User manual

Page 36

Document No. 80-15151 Issue 6 HEBER LTD

8.18 P13 – External I

C Bus

Reference:

P13

Type:

Header 4W AMP MTA-100

Description:

External I

C Bus

1GND

2 AUX7/SDA I2C SDA line, TTL Open Collector I/O, 1K Pull-up

3 AUX6/SCL I2C SCL line, TTL Open Collector I/O, 1K Pull-up

4+5V

8.19 P14 – IO Expansion Card Connector

Reference:

P14

Type:

DIN41612, C/2 Vertical Plug

Description:

Connector for IO Expansion Boards

cba

D8 PORTA0 HALT-

2 D9 PORTA1 CLKOUT

3 D10 PORTA2 CS3-

4 D11 PORTA3 RESET-

5 D12 PORTA4 BERR-

6 D13 PORTA5 A20

7 D14 A22 A23

8 D15 AS- A4

9 RXDA- (TTL) DS- A5

10 TXDA- (TTL) R/W- A6

11 CTSA- (TTL) DSACK0- A7

12 RTSA- (TTL) DSACK1- +12V

13 A0 SIZ0 VCC

14 A1 SIZ1 VCC

15 A2 PB5 GND

16 A3 PB6 GND