CCU3000 Datasheet, PDF (15/77 Pages) Micronas – Central Control Unit

D0 ... D7
CCU 3000, CCU 3000-I
CCU 3001, CCU 3001-I
accu
clock
CI
LD
Start bit
8-bit ^WR
latch
0
1
WR
shadow register
set to ‘0’ during
LOAD active (LD = 0)
REACCU C
8-bit
latch
reloadable accumulator
Σ
CI
CO
CO1
OUT
IN
latch
clock
≥ _8-bit
latch
EN
EN
EN
OUT1
–1
1
0
control reg. 3, bit 2
write
bus register
(adder)
low byte
D0 ... D7
Fig. 2–14: Reloadable accumulator
read
bus register
(adder)
low byte
MICRONAS INTERMETALL
15