2000 Microchip Technology Inc. DS51221A
Information contained in this publication regarding device applications and the like is intended by way of suggestion
only. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with
respect to the accuracy or use of such information. Use of Microchip’s products as critical components in life support
systems is not authorized except with express written approval by Microchip.
2000 Microchip Technology Incorporated. All rights reserved.
The Microchip logo, name, PIC, and PICmicro are registered trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries. In-Circuit Serial Programming (ICSP) is a trademark of Microchip Technology Inc.
All product/company trademarks mentioned herein are the property of their respective companies.
ANALOG EVALUATION SYSTEM
DRIVER BOARD USER’S GUIDE
Driver Board User’s Guide
DS51221A 2000 Microchip Technology Inc.
DRIVER BOARD USER’S GUIDE
Table of Contents
2000 Microchip Technology Inc. DS51221A-page iii
Chapter 1. Introduction
1.1 Overview .........................................................................................1
1.2 Block Diagram ................................................................................2
1.3 Board Layout ..................................................................................3
Chapter 2. Daughter Board Connections
2.1 Connecting a Daughter Board ......................................................13
Appendix A. Driver Board Schematic and Diagrams
A.1 Introduction ...................................................................................15
A.2 Driver Board Schematic ................................................................16
A.3 Driver Board Silkscreen ................................................................17
A.4 Driver Board Top View .................................................................. 18
A.5 Driver Board Bottom View ............................................................19
Worldwide Sales and Service..................................................................20
Driver Board User’s Guide
DS51221A-page iv 2000 Microchip Technology Inc.
2000 Microchip Technology Inc. DS51221A-page 1
DRIVER BOARD USER’S GUIDE
Chapter 1. Introduction
1.1 Overview
The Analog Evaluation Driver Board is designed to be used as an evaluation
and demonstration tool for some of Microchip Technology’s products. The
board was designed to be as versatile as possible while maintaining the
requirements to handle accurate analog measurements. The Driver Board is
designed to be used in conjunction with daughter boards for specific products,
although it can be used as a stand-alone board or the user may create
daughter boards for their own purposes.
1.1.1 Features
Some of the more important features available on the Analog Driver Board are
listed below:
• Sockets for PIC16C63, PIC16C54 and PIC12C5XX
• RS-232 connections to PIC16C63 socket
• On-board SRAM for storing data
• LCD displa y module
• Prototyping area
• Sockets for serial EEPROMs for storing calibration data
• Socket for 4-digit LED display module
Driver Board User’s Guide
DS51221A-page 2 2000 Microchip Technology Inc.
1.2 Bloc k Diagra m
A block diagram of the Driver Board is shown in Figure 1.1. The board
consists of all de vices required to acquire, store, and display data from the
daughter board. Sockets for three different PICmicro® 8-bit microcontrollers
allows flexibility to the user by providing the means of experimenting with
different designs. A physical layout diagram of the Driver Board is shown in
Figure 1.2.
Figure 1.1: Block Diagram of Analog Evaluation Driver Board
PIC16C63
SRAM counter 2
2 x 16 LCD Display
counter 1
To
4-Digit LED Display
RS-232
Transceiver
Daughter board
To PC
PIC16C54
PIC12CXX
Serial
EEPROM
2000 Microchip Technology Inc. DS51221A-page 3
Introduction
1.3 Board Layout
Figure 1.2: Board Layout Diagram of Analog Evaluation Driver Board
1.3.1 Processor Sockets
As shown in Table 1.1, there are three processor sockets available on the
Analog Evaluation Driver Bo ard. These sockets al low the user flexibility in
choosing which processor is best for their evaluation purposes. The table
below shows which processors are compatible with each socket
PIC16C63
Power
Regulator
SRAM
Address counter 1
Address counter 2
2 x 16 LCD Display
2 x 25-Pin Daughter Board Connector
Prototype Area
XTAL
SPI
EEPROM I2C
EEPROM
RS-232
Connector Connections/
MCLR
SW1
SW2
4-Digit LED Display Below
PIC16C54 PIC12CXX
JP2
JP3
JP5
Table 1.1: Processor Socket Compatibility
Processor Socket Compatible Processors
PIC16C6X PIC16C62
PIC16C62A
PIC16C63
PIC16C63A
PIC16C5X PIC16C54
PIC16C54A
PIC12CXX PIC12C509
PIC12C508
Driver Board User’s Guide
DS51221A-page 4 2000 Microchip Technology Inc.
1.3.2 Power Supply
The Analog Evaluation Driver Board is powered from a 9 VDC supply. This
supply is regulated on the board itself to produce 5V for the components on
the board. The 5V regulator can regulate loads up 100 mA. Care should be
taken by users who modify the system in any way to prevent the total load
from exceeding this value or damage may be done to the board.
If the user wants to power the board from a supply other than the power
supply provided, solder tabs for VDD and ground are provided to make the
connections.
All components on the Analog Evaluation Driv er Board are capable of running
down to 3V.
1.3.3 Jumpers
There are five jumpers located on the Driver Board. Only one of the jumpers is
populated when the board comes from the factory. The location of each
jumper is shown below in Figure 1.3. Note that Jumpers JP2, JP3, and JP5
are underneath the LCD Panel.
Figure 1.3: Jumper Locations
Note: These tabs are not connected through the on board regulator,
therefore any external supply must provide a regulated 5V supply.
PIC16C63
Power
Regulator
SRAM
Address counter 1
Address counter 2
2 x 16 LCD Display
2 x 25-Pin Daughter Board Connector
Prototype Area
XTAL
SPI
EEPROM I2C
EEPROM
RS-232
Connector Connections/
MCLR
SW1
SW2
4-Digit LED Display Below
PIC16C54 PIC12CXXX
JP2
JP3
JP5
JP3
JP2
JP5
JP4
JP1
JP4
JP1
2000 Microchip Technology Inc. DS51221A-page 5
Introduction
1.3.3.1 Jumper JP1
Jumper JP1 is used to connect the In-Circuit Serial Programming™ (ICSP™)
connector to the PIC12C508 microcontroller. This jumper is not populated
when deliv ered from the factory. This jumper connects GP1 to the D1 pin on
the ICSP connector. It will also short GP1 to RB6 on the PIC16C63. This
jumper should only be installed when the PIC12C508 microcontroller is being
used and ICSP will be utilized.
1.3.3.2 Jumper JP2
Jumper JP2 connects a 10k Ohm pull-up resistor to the SDA line. This jumper
is not populated when delivered from the factory. This jumper is necessary
only if any I2C™ peripherals are being used as these de vices use a open
drain output on the data pin (SD A) and require a pull-up resistor for operation.
If this jumper is installed, the operation any SPI® peripherals may be affected
by this resistor.
1.3.3.3 Jumper JP3
Jumper JP3 enables power to the serial LED displa y. This jumper is not
populated when delivered from the factory.
1.3.3.4 Jumper JP4
Jumper JP4 is used to connect the ICSP connector to the PIC12C508
microcontroller. This jumper is not populated when delivered from the factory.
This jumper connects GP0 to the D0 pin on the ICSP connector. It will also
short GP0 to RB7 on the PIC16C63.This jumper should only be installed
when the PIC12C508 microcontroller is being used and ICSP will be utilized.
1.3.3.5 Jumper JP5
Jumper JP5 is used to determine which microcontroller has control of the LCD
display. This jumper comes from the factory with the jumper set to the
PIC16C63 setting.
Figure 1.4: Jumper JP5 Selections
(Default) This sets the LCD display to be controlled by the PIC16C63
This sets the LCD display to be controlled by the PIC16C63
63
54
63
54
LCD
LCD
Driver Board User’s Guide
DS51221A-page 6 2000 Microchip Technology Inc.
1.3.4 LCD Disp lay
The LCD display is provided as a means of communication with the user by
displaying information such as acquisition data from a daughter board,
configuration data, etc. The display is a standard 20-Character by 2-Line
display with an on-board controller that can be obtained from several vendors.
A full datasheet on the display can be obtained from the manufacturer.
1.3.5 LED Display
A socket is provided for a 4-digit serial LED display, although this display must
be purchased and installed by the user. It is made up of two separate display
devices , a 3-digit display (Lite-On LTM8522) and a single digit display (Lite-
On LTS6760 or compatible). These display devices include the LED driving
circuitry and require no other components. Data to the display is sent using an
SPI-type of command using chip select, clock and data lines.
Figure 1.5: Timing Diagram for Serial LED Display
Note: If the LCD display is going to be used, the jumper JP5 must be set
according to the microcontroller being used as shown in
Figure 1.4.
Data
Clock
Data
Enable
A
B
C
D
E
FG
Digit 1 Digit 2 Digit 3 Digit 4
Start
Data for Digit 1 Data for Digit 2 Data for Digit 3 Data for Digit 4
ABCDE GFDP
2000 Microchip Technology Inc. DS51221A-page 7
Introduction
1.3.6 Push-Button Swit ches
There are three push-button switches available on the Analog Evaluation
Driver Board that are connected to the PIC16C63 socket. The table below
outlines the connections for each of these switches. Each push button has a
pull-up resistor attached to VDD, so the pin connected to the switch will
normally be at a logic high level.
1.3.7 RS-232 Connections
The RS-232 Port is connected only to the PIC16C6X sock et. Port pins RC6
(TX) and RC7 (RX) are utilized for this purpose. The UART in the PIC16C6X
can be utilized to easily transfer data to and from the processor. When the
control board is under PC control, the RS-232 port will be utilized to transfer
data and commands between the board and the PC. An RS-232 driver device
is installed on the board to provide the voltage levels required for
communication with a host computer.
1.3.8 Oscillator Options
The Analog Evaluation Driver Board provides oscillator options for PIC16C63
and PIC16C54 processor sockets. The PIC12C508 socket does not have
access to the oscillator options as this device has an on-board oscillator.
When delivered from the factory, the Driver Board has a 20 MHz oscillator
installed in the socket on the board. The board provides the ability to use a
standard crystal if required. The crystal is installed in the Y3 position and the
capacitors C11 and C12 will also need to be installed. Please consult the data
book to obtain information on the correct v alues of C11 and C12 based on the
crystal frequency you plan on using. Figure 1.6 shows where each of the
oscillator option sockets are located.
Figure 1.6: Oscillator Option Locations
Table 1.2: Push-Button Switch Connections on PIC16C63
SW1 SW2 MCLR
Pin
Number Pin
Function Pin
Number Pin
Function Pin
Number Pin
Function
7 RA5 13 RC2 1 MCLR
PIC16C63
PIC16C54 PIC12CXX
Oscillator
Socket
Y3
C12
C11
Driver Board User’s Guide
DS51221A-page 8 2000 Microchip Technology Inc.
1. 3.9 Sta tic R A M
F or high-speed data acquisition requirements, a 32K byte Static RAM (SRAM)
is av ailable on the Analog Ev aluation Driver Board. Data can be acquired and
stored in the SRAM and then uploaded to a host computer at a later time.
Utilizing the SRAM allows faster data acquisition than sending data directly to
the host as it is acquired. Access to the control and data lines on the static
RAM device are only available through the PIC16C6X socket. Address
connections are made through the counter devices. The counters are used to
advance the SRAM address when writing data to or reading data from the
SRAM. The connections between the PICmicro® microcontroller (MCU) and
the SRAM are shown in Figure 1.7. The code segments shown in Figure 1.8
and Figure 1.9 outline how data is written to, and read from, the SRAM. Keep
in mind that for 10- and 12-bit ADCs, each conversion value takes up two
bytes of SRAM memory. Also note that propagation delay from the counter
outputs through actual data transition on the SRAM must be considered when
reading from the SRAM or incorrect data may be read.
Figure 1.7: Connections from the PIC16C6X Socket to SRAM
SRAM
OE
R/W
CE
RESET
CLK
PIC16C63
RC0
B0-B7 8
D1
D2
D12
CLK
D1
D2
D3
A14
A0
A1
RESET
RC1
RC2
RA2
RA3
D0-D7
CNTR2
CNTR1
2000 Microchip Technology Inc. DS51221A-page 9
Introduction
Figure 1.8: Code segment for Writing Data to an Address in SRAM
Figure 1.9: Code Segment for Reading SRAM Address
bsf STATUS,RP0 ; bank1
movlw B’00000000’ ; Set all bits in portb
movwf TRISB ; as outputs
bcf STATUS,RP0 ; set bank 0
movfw data ; move the data to write
into w
movwf portb ; present data to SRAM
nop ; make sure data lines have settled
; toggle the SRAM R/W pin to write the data
bcf sramrw ; clear sram read/write bit
bsf sramrw ; set sram read/write bit
; now toggle the counters to increment sram address
bsf cntrclk ; set counter clock high
bcf cntrclk ; set counter clock low
;*****************************************************
; read_sram_addr (read sram address)
;
; this routine reads the contents of the sram at the
current
; address set by the counters
;*****************************************************
read_sram_addr
bsf STATUS,RP0 ; bank1
movlw B’11111111’; Set all bits in portb
movwf TRISB ; as inputs
bcf STATUS,RP0 ; set bank 0
bcf sramcs ; set sram cs low to enable
bsf sramrw ; set sram read/write to read mode
bcf sramoe ; set sram output enable low to
; enable outputs
nop
movfw portb ; get port b data inputs into w
bsf sramcs ; set sram cs high to disable
call inc_sram_addr; increment the SRAM address by 1
return
Driver Board User’s Guide
DS51221A-page 10 2000 Microchip Technology Inc.
1.3.10 Serial EEPROMS
The Analog Evaluation Driver Board provides sockets for both an I2C and an
SPI serial EEPROM. These sockets are provided for users who want to
experiment with systems that require the storage of information such as
calibration data or lookup tables. Connections for both EEPROMS are
available on the PIC16C6X socket and the PIC16C5X socket. There is no CS
connection from the PIC12C5X socket to the EEPROM, as there are devices
in this processor family av ailable with on-board EEPROM. The connections to
the EEPROM sockets are shown below in Figure 1.10. Consult individual
device data sheets for detailed information on using the serial EEPROMS.
Figure 1.10: Serial EEPROM Conn ections
Vss
A0
A1
A2 WP
1
2
3
4
V
DD
SCL
SDA
8
7
6
5
V
SS
CS
SO
WP Hold
1
2
3
4
V
DD
SCK
SI
8
7
6
5
SCL/SCK
SDA/SDI
SDO
CSEE
Connections from Microcontrollers to serial EEP ROMS
MCU
Pin
Name
Microcontroller Port Pin
PIC16C63 PIC16C54 PIC12C509
CS RB0 RB0 NC
SCL/SCK RC3 RA1 GP2
SDA/SDI RC4 RA2 GP5
SDO RC5 RA3 GP1
2000 Microchip Technology Inc. DS51221A-page 11
Introduction
NOTES:
Driver Board User’s Guide
DS51221A-page 12 2000 Microchip Technology Inc.
NOTES:
2000 Microchip Technology Inc. DS51221A-page 13
DRIVER BOARD USER’S GUIDE
Chapter 2. Daughter Board Connections
2.1 Connecting a Daughter Board
The daughter board is connected to the Driver Board with a 50-pin header
connector is shown in Figure 2.1. The male connector is on the Driver Board
side.
Figure 2.1: Connecting Daughter Board to Driver Board
The daughter board pin connections are shown in Figure 2.2.
Figure 2.2: Daughter Board Connector (J4)
Driver Board
Daughter Board
135791113151719212325272931333537394143454749
2468101214161820222426283032343638404244464850
+9V
SCL/SCK
SDA/SDI
SDO (M CU)
63 RA0
54 RA0
12C508 GP0
54/63 RB0
54/63 RB1
54/63 RB2
54/63 RB3
54/63 RB4
54/63 RB5
54/63 RB6
54/63 RB7
63 RA1
63 RA2
63 RA3
63 RA4
63 RA5
63 RC0
63 R C1
DGND
DGND
+5V
DGND
DGND
DGND
DGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
+5V
+5V
+5V
+9V
Driver Board User’s Guide
DS51221A-page 14 2000 Microchip Technology Inc.
NOTES:
2000 Microchip Technology Inc. DS51221A-page 15
DRIVER BOARD USER’S GUIDE
Appendix A. Driver Board Schematic and Diagrams
A.1 Introduction
This appendix contains the schematic and layouts for the driver board.
Driver Board User’s Guide
DS51221A-page 16 2000 Microchip Technology Inc.
A.2 Driver Board Schematic
C1
.1uF
+
1
3
2
J1
+9V Supply
Vin
3
GND 2
+5v 1
U1
LM7805
C2
.1uF
R1 470
+
-
D1
Power LED (GREEN)
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2out
7
R2in
8R2out 9
T2in 10
T1in 11
R1out 12
R1in 13
T1out 14
GND 15
VCC 16
U2
MAX232A
1
6
2
7
3
8
4
9
5
J2
To RS-232 Port
C4
01.uF
C5
0.1uF
C6
0.1uF
C7 0.1uF
R5
10
+5
R2
470
SW3
MCLR
NC
1
GND
2OUT 3
VDD 4
Y1
XTAL-SOCKET
C3 .1uF
+5
C80.1uF
C15
0.1uF
+5
+5
+5
C22
0.1
C16 0.1uF
C17
0.1uF
+5
R3
470
R7
4.7K
SW1
+5
R4
470
R8
4.7K
SW2
+5
CS
1
SO
2
WP
3
VSS
4SI 5
SCK 6
HOLD 7
VCC 8
U3
SPI 8 PIN
A0 1
A1 2
A2 3
VSS 4
VCC
8WP
7SCL
6SDA
5
U4
24LC01
VDD
1
GP5/OSC1/CLKIN
2
GP4/OSC2
3
GP3/MCLR/VPP
4GP2/TOCK1 5
GP1 6
GP0 7
VSS 8
U5
PIC12C508
RA2
1
RA3
2
TOCKI
3
MCLR/VPP
4
VSS
5
RB0
6
RB1
7
RB2
8
RB3
9RB4 10
RB5 11
RB6 12
RB7 13
VDD 14
OSC2/CLKOUT 15
OSC1/CLKIN 16
RA0 17
RA1 18
U6PIC16C54
GND 1
VDD 2
DIV 3
RS 4
RW 5
E6
D0 7
D1 8
D2 9
D3 10
D4 11
D5 12
D6 13
D7 14
J5
LCD HEADER
C18
0.1uF
C19
0.1uF
C20
0.1uF
+5
+5
+5
C21
0.1uF
SW1
SW2
MCLR
+5
R10
330
Y3
XTAL-PDIP
C11
22pF
C12
22pF
OSC1
OSC2
CLKIN
RX
TX
+9V
R11
10K
+5
2 1
JP2
BRT 18
DATA 15
CS 14
B34 13
B33 12
B32 11
B31 10
CLK 16
VDD 17
B30
9B29
8B28
7B27
6B26
5B25
4VLED
3VLED
2VSS
1
U8
LTM8522HR
G10
F9
COM 8
A7
B6
E
1
D
2
COM
3
C
4
DP
5
U9LTS-6X60
LB25
LB26
LB27
LB28
LB29
LB31
LB32
LB30
LB29
LB28
LB27
LB32 LB26
LB25
LB30
LB31
+5
SDA/SDI
SDO
63RC6
63RC7
RB0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
SDA/SDI
SDO
RB0
RB1
RB2
RB3 RB4
RB5
RB6
RB7
54RA0
GP0
GP3
GP4
SDA/SDI
+5
Vin
2
GND 3
Reset 1
U10
POR
+5
MCLR
SW1
SW2
LCDD3
LCDD2
LCDD1
LCDD0
LCDD3
LCDD2
LCDD1
LCDD0
LCD_RW
LCD_RS
Note: GP3
is input only.
RX
TX
63RA4
63RC2
63RC7
63RC6
LCD_E
2 1
JP3
JUMPER
R9
10.1k
R12
10K
TP1
+5V
TP2
DGND
+5
GND
TP3
SCL/SCK
TP4
SDA/SDI
TP5
SDO
C9
1uF
No pullup on MCLR
SCL/SCK
SDO
LEDCS
OSC1
OSC2
CLKIN
MCLR
SDA/SDI
SCL/SCK
EECS
SDA/SDI
SDO
SCL/SCK
SDO
SDA/SDI
SCL/SCK
SWITCHES (63 ONLY)
USART ( 63 ONLY)
LEDCS
EECS
SCL/SCK
SDA/SDI
SDO
63RC3
63RC4
63RC5
RB0
CHIP SELECTS
SPI / I2C BUS (ALL 3)
LCD DISPLAY (63 AND 54 ONLY)
LCDD0
LCDD1
LCDD2
LCDD3
LCD_E
LCD_RW
LCD_RS
RB4
RB5
RB6
RB7
RB2
RB1
Connections
MCLR/VPP
1
RA0
2
RA1
3
RA2
4
RA3
5
RA4/TOCK1
6
RA5/SS
7
OSC1/CLKIN
9VSS
8
OSC1/CLKOUT
10
RC0
11
RC1
12
RC2
13
RC3/SCK/SCL
14 RC4/SDI/SDA 15
RC5/SDO 16
RC6/TX 17
RC7/RX 18
VSS 19
VDD 20
INT/RB0 21
RB1 22
RB2 23
RB3 24
RB4 25
RB5 26
RB6 27
RB7 28
PIC16C63
U7
PIC16C63
MCLR
63RA0
63RA1
63RA2
63RA3
63RA4
63RA5
OSC1
OSC2
63RC0
63RC1
63RC2
SCL/SCK
CLKIN
D1 5
D0 4
GND 3
VDD 2
VPP 1
D2 6
J3
ICSP
MCLR
+5
GND
RB7
RB6
R6
10K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
J4
HEADER50
+5A
+5A
+5A
+5
GND
GND
+9V
TP6
+5V
TP7
DGND
+5
GND
A1
B2
C3
4
5
6
7
8
9
10
J6
The Wedge
SDO
WGY_CS1
63RA0
WGY_CS2
+5A
+5A
SCL/SCK
SDA/SDI
WGY_CS3
AGND
SDA/SDI
SHARED PORT PINS
SCL/SCK
SDA/SDI
SDO
54RA0
GP0
RB0
63RA1
63RA2
63RA3
63RA4
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
54RA1
54RA2
54RA3
63 B and 54 B are tied together
63RA0
+5
GP4
GP5
GP1
GP2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
TP8
SR25
ADCS
GP3
GP0
GP1
+9V
63RA0 54RA0 GP0
(ADCS NOT connected on Motherboard)
SCL/SCK
SCL/SCK
SDO
21
JP1 ICSP
MUST CLOSE JUMPERS
WHEN PROGRAMMING
12C508/509 WITH ICSP
21 JP4 ICSP
GP1
SCL/SCK
SDA/SDI
SDO
ADCS 63
ADCS 54
ADCS 09
63RC1
63RC0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
63RA5
63RC0
63RC1
GND
GND
+5
63RC2 63RA2 63RA3
A14
1
A12
2
A7
3
A6
4
A5
5
A4
6
A3
7
A2
8
A1
9
A0
10
I/01
11
I/02
12
I/03
13
GND
14 I/04 15
I/05 16
I/06 17
I/07 18
I/08 19
CE 20
A10 21
OE 22
A11 23
A9 24
A8 25
A13 26
R/W 27
VDD 28
U11 32K SRAM
D12
1
D6
2
D5
3
D7
4
D4
5
D3
6
D2
7
VSS
8D1 9
X1 10
RESET 11
D9 12
D8 13
D10 14
D11 15
VDD 16
U12 RIPPLE COUNTER 2
D12
1
D6
2
D5
3
D7
4
D4
5
D3
6
D2
7
VSS
8D1 9
X1 10
RESET 11
D9 12
D8 13
D10 14
D11 15
VDD 16
U13 RIPPLE COUNTER 1
+5
+5
+5
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
A13
A8
A9
A11
A10
A14
A13
A11
A5
A4
A6
A3
A2
A1
A0
A8
A7
A9
A10
63RC0
63RC1
A12
RB0
RB1
RB2
RB3
RB4
RB5
RB6
RB7
63RC2
63RA2
63RA3
C10
0.1uF
C13
0.1uF
C14
0.1uF
+5 +5 +5
WGY_CS1
WGY_CS2
63RA4
63RA5
SRAM / Counter connections
B0-7
TRIGGER!!
TRIGGER!!
TP9
SW1/TRG
C23
15 pF
2
1 3
JP5
LCD/LED ENABLE
RB3 63RA5
LCD/LED_E_JUMPER
LCD/LED_E_JUMPER
LCD/LED_E_JUMPER
WGY_CS3 63RA1
1 2
L1
CHOKE
+5A
2000 Microchip Technology Inc. DS51221A-page 17
Driver Board Schematic and Diagrams
A.3 Driver Board Silkscreen
Driver Board User’s Guide
DS51221A-page 18 2000 Microchip Technology Inc.
A.4 Driver Board Top View
2000 Microchip Technology Inc. DS51221A-page 19
Driver Board Schematic and Diagrams
A.5 Driver Board Bottom View
Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates.
It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is giv en and no liability is assumed by
Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectua l pr operty rights
arising from such use or otherwise. Use of Microchip’s products as critical components in life support systems is not authorized except with e xpress written
approval by Microchip. No licenses are conveyed, implicitly or otherwise, except as maybe explicitly expressed herein, under any intellectual proper ty
rights. The Microchip logo and name are registered trademarks of Microchip Technology Inc. in the U.S.A. and other countries. All ri ghts re serv ed. All other
trademarks mentioned herein are the property of their respective companies.
DS51221A-pa
g
e 20
2000 Microchip Technology Inc.
All rights reserved. © 2000 Microchip Technology Incorporated. Printed in the USA. 2/00 Printed on recycled paper.
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01/21/00
WORLDWIDE SALES AND SERVICE
Microchip received QS-9000 quality system
certification for its worldwide headquarters,
design and wafer fabrication facili ties in
Chandler and T empe, Arizona in July 1999. The
Company’s quality system processes and
procedures are QS-9000 compliant for its
PICmicro
®
8-bit MCUs, KEELOQ
®
code hopping
devices, Serial EEPROMs and microperiphe ral
products. In addition, Microchip’s quality
system for the design and manufacture of
development systems is ISO 9001 certified.
