Akai GX-F44R

MB8841-564M
INSTRUCTION
DECODER
Ro PORT
Ra
Ri PORT
a R?
Re
R2 PORT i
Rn
Riz
R3 PORT !
Ris
Ko
K PORT '
K3
T
=
ROM 2048 x8 (MB884!)
1024 x8 (MB8843)
ROM 128 x4 (MB8841)
64 x4 (MB8843}
ROM DECODER
ADORESS CONSTANT
GENERATOR
Lif ff
CONTROL CIRCUIT
INTERRUPT
MASK FLAG
EXTAL XTAL
SN7404N SN7405N
* OPEN COLLECTOR
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