Akai GX-77

HD38800A42
2048 x 10 bit
(PROGRAM MEMORY)
128 x IO bit
(PATTERN MEMORY )
INST
DECODER
STACK REGISTER
= 0,0
ed '
a al 1
a H
of] !
wf
=
xr | H
rey a 1
~-L_ H
qi {
a '
oF
0'15
ao
cs “—— VooO
a —=— Ves
=
ee > —=—Vdisp
(eee
(
eee
oc
=—
Vss
|
—w—
TEST
TIMER / COUNTER =
RAM id a ACL RESET
INTERRUPT
=>
ne
160 x 4 bit ee —
z
= F CPG osc
INT 1O
INT OO
66