2SK758
TMS9902
TMS9902
TMS9902
TMS9902 CRU CPU
TMS9902 I/O
1 2 3 ...
Description
TMS9902
TMS9902
TMS9902
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 abc defg \]+5V hi j&
)k TTL lm
TMS9902
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 zj w]xy* TMS9901 zj w]xy* TMS9901 zj w]xy* TMS9901 zj TMS9904 CLK3
) USuv<+, ]<|
) h:; ~ 27 . -D E-'4567 W !" /0 !"/0' ><=h ¢>h£ ¤!"uv ¥¦uv><| ¥¦uv><=
RTSB CTSB RxD TxD INTB VCC,VSS
67!" ¡!" ¥¦uv<| ¥¦uv<= t CPU 4567 hi*§N
<= <| <| <= <=
Free Datasheet http://www.Datasheet4U.com
TMS9902
RTSB !"/0 CTSB
CRUOUT CRUIN CRUCLK INTB CLKB CEB S0 S1 S2 S3 S4
!"¨© CPU /0 !"+, :; US u +, ¨© ª' ª'/0
!"
TxD
RxD
/0
DSRB
TMS9902
TMS9902 USW:; ~rs CRU US « :; ¬ ~) 31 ~ « 1 0 ®¯45°±* 30 US~ 17 14 13 12 11 4~ ²~³~* 29 ´µ= DSRB CTSB <|h¶ ~xy CRU ~ 21 « 1 0 28 CTSB <|h 27 DSRB <|h 26 RTSB <=h 25 ª' ·u¢ 0 ~xy CRU ~ 20 « 1 0 24 ª' ¸=¹º ~...
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