Toshiba T3200 User Manual page 151

APPENDIX B
MEMORY MAPPER GA (Gate Array)
B.l GENERAL
The Memory Mapper Gate Array is a flat package typed chip
with 100 lead pins, and it contains the following functions.
- Generation of the DMA memory address.
- I/O address decoding.
- Other various functions such as;
*
ROM control signal
*
Timer clock
*
Parity error detection control
*
NMI (Non Maskable Interrupt) signal
80
51
..w. _ _ _ _
.-Y""'-
50
100
31
1
30
B-1