1 of 20 052400
DESCRIPTION
The DS1615K and DS1616K are designed to demonstrate, exercise, and control the features of the
DS1615 Temperature Recorder or DS1616 Temperature and 3-Input Data Recorder. In addition, these
kits can also be used to program the registers, memory, date, alarm, and trip points of both devices. As
shown in Figures 1 and 2, the evaluation board includes a DS1615 or DS1616 integrated circuit, support
components, and connectors. The kit also comes with an RS-232 cable, and two disks containing the
documentation and software to operate the kit and design with the DS1615. The DS1615K may be used
in a Windows95 or Windows98 environment. The kit source code in C++ is available upon request from
the factory.
Figure 1. DS1615 Evaluation Board Figure 2. DS1616 Evaluation Board
HOST SYSTEM MINIMUM REQUIREMENTS
• Pentium or equivalent
• Microsoft Windows95 or Windows98 operating system
• 3.5” disk drive
• Serial port for interfacing over serial port cable with the evaluation board
DS1615K/DS1616K
Temperature/Data Reco rde
r
Evaluation Kit
www.dalsemi.com
BAT S1
DS1615
JP2
JP1
U2
U1
BAT
S1
DS1616
JP3
JP1
U2
U1
JP2
DS1615K / DS1616K
2 of 20
INSTALLATION
To install the software included with this evaluation kit, put Disk 1 into the A (or B) disk drive:
1. Click on the “Start” button or press the windows “Start” key on the keyboard.
2. From the “Start” command box choose “Run…”.
3. From the “Run…” command box type A:Setup (or B:Setup) and choose “OK.” This will start the
“Setup Wizard”.
4. Press the “Next” button to continue the installation.
5. The “Setup Wizard” will pick the default directory to locate this program as a sub-directory of the
“Programs” directory. To use the default click the “Next” button or select a different directory and
click the “Next” button.
6. You will then have a chance to review all of the information that you have selected. Click the “Next”
button to begin loading files from the disk drive.
7. When requested to do so, replace Disk 1 with Disk 2 and click “OK”. This will complete the software
installation and will create an icon on your desktop.
8. A screen may appear telling you that one or more .dll files have not self registered. This is not a
problem. Your system already contained the required files so the copy we provided was not used. The
program will operate correctly with the files already installed on your system. There do seem to be
potential problems running the software on systems that have WindowsNT installed as the primary or
secondary operating system.
NOTE:
All of the available documentation for the DS1615, and DS1616, the evaluation kits and application note
116 are available on the Dallas Semiconductor web sight at:
http:/www.dalsemi.com/DocControl/index.html. The source code is available on Disk 2. All of the latest
executable and source code for both kits is available on our ftp sight at:
ftp.dalsemi.com/pub/thermal/1615k.
COMMUNI CATION WITH PC
In order for the evaluation kit to communicate with your PC, you must connect the evaluation kit board
to a free serial port with the included serial port cable. The cable has a standard 9-pin DB9 connector.
If your system is equipped with a 25-pin connector, you can purchase a 25-pin to 9-pin adapter at most
computer stores.
When the software is run for the first time, a dialog box will request the user to specify which serial port
is connected to the evaluation board.
Many laptop PCs do not have the required 5 volt minimum output from the RS-232 port to power the
evaluation board and therefore will not communicate with the evaluation kits. With less than 5 volts to
power the board, the regulated Vcc level never exceeds the 4 volt threshold for communications. One
way around this problem is to disconnect the Vdrive_in circuit from pin 4 of the RS-232 connector
which will isolate the Vdrive_In circuit from the RS-232 port of the PC. This signal will normally be
used to power the evaluation board. If the Vdrive_In circuit is then connect ed to the positive terminal of
a 9-volt battery or other power supply of greater than 5-volt, the device will work without a problem, as
long as the power source is connected prior to initiating any RS-232 communications. If the PC tries to
communicate with the board while the power source in not connected or less than 5 volts, the RS-232
driver on the board may latch-up. The power source is only required for communication with the board.
All other board functions can be supplied by the 3.6 volt battery on the board itself.
DS1615K / DS1616K
3 of 20
EVALUATION BOARD CONFIGURATION
Configuring the DS1615 or DS1616 evaluation board is simply a matter of choosing which
communication method is desired – synchronous or asynchronous. The asynchronous option is
internally selected automatically with a pulldown resistor inside the chip itself. The software included
with this kit was developed to communicate with the evaluation board over an asynchronous, RS-232
serial port. To select asynchronous communication, pins 2 and 3 on jumper JP1 should be shorted
together. To select synchronous communication, short pins 1 and 2 together. When synchronous
communication is selected, interfacing with the device is facilitated by the SCLK, I/O, and RST# pins
which are available on jumper JP2. The board will require 5-volt power when using the synchronous
communications just like when using the RS-232, but there is no ability to steal the power from the
incoming signal lines as was done with the RS-232. For this reason, 5 volt must be applied to the board
either through pin 4 of the RS-232 connector set to 5 volt or greater, or pin 1 of the 5 volt regulator.
Future revisions of the board will have a Vin pin on the J2 header with the 3-wire signal lines. Consult
the datasheet for the functionality of these pins.
Table 1: J1 Pin Descriptions
Pin Signal
1 Asynchronous
2 ComSel pin
3 Synchronous
Table 2: J2 Pin Descriptions
Pin Signal
1 SCLK – serial clock
2 I/O – input/output
3 RST# - communication reset
4 INT# - Interrupt output
ME NU DRIVEN INTERFACE
The evaluation kits includes user-friendly software that provides a simple mechanism for
communicating with the DS1615 or DS1616 integrated circuit. This communication is facilitated by a
series of menus which are described below.
MAIN MENU
The main menu provides a quick visual display of the data collected by the DS1615 or DS1616 as well
as a simple interface for starting and stopping the collection of data. The Icons on the main menu also
provide a method to jump to other menus.
Before starting a mission, the memory must be cleared by clicking “Clear Memory” radio button. The
Real Time Clock/Calendar and Alarm, Temperature Trip Points, Analog to Digital Converter trip points
(DS1616 only), and User memory must be programmed, if desired. Last, but most important, the "Main
Menu” options must be selected. On the “Main Menu” screen, the “Sample Rate” and “Start Delay”
must be programmed. If rolling over the data when the Data Log memory becomes filled is desired, the
“Enable Rollover” radio button must be selected. For the DS1616, the “Channels” must also be selected
at this point. The channels will be discussed below.
DS1615K / DS1616K
4 of 20
The main menu provides the method of programming the sample rate and start delay. The sample rate is
programmed by writing a value from 1 to 255 in the Data Sample Rate text box. This represents the
number of minutes between samples and must be a non-zero number in order to start the mission. The
value written to the Start Delay text box determines the number of minutes of delay before the first data
sample is taken after the datalog mission has been initiated.
The method of starting a datalog mission is determined by clicking “Pushbutton” or “Serial Command”
radio button. If the “Serial Command” option is selected, the mission will commence when the “Begin
Mission” button is clicked from the main menu screen. If the “Pushbutton” option is selected, the “Set”
radio button must be clicked in order to send the programmed data to the device. The mission will then
begin when the pushbutton on the evaluation board is depressed. Note that the pushbutton has a one-
half second debounce feature that requires the user to depress the button for one-half second before the
mission starts. Clicking the “End Mission” button on the main menu screen stops the mission, but does
not clear the data. Once the mission has started, trying to change or write any information to the part
will also end the mission, therefore, anything that is to be programmed, must be programmed before
initiating the start mission sequence.
The DS1616 has some additional buttons and features that the DS1615 does not have that are used with
the 3-inpout Analog to Digital Converter (ADC). The parts of the main screen described above apply to
both the DS1615 and DS1616.
DS1615K / DS1616K
5 of 20
Figure 3: DS1615K M AIN MENU SCREEN
View
Temperature
Histogram
View
Temperature
Datalog
View Clock
and Calendar
Menu
View User
Memory
Menu
View Main
Menu View Current
Temperature
& Trip Points
DS1615K / DS1616K
6 of 20
Figure 4: DS1616K M AIN MENU SCREEN
The DS1616K requires that the “Channels” to be data logged be selected in order to access and set the
parameters for those channels and later t o view the data collected. This is accomplished by clicking the
radio buttons for the appropriate channel, “Temp” for the temperature sensor, “ADC1” for the Analog to
Digital Converter channel 1, “ADC2” for the Analog to Digital Converter channel 2, and “ADC3” for
the Analog to Digital Converter channel 3. This must be complete prior to starting a mission.
View
Temperature
Datalog Menu View Datalog
Menu for
ADC #2
View Datalog
Menu for
ADC #3
View Current
ADC Data &
Trip Points
View
Temperature
Histogram
View
Histogram for
ADC #1
View Datalog
Menu for
ADC #1
DS1615K / DS1616K
7 of 20
CLOCK AND CALENDAR ME NU
The Clock and Calendar Menu provides a simple interface for entering the current time and date. The
user can set the time, date, and alarm by simply pressing the Set button next to the appropriate display.
When setting the time, date, and alarm, input all information as numeric values. The year should be
input as a two digit number. The day of the week should be a value between 1 (Sunday) and 7
(Saturday). The clock and calendar data must be entered before starting a datalog mission.
An alarm indicator is also included on the menu. This indicator illuminates whenever a time/date alarm
has been generated that will trigger the alarm to be active.
Figure 5: DS1615K CLOCK AND CALENDAR MENU
DS1615K / DS1616K
8 of 20
Figure 6: DS1616K CLOCK AND CALENDAR MENU
DS1615K / DS1616K
9 of 20
CURRENT TEMPERATURE / THRESHOLD SET MENU
The Current Temperature / Threshold Set Menu allows the user to view the most recently sampled
temperature in both Fahrenheit and Celsius and set the temperature alarm thresholds. To set the alarm
thresholds, the user simply writes a Celsius value (between –40°C and +85°C in 0.5°C increments) into
both the Temperature High and Temperature Low Threshold registers. This needs to be done prior to
starting a datalogging mission. If one or more temperature samples are outside of the threshold window
set by these registers, the “Temperature Low Flag” or “Temperature High Flag” indicator will be
illuminated. Also note that the status of the temperature samples can be obtained by holding the
pushbutton on the evaluation board down for one-half second. If the temperature is out of spec, the red
LED will flash four times. If the temperature is in spec, the green LED will flash four times.
Figure 7: DS1615K CURRENT TEM PERATURE / THRESHOLD MENU
DS1615K / DS1616K
10 of 20
Figure 8: DS1616K CURRENT TEM PERATURE / THRESHOLD MENU
DS1615K / DS1616K
11 of 20
CURRENT ANALOG to DIGITAL CONVERTER VALUE / THRESHOLD SET
MENU (DS1616 only)
The Current ADC Value/Threshold Menu allows the user to see the most recent values that the ADC
channels have obtained. The current voltage thresholds are displayed and can be edited by clicking the
Edit button and turning the knobs to the desired threshold level. The High and Low Alarm Flags can
also be observed for violations and cleared with the CLR button.
Figure 9: DS1616K CURRENT ADC VALUES/THRESHOLDS/FLAGS MENU
Figure 10: DS1616K ADC THRESHOLD SET MENU
DS1615K / DS1616K
12 of 20
USER MEMORY MENU
The User Memory Menu allows the user to program the nonvolatile user memory or view the RTC
memory. The contents of user memory can be cleared to all zeroes by clicking the “Clear” button. Data
can be input as a series of hexadecimal or string values by clicking the appropriate pattern button.
The memory data is displayed in three columns of numbers/characters. The first column provides the
starting address for eight consecutive bytes of data. The second column displays the hexadecimal values
for the eight successive bytes of memory starting at the address indicated in the first column. The third
column shows the ASCII equivalent of the data.
Figure 11: DS1615K USER M EMORY PROGRAMMING MENU
DS1615K / DS1616K
13 of 20
Figure 12: DS1616K USER M EMORY PROGRAMMING MENU
DS1615K / DS1616K
14 of 20
DATALOG DISPLAY M E NU
The Datalog Display Menu illustrates the collected temperature or voltage data. The resolution of the
elapsed time scale (x-axis) and the temperature scale (y-axis) are automatically adjusted. The data can
be stored to a file, retrieved from a file, enlarged or condensed and scrolled through for easier viewing.
Figure 13: DS1615K TEM PERATURE DATALOG DISPLAY MENU
DS1615K / DS1616K
15 of 20
Figure 14: DS1616K TEM PERATURE DATALOG DISPLAY MENU
Figure 15: DS1616K ADC VOLTAGE DATALOG DISPLAY MENU
DS1615K / DS1616K
16 of 20
HISTOGRAM DI SPLAY MENU
The Histogram Display Menu illustrates the collected temperature and voltage data in a histogram
format. The x-axis displays the various temperatures values that were sampled and the y-axis displays
the number of times each specific temperature value was sampled. The resolution of both axes are
automatically adjusted. The data can be stored to a file, retrieved from a file, enlarged or condensed and
scrolled through for easier viewing.
Figure 16: DS1615K TEM PERATURE HISTOGRAM DISPLAY MENU
DS1615K / DS1616K
17 of 20
Figure 17: DS1616K TEMPERATURE HISTOGRAM DISPLAY MENU
Figure 18: DS1616K ADC CHANNEL 1 VOLTAGE HISTOGRAM DISPLAY MENU
DS1615K / DS1616K
18 of 20
Figure 19: EVALUATION BOARD SCHEMATIC – DS1615K
1 2
R1
1K
1 2
R2
1K
D1
LED
D2
LED
D3
1N4001
1 2
D4
BATTERY
1 2
X1
32.768 kHz
1
6
2
7
3
8
4
9
5
J1
DB9
1 2
S1
SW-PB
BAT
X1
X2
D1
D2
TX_IN
RX_OUT
VCC
VDRV_IN
RX_IN
TX_OUT
GND
TX_IN RX_OUT
Vbat
1
X1
2
X2
3
NC
4
INSPEC
5
OUTSPEC
6
INT
7
GND
8ST 9
RST 10
I/O 11
SCLK 12
TX 13
RX 14
COMSEL 15
Vcc 16
U2
DS1615
Vin
1
GND 2
Vout 3
U3
LM78L05ACZ
C1
.01uF
C3
.1uF
C2
.01uF
C4
.1uF
VCC
1
2
3
4
J2
HEADER 4
1 2
R3
10K
VCC
C6
22uF
1
2
3
JP1
HEADER 3
TP1
TEST_POINT
RXOUT 1
Vdrv
2
TXIN
3
GND 4
TXOUT 5
NC 6
RXIN
7
VCC
8
U1
DS275 (8)
12 R4
10k
VCC
C5
.33uF
R5
100k
BAT
DS1615K / DS1616K
19 of 20
Figure 20: EVALUATION BOARD SCHEMATIC – DS1616K
12
R1
1K
12
R2
1K
D1
GREEN D2
RED
D3
1N4001
1 2
B1
BATTERY
1 2
X1
32.768 kHz
1
6
2
7
3
8
4
9
5
J1
DB9
1 2
S1
SW-PW
BAT
X1
X2
D1
D2
TX_IN
RX_OUT
VCC
VDRV_IN
RX_IN
TX_OUT
GND
TX_IN RX_OUT
Vin
1
GND 2
Vout 3
U1
LM78L05ACZ
C1
.01uF
C3
.1uF
C2
.01uF
C4
.1uF
VCC
1
2
3
4
J2
HEADER 4
12 R3
10K
VCC
C5
22uF
1
2
3
JP1
COMSEL
TP1
TEST_POINT
RXOUT 1
Vdrv
2
TXIN
3
GND 4
TXOUT 5
NC 6
RXIN
7
VCC
8
U2
DS275 (8)
12 R4
10k
VCC
C6
.33uF
12
R5
100k
BAT
Vbat
1
X1
2
X2
3
GND
4
INSPEC
7
OUTSPEC
8
INT
11
NC
5
ST
10
RST 19
I/O 20
SCLK 21
TX 22
RX 23
COMSEL
6
Vcc 24
NC
9
GND
12 NC 13
AIN1 14
AIN2 15
AIN3 16
AGND 17
GND 18
U3
DS1616
BAT
BAT
ST
COMSEL
INT
INT
1
2
3
4
J3
HEADER 4
1 2
R7
0 1%
12 R6
0 1%
1
2
J4
HEADER 2
DS1615K / DS1616K
20 of 20
Table 3: DS1615 AND DS1616 EVALUATION BOARD BOM
Designator Part Type Description
C1 .01 uF .01 uF 50V Ceramic
C2 .01 uF .01 uF 50V Ceramic
C3 .1 uF .1 uF 50V Ceramic
C4 .1 uF .1 uF 50V Ceramic
R3 10k 10k
R2 1k 1k
R1 1k 1k
D3 1N4001 1N4001 General Diode
C5 0.33 uF 0.33 uF Ceramic
C6 22 uF 22 uF Tantalum
D4 BATTERY TL-5186 Tadiran Coin Cell Battery 1
X1 CRYSTAL C-Type Watch Crystal, Seiko Epson 2
J1 DB9 DB9 90 degree PCB connector
U2 DS1615 DS1615 Temperature Recorder
U2 DS1616 DS1616 Temperature Recorder
U1 DS275 DS275 Line Powered RS-232 Transceiver
JP1 HEADER 3 3 Pin Header
J2 HEADER 4 4 Pin Header
J3 HEADER 4 4 Pin Header (DS1616K only)
J4 HEADER 2 2 Pin Header (DS1616K only)
D1 LED Low Current LED (Green)
D2 LED Low Current LED (Red)
S1 SW-PB Pushbutton Switch
U3 VOLTREG L7805 LDO Voltage Regulator3
1 For more details and contact information, see: http:/www.tadiranbat.com
2 For more details and contact information, see: http://www.epson.co.jp/epson/english/device/lineup/crystale.htm
or consult Dallas Semiconductor’s Application Note 58, Crystal Considerations with Dallas Real Time Clocks which
is available on our web site. (http://www.dalsemi.com/)
3 For more details and contact information, see: http://www.two.st.com/stonline/books/index.htm
