HTRM800/AED,122 - NXP Semiconductors

DATA SH EET

Product speciﬁcation

Supersedes data of 1999 Jan 01

File under Integrated Circuits, IC11

2001 Oct 04

INTEGRATED CIRCUITS

HTRM800 family

HITAG long range reader module

hardware

2001 Oct 04 2

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

CONTENTS

1 FEATURES

2 APPLICATIONS

3 GENERAL DESCRIPTION

4 ORDERING INFORMATION

5 BLOCK DIAGRAM

6 PINNING

6.1 ST1 connector

6.2 ST2 connector

7 FUNCTIONAL DESCRIPTION

7.1 System overview

7.1.1 Transponders

7.1.2 Antenna

7.1.3 Host system

7.1.4 I/O functions

7.1.5 Power supply

7.2 Reader module software

7.3 Reader module hardware

7.3.1 Microcontroller

7.3.2 Interface microcontroller to host

7.3.3 Transmitting part

7.3.4 Receiving part

7.3.5 Digital signal processing unit

7.3.6 Periodic disturbers

7.3.7 Voltage regulating unit

7.3.8 Standby mode

7.3.9 Behaviour with HITAG 1 transponders

7.3.10 Behaviour with HITAG 2 transponders

7.4 Postal approval

7.5 Operating security

7.5.1 Anticollision mode

7.5.2 Monitoring the supply voltage

7.5.3 Antenna rupture and antenna short-circuit

7.6 Security considerations

7.6.1 Data privacy

8 ELECTRICAL SPECIFICATIONS

9 MECHANICAL SPECIFICATIONS

10 APPLICATION INFORMATION

10.1 Metallic environment and interferences

10.2 Distance between two antennas

10.3 External power supply

10.4 Possible sources of errors by connecting the

HTRM800

10.5 Building HITAG long range antennas

10.5.1 Basics

10.5.2 Recommended antenna cable and length

10.5.3 Tuning of the antenna current

10.5.4 Tuning of the antenna phase

10.5.5 HITAG antenna tuning device

10.5.6 Antenna malfunction indication

10.5.7 Additional remarks

10.6 Antenna arrangements

11 SURVEY OF REFERENCED DOCUMENTS

12 DATA SHEET STATUS

13 DEFINITIONS

14 DISCLAIMERS

2001 Oct 04 3

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

1 FEATURES

•Multi-tag operation (anticollision)

•Read and write distances up to 1000 mm

•Digital signal processor to reduce noise sensitivity

•Communication with all HITAG transponders and

various other 125 kHz transponders

•Data encryption and key handling

•Easy system integration

•Three interface options

•Meets all requirements for CE and EMI approval.

2 APPLICATIONS

•Universal and flexible reader module for long range

systems.

3 GENERAL DESCRIPTION

HITAG(1) is the name of one of the universal and powerful

product lines of our 125 kHz family. The contactless read

and write system that works with passive transponders is

suitable for various applications.

Inductive coupling helps you to achieve operating ranges

up to 1000 mm and the use of cryptography guarantees

highest data security.

Anticollision mode, which is used only in long range

operation, allows you to handle several transponders that

are within the communication field of the antenna at the

same time, thus achieving highest operating security and

permitting to handle several data transfers quickly and

simultaneously. In this context anticollision becomes an

essential element of applications such as ski-ticketing and

long range access control. With applications of that type it

will always happen that several transponders arrive in the

communication field of the antenna at the same time.

(1) HITAG - is a trademark of Philips Semiconductors

Gratkorn GmbH.

4 ORDERING INFORMATION

PART NUMBER NAME ORDER CODE (12NC)

HTRM800/AED HITAG long range reader module RS232 9352 338 40122

HTRM800/CED HITAG long range reader module RS485 9352 338 50122

HTRM800/EED HITAG long range reader module CMOS 9352 338 60122

2001 Oct 04 4

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

5 BLOCK DIAGRAM

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AMPLIFIER

HTRM800

VOLTAGE

LIMITER ANT

GND

antenna

MGU417

CMIN

CMOUT

FILTER

DEMODULATOR

DIGITAL

SIGNAL

PROCESSOR

125 kHz

LINE DRIVER

RS232

CMOSIN

CMOSOUT

INT1

INT2

RXD

TXD

+15 V IN

GND

−15 V IN

CMOS

OPTIONAL

RS485

OPTIONAL MICRO-

CONTROLLER

CORE MODULE

HTCM400

VOLTAGE

REGULATOR

Fig.1 Block diagram.

6 PINNING

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MGU418

ST2

ANT

GND

ST1

R72 HTRM800

Fig.2 Pin assignment.

2001 Oct 04 5

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

6.1 ST1 connector

Note

1. P = power supply, O = output and I = input.

6.2 ST2 connector

SYMBOL PIN TYPE(1) DESCRIPTION

−15VIN 1 P DC supply voltage (−15 V)

GND 2 P ground

+15VIN 3 P DC supply voltage (+15 V)

GND 4 P ground

RXD 5 I serial interface input; RS232 level

GND 6 P ground

CMOSIN 7 I serial interface input; CMOS level (optional)

INT1 8 I/O serial interface input and output 1; RS485 level (optional)

CMIN 9 I core module input; general purpose

CMOUT 10 O core module output; general purpose

GND 11 P ground

GND 12 P ground

INT2 13 I/O serial interface input and output 2; RS485 level (optional)

CMOSOUT 14 O serial interface output; CMOS level (optional)

GND 15 P ground

TXD 16 O serial interface output; RS232 level

GND 17 P ground

+15VIN 18 P DC supply voltage (+15 V)

GND 19 P ground

−15VIN 20 P DC supply voltage (−15 V)

SYMBOL PIN DESCRIPTION

GND 1 ground

ANT 2 antenna output and input

2001 Oct 04 6

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

7 FUNCTIONAL DESCRIPTION

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HTRM800

I/O FUNCTIONS

MGU419

HOST

SYSTEM

antenna

HITAG 1

transponders

HITAG 2

transponder

POWER

SUPPLY

Fig.3 System overview.

7.1 System overview

The HITAG long range reader module (see Fig.3) is a part

of a complete Radio Frequency Identification (RFID)

system which consists of:

•Transponders

•Antenna

•Host system

•I/O functions

•Power supply.

7.1.1 TRANSPONDERS

TheHTRM800cancommunicatewithtranspondersbased

on Philips HITAG 1 and HITAG 2.

7.1.2 ANTENNA

The antenna is an important part of the HITAG long range

system. The antenna must provide energy and data

transmission between the reader module and transponder.

7.1.3 HOST SYSTEM

The connection to the host system (e.g. microcontroller

or PC) is a serial interface on RS232 level for data

transmission.

7.1.4 I/O FUNCTIONS

One line of the HTRM800 is wired as input from e.g. a

switch and one line as output to drive a LED.

7.1.5 POWER SUPPLY

The HTRM800 must be supplied from an external power

supply with +15 V and −15 V (see Section 10.3).

7.2 Reader module software

Software command names mentioned in this data sheet

are fully described in document

“HTCM400, HTRM440

Family, HTRM800 Family Interface Protocol Reader -

Host”

7.3 Reader module hardware

7.3.1 MICROCONTROLLER

The microcontroller is placed on the HITAG core module

(see Fig.1) and processes the protocol for the

communication between the transponders and the reader

module. The interface signals are converted so that the

transponders are able to process them and the outgoing

signals from the transponders are converted into

interface-compatible signals.

The second essential microcontroller function is its control

function.Themicrocontroller activatesanddeactivates the

transmitter and switches the receiver between the modes

for the different transponders reception.

Additional functions of the microcontroller are controlling

the standby mode of the amplifier, detection of detuned or

broken antennas (antenna malfunction) and controlling of

the input and output for general purpose.

2001 Oct 04 7

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

7.3.2 INTERFACE MICROCONTROLLER TO HOST

Thedevicecommunicates withthe hostsystem via aserial

interface using a baud rate of 9600 baud. Data transfer

details are: 1 start bit, 8 data bits, 1 stop bit, no parity bit

and the least significant bit is sent first.

Version HTRM800/AED has an integrated RS232 level

driver. Version HTRM800/CED is wired with an RS485

level driver and version HTRM800/EED is wired with a

CMOS level driver.

7.3.3 TRANSMITTING PART

For transmitting power and data to the transponder a

125 kHz sine signal is switched by the microcontroller and

amplified. The amplifier is designed as a current source.

A voltage limiter is used to clamp the output voltage of the

amplifierduring the decay and transientphases of the sine

signal.

7.3.4 RECEIVING PART

After filtering and demodulation of the amplitude

modulated signal received from the transponder, the

receiveddatais convertedand passedtothe DigitalSignal

Processing (DSP) unit for further processing.

7.3.5 DIGITAL SIGNAL PROCESSING UNIT

The receiving part of the reader module includes

bandpass filters which attenuate disturbances (3 dB

attenuation at 105 and 145 kHz). For disturber

frequencies near the 125 kHz (e.g. harmonics of the line

frequency of PC monitors, long wave transmitters) a

fourier transformation is used to recognize harmonic

disturbersand toeliminate their influence.The DSPis also

responsible for separating the responses of different

transponders during anticollison cycles (multiple

transponder operation).

7.3.6 PERIODIC DISTURBERS

Thereareacoupleof possiblesourcesfordisturbancesfor

a 125 kHz system like HITAG. The HTRM800 is designed

to handle this problem and achieve optimal performance

under worst conditions.

Long wave transmitters, other 125 kHz systems and

PC monitors are examples for periodic disturbers which

can be relevant for 125 kHz systems. To eliminate these

disturbers the digital signal processing unit is used.

After the command StartFFT is sent to the reader module

a Fast Fourier Transformation (FFT) is started to locate

periodic disturbers. After about 110 ms this calculation is

finished and for the following communication between

reader module and transponder the located disturbers are

eliminated. The command StartFFT should be executed

as often as the application allows.

Remarks:

1. The DSP is able to suppress up to two harmonic

electromagnetic disturbances

2. During FFT is running (about 110 ms) communication

with a transponder is not possible.

7.3.7 VOLTAGE REGULATING UNIT

The reader module contains some filtering circuits which

supply all parts of the reader module with the required

voltages. Nevertheless some requirements are to be

fulfilled by the external power supply. This means the

maximum ripple of the supply voltages must not exceed

the values specified in Chapter 8.

7.3.8 STANDBY MODE

The HTRM800 offers a software controlled standby mode.

This mode can be activated and deactivated by the host

system.Duringthestandbymodetheamplifieristurnedoff

and the power consumption decreases drastically.

7.3.9 BEHAVIOUR WITH HITAG 1 TRANSPONDERS

If several HITAG 1 transponders arrive simultaneously

within the communication field of the antenna of a

HTRM800, all the transponders (theoretically up to 232)

within the communication field of the antenna can be read

and written simultaneously. Because of the mutual

influence of the transponder coils - they detune each other

if there are too many too close to each other - the number

ofthetransponders that canbeoperated simultaneouslyis

limited.

7.3.10 BEHAVIOUR WITH HITAG 2 TRANSPONDERS

If several HITAG 2 transponders arrive simultaneously

within the communication field of the antenna of a

HTRM800, the ‘stronger’ transponder (the nearer one)

takes over or - under special circumstances - no

communication takes place. If the transponders arrive in

the field one after the other, communication is established

with the first one, all the other transponders are ignored.

This ensures that no two (or several) HITAG 2

transponders will ever be processed (above all written to!)

accidentally at the same time. By muting a selected

HITAG 2 transponder (HALT mode) another HITAG 2

transponder that is to be found in the communication field

of the antenna can be recognized.

2001 Oct 04 8

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

7.4 Postal approval

The postal approval can only be granted for final products,

not just for components like the HTRM800. But this reader

module is designed in a way that it is possible to get the

postal approval for a system including the HTRM800.

Electromagnetic emissions comply with the guidelines in

FTZ 17 TR 2100, ETS 300 330 and ETS 300 683.

Electromagnetic immunity complies with the guidelines in

ETS 300 683.

The following configuration is in compliance with the

European telecommunication standards:

•Reader module HTRM800

•Power supply according to the recommendations

(transformer type)

•Antenna: 50 ×70 cm, number of turns N = 26 and

inductivity L = 1.2 mH.

A survey of the passed measurements is given in Table 1.

Table 1 Survey of measurements

ITEM MEASUREMENT STANDARD REQUIREMENTS

EMI electromagnetic emission ETS 300 330, Sep 1994 FTZ 17 TR 2100

RFI emission limit class EN 55022, 1987

Immunity RF electromagnetic ﬁeld ENV 50140 80 to 1000 MHz: 3 V/m, AM 80%, 1 kHz

electrostatic discharge IEC 801-2, 1991 contact discharge: 4 kV; air discharge: 8 kV

electrical fast transient

(burst) IEC 801-4, 1988 signal ports: 0.5 kV; DC power ports: 1 kV;

AC power ports 2 kV

RF common mode ENV 50141 current clamp injection 150 kHz to 80 MHz:

3 V (rms), AM 80%, 1 kHz

voltage dips and

interruptions IEC 1000-4-11 reduction of 30% of UN for 10 ms, of 60% of

UN for 100 ms, voltage interruption for 5 s

surges, common and

differential mode IEC 1000-4-5 AC power input ports: 1 kV

(lines-to-ground), 0.5 V (line-to-line)

7.5 Operating security

The following mechanisms ensure the operation security

of the HITAG system:

•Anticollission mode

•Monitoring the supply voltage

•Antenna rupture and short circuit.

7.5.1 ANTICOLLISION MODE

Anticollision mode in long range applications permits you

to process several HITAG 1 transponders simultaneously.

Theoretically up to 232 HITAG 1 transponders can be

processed simultaneously. In practice this number is

limited, because of the mutual influence of the

transponders. They detune each other, if there are too

many too close to each other. In long range applications

using HITAG 2 transponders, only one transponder is

handled even if there are several transponders within the

communication field of the antenna. In this case either no

communication takes place or the ‘stronger’ or closer

transponder takes over.

By muting a selected transponder (HALT mode) another

transponder that is to be found in the communication field

of the antenna can be recognized.

7.5.2 MONITORING THE SUPPLY VOLTAGE

The supply voltage is controlled by a watch dog circuit

which triggers a system reset if the supply voltage of the

core module drops below 4.75 V or if the microcontroller

fails.

7.5.3 ANTENNA RUPTURE AND ANTENNA SHORT-CIRCUIT

TheHTRM800doesnotgetpermanentlydamagedincase

of an antenna rupture or a brief antenna short-circuit. The

detection of detuned or broken antennas (antenna

malfunction) is possible.

2001 Oct 04 9

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

7.6 Security considerations

Developing the HITAG system special consideration was

given to aspects of security. The following items represent

the fundamental framework of the security concept:

•Cryptography

•Mutual authentication

•Password verification

•Cyclic Redundancy Check (CRC).

7.6.1 DATA PRIVACY

The use of cryptography (stream cypher), mutual

authentication, and password verification prevents

monitoring and copying the data channel. Therefore, the

area of the transponder that only can be accessed

enciphered is called ‘secret area’.

To make use of cryptography for HITAG 1 transponders

you need:

•Keys to be used for initializing of the crypto block

•Logdata to be used for mutual authentication.

To make use of cryptography for HITAG 2 transponders

you need:

•A key which is used to initialize the crypto block using

HITAG 2 in crypto mode

•Passwords which are used for authentication for

HITAG 2 in password mode.

The transponders and the HTRM800 are provided with

identical transport keys and transport logdata so that you

can start operating them right away (see Table 2).

In order to offer our OEM clients high flexibility, the

configuration of the transponder memory, password, keys

and logdata can be changed. We strictly recommend to

rigorously restrict these possibilities for the end customers

(by setting the configuration page to read only, setting

password, keys and logdata to neither read nor write).

Table 2 Transport values predeﬁned by Philips.

SYSTEM PARAMETER VALUE

HITAG 1 keyinit password 0x00000000

keys 0x00000000

logdata 0x00000000

HITAG 2 keyinit password 0x00000000

key 0x4D494B524F4E

password TAG 0xAA4854

password RWD 0x4D494B52

2001 Oct 04 10

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

8 ELECTRICAL SPECIFICATIONS

Notes

1. Modulation type is Amplitude Shift Keying (ASK). A modulation ratio of 100% means the carrier is blanked

completely, the information is located in the intervals between the pauses.

2. Modulation type is Amplitude Shift Keying (ASK). The modulation ratio depends on the distance between

transponder and reader module.

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Power supply

VP1 positive supply voltage −15 −V

IP1 positive supply current operating mode −400 550 mA

standby mode −200 −mA

VP2 negative supply voltage −−15 −V

IP2 negative supply current operating mode −−300 −400 mA

standby mode −−100 −mA

Vripple(rms) maximum amplitude of ripple on

supply voltage (RMS value) fripple < 0.5 kHz −48 −mV

fripple = 0.5 to 20 kHz −7−mV

fripple = 20 to 120 kHz −36 −mV

fripple = 120 to 130 kHz −12 −mV

fripple > 130 kHz −48 −mV

Modulation

mTX modulation ratio of reader module

to transponder note 1 −100 −%

mRX modulation ratio of transponder to

reader module note 2 −−−%

Interface to host

fttransmission speed −9600 −baud

Temperature

Toper operating temperature −25 −+70 °C

Tstg storage temperature −40 −+85 °C

2001 Oct 04 11

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

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9 MECHANICAL SPECIFICATIONS

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160

152.86

130.4

MGU420

10092.7 88.90

5.56

3.50

3.58

AA - A

Fig.4 HTRM800 long range reader module.

Dimensions in mm.

2001 Oct 04 12

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

10 APPLICATION INFORMATION

10.1 Metallic environment and interferences

The communication range is impaired by metallic

environment and electromagnetic interferences

(e.g. monitors and keyboards). Therefore, you should

keep a distance of at least one time the antenna diameter

to metallic surfaces or loops as well as to electromagnetic

interferences. If this is not possible, you have to take

preventivemeasures such as usingferrites or shielding for

transponder and antenna.

The HTRM800 is able to suppress up to two harmonic

electromagnetic disturbances.

10.2 Distance between two antennas

In order to be able to operate two systems side by side

without negative influence on communication ranges, you

must place the antennas at a minimum distance. To keep

this distance low, magnetic shielding must be realized.

This topic is handled in detail in application note

“Antenna

Design for the HITAG Long Range System”

10.3 External power supply

Instead of a transformer type supply unit (see Fig.5),

a switching frequency power supply unit can be used

alternatively. The switching frequency must be in the

range from 165 to 210 kHz (overtemperature, load and

production).

handbook, full pagewidth

STANDARD

NET

FILTER

F1 F2

1N4001

800 mA

(18 V)

800 mA

(18 V)

OPTIONAL

VOLTAGE

SELECTOR

MGU423

Fig.5 Transformer type power supply.

handbook, full pagewidth

7815

2200 µF

(40 V) 10 µF

(40 V)

10 µF

(40 V)

10 µF

(18 V)

10 µF

(18 V)

2200 µF

(40 V)

100

nF 1 kΩ

1 kΩ

100

IN4001

+15 V

−15 V

GNDC

MGU424

B7915

72 µH 3A

F1 = depends on the type of transformer.

F2 = 800 mA delayed.

F3 = 800 mA delayed.

D1 = D2 = D3 = D4 = 4 x 1N4001.

2001 Oct 04 13

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

10.4 Possible sources of errors by connecting the

HTRM800

The following error list should be checked if any error

(e.g. readorwrite distancesthat donotreach thespecified

values) occurs:

•Power supply cable not mounted correctly

•Power supply voltage not in the specified range

•Serial interface not connected correctly

•Interference received by the antenna because of an

external noise source (e.g. monitor, keyboards); the

remedial measure is to remove the antenna from the

interfering area and use the command StartFFT

•Connecting cables of the antenna changed by mistake

•Antenna is mounted in metal environment; the remedial

measureisto mount anon-metalspace keeperbetween

the antenna and the metal

•Antenna is not designed following the antenna design

instructions

•Inductance of the antenna is not in the specified range

•Quality factor of the antenna is not in the specified

range.

10.5 Building HITAG long range antennas

10.5.1 BASICS

The exact way how to design a HITAG long range antenna

is described in application note

“Antenna Design for the

HITAG Long Range System”

The antenna is an important part of the HITAG long range

system. The antenna must provide energy and data

transmissionbetweenthereadermoduleandtransponder.

Therefore, you should be particularly careful when

implementing the antenna in order to achieve optimum

results.

The equivalent circuit of the antenna is shown in Fig.6.

The requirements of the antenna coil are:

•Quality factor: Q = 30 to 60

where

Xs= effective series reactance

Rs= effective series resistance

•Inductance: L = 400 to 1200 µH.

QXs

------

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VOLTAGE

LIMITER

coax cable

MGU421

antenna

HTRM800

Fig.6 Basics of the long range antenna.

2001 Oct 04 14

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

10.5.2 RECOMMENDED ANTENNA CABLE AND LENGTH

The length of the antenna cable should be limited with five

meters. In case of longer cables a type with low

capacitance and resistance must be used. For standard

applications a 50 Ω coaxial cable is recommended and a

75 or 95 Ω coaxial cable for special applications.

10.5.3 TUNING OF THE ANTENNA CURRENT

Potentiometer R72 (see Fig.2) is used to tune the current

driven through the antenna. The default setting is 200 mA.

It is not customary to change this value. However, if you

want to change the current for a special application, it

should be noted that Vo(peak) <10V.

10.5.4 TUNING OF THE ANTENNA PHASE

The signal from a transponder is delayed by the decay

time of the antenna. To achieve optimal performance this

signal and the digital signal processing unit of the reader

modulemustbesynchronous.Thus itisnecessarytostore

a phase information called Bit Clock Delay (BCD), which is

a function of the quality factor and the inductance

(reactance) of the antenna.

The default setting is 7 which is suitable in most of the

cases. Apart from that, the user is able to change the BCD

value. The reader module includes a non volatile memory

(EEPROM) to store the bit clock delay. To load the BCD

value to the reader module the command SetBCD is used.

10.5.5 HITAG ANTENNA TUNING DEVICE

Especially for the HITAG product line the HITAG antenna

tuning device HTOT840 was designed. This tuning device

can be used for tuning long range and proximity antennas.

10.5.6 ANTENNA MALFUNCTION INDICATION

If the antenna is broken or badly detuned, the antenna

overload bit is set. This bit can be read by the host system

via the serial interface by using the command

ReadLRStatus.

10.5.7 ADDITIONAL REMARKS

The following list is a summary about HITAG long range

antennas:

•Philips lays high emphasis on the research of antenna

development

•The choice of various antenna shapes (the electrical

parameters) is characteristic to 125 kHz systems

•The knowledge is transferred to Philips customers, in

ordertoenable them to design and build antennas which

fit best for the particular applications (antenna training)

•Solutions can be found for almost every environmental

scene (metal, periodic disturbers, special antenna

shapes, etc.).

10.6 Antenna arrangements

Various arrangements are suitable for different

applications (see Fig.6):

•The single loop antenna is used for standard

arrangements

•The gate antenna is used for typical access control

applications such as access control during passing

through the gate

•The double gate antenna is similar to the gate using two

rows

•The antenna multiplex system is a cost efficient

application, because one reader module drives many

antennas and the number of multiplexed antennas is

only limited by timing restrictions.

By changing the arrangement of the antenna, the total

system performance and reliability can be significantly

improved. As an example: building gate antennas with

opposite magnetic orientation leads to a very reliable

system.

2001 Oct 04 15

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

handbook, full pagewidth

HTRM800

antenna multiplex

MGU422

gate antenna

double gate multiplex

single loop antenna

HTRM800HTRM800

Fig.6 Possible arrangements of antennas.

11 SURVEY OF REFERENCED DOCUMENTS

CATEGORY TITLE

Data sheet

“HTCM400, HTRM440 Family, HTRM800 Family HITAG Interface Protocol Reader - Host”

Application note

“Antenna Design for the HITAG Long Range System”

2001 Oct 04 16

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

12 DATA SHEET STATUS

Notes

1. Please consult the most recently issued data sheet before initiating or completing a design.

2. The product status of the device(s) described in this data sheet may have changed since this data sheet was

published. The latest information is available on the Interned at URL tap://www.semiconductors.philips.com.

DATA SHEET STATUS(1) PRODUCT

STATUS(2) DEFINITIONS

Objective data Development This data sheet contains data from the objective specification for product

development. Philips Semiconductors reserves the right to change the

speciﬁcation in any manner without notice.

Preliminary data Qualiﬁcation This data sheet contains data from the preliminary specification.

Supplementary data will be published at a later date. Philips

Semiconductors reserves the right to change the speciﬁcation without

notice, in order to improve the design and supply the best possible

product.

Product data Production This data sheet contains data from the product specification. Philips

Semiconductors reserves the right to make changes at any time in order

to improve the design, manufacturing and supply. Changes will be

communicated according to the Customer Product/Process Change

Notiﬁcation (CPCN) procedure SNW-SQ-650A.

13 DEFINITIONS

Short-form specification  The data in a short-form

specification is extracted from a full data sheet with the

same type number and title. For detailed information see

the relevant data sheet or data handbook.

Limiting values definition Limiting values given are in

accordance with the Absolute Maximum Rating System

(IEC 60134). Stress above one or more of the limiting

values may cause permanent damage to the device.

These are stress ratings only and operation of the device

attheseor atanyother conditionsabove those givenin the

Characteristics sections of the specification is not implied.

Exposure to limiting values for extended periods may

affect device reliability.

Application information  Applications that are

described herein for any of these products are for

illustrative purposes only. Philips Semiconductors make

norepresentationorwarrantythatsuchapplicationswillbe

suitable for the specified use without further testing or

modification.

14 DISCLAIMERS

Life support applications  These products are not

designed for use in life support appliances, devices, or

systems where malfunction of these products can

reasonably be expected to result in personal injury. Philips

Semiconductorscustomersusingorsellingtheseproducts

for use in such applications do so at their own risk and

agree to fully indemnify Philips Semiconductors for any

damages resulting from such application.

Right to make changes  Philips Semiconductors

reserves the right to make changes, without notice, in the

products, including circuits, standard cells, and/or

software, described or contained herein in order to

improve design and/or performance. Philips

Semiconductors assumes no responsibility or liability for

theuseofanyof theseproducts,conveysno licence ortitle

under any patent, copyright, or mask work right to these

products,and makes norepresentations orwarranties that

these products are free from patent, copyright, or mask

work right infringement, unless otherwise specified.

2001 Oct 04 17

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

NOTES

2001 Oct 04 18

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

NOTES

2001 Oct 04 19

Philips Semiconductors Product speciﬁcation

HITAG long range reader module

hardware HTRM800 family

NOTES

All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.

The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed

without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license

under patent- or other industrial or intellectual property rights.

Philips Semiconductors – a worldwide compan y

Contact information

For additional information please visit http://www.semiconductors.philips.com. Fax: +31 40 27 24825

For sales ofﬁces addresses send e-mail to: sales.addresses@www.semiconductors.philips.com.

Printed in The Netherlands 613502/02/pp20 Date of release: 2001 Oct 04 Document order number: 9397 750 08331