Page 283 - Embedded Microprocessor Systems Real World Design

PIN dl/P1 dl/Pl J8/P8 -/Pa
(Row A) (ROW B) (ROW 0) (ROW D)
0 - - GND GND
1 -1OCHCHK GND 4BHE -MEMCS 1 6
2 SD7 RESET LA23 -1OCS 16
3 SD6 +5v LA22 IRQlO
4 SD5 IRQ9 LA2 1 IRQll
5 SD4 -5v LA20 lRQl2
6 SD3 DRQ2 LA19 IRQl5
7 SD2 -12v LA18 IRQ14
8 SD 1 -ENDX.FR LA17 -DACKO
9 SDO +12v -MEMR DRQO
10 IOCHRDY KEY -MEW -DACKS
11 AEN -SMEIkTW SD8 DRQ5
12 SA1 9 -SMEMR SD9 -DACK6
13 SA18 -1ow SDlO DRQ6
14 SA1 7 -1OR SD11 -DACK7
15 SA16 -DACK3 SD12 DRQ7
16 SA15 DRQ3 SD13 +5V
17 SA14 -DACKl SD14 -MASTER
18 SA13 DRQl SD15 GND
19 SA12 -REFRESH KEY GND
20 SA1 1 CLK
21 SA1 0 IRQ7
22 SA9 IRQ6
23 SA8 IRQ5
24 SA7 IRQ4
25 SA6 mQ3
26 SA5 -DACK2
27 SA4 TC
28 SA3 BALE!
29 SA2 +5v
30 SA1 osc
31 SA0 GND
32 GND GND

Note that the J2/P2 connector starts numbering the pins with 0. This can cause
a problem for some PCB layout packages that expect the first pin of a device to be
pin 1.

264 Embedded Micropromsor Systemr