Datasheet Summary
TMS9902 CRU CPU
TMS9902 I/O
1 2 3 !"#$%&'(
) - !"+,- TMS9902 .&/012 3$4567 8#$9:;<=> ?@ 45ABCDEFGHI:; JKLMNO 45AB TMS9902 3$PQRSTRUS> #$V%W%&XY/0Z
)>[
TMS9902 ] NMOS ^_S` 18 abcdefg ]+5V hi j&
)k TTL lm
INTB TxD RxD CRUIN RTSB CTSB DSRB CRUOUT VSS(GND) <-<---> <-<---> --> --> --1 18 2 17 3 16 4 15 5 TMS9902 14 6 13 7 12 8 11 9 10 --<-<-<-<-<-<-<-<-VCC (+5V) CEB CLKB CRUCLK S0 (MSB) S1 S2 S3 S4 (LSB)
ab CRUIN CRUOUT CRUCLK CEB S0~S4 CLKB DSRB abno t CPU uv<=
- CPU {uv<| CRU uv} w CRU ~N '( uvXY-
-
pq <= <| <| <| <| <| <| rs w]xy- TMS9901 zj w]xy- TMS9901...