msm9810 Oki Semiconductor, msm9810 Datasheet - Page 30

• Manufacturer Part Number: msm9810
• Description: 8-channel Mixing Oki Adpcm Type Voice Synthesis Lsi
• Manufacturer: Oki Semiconductor

MCU
Application circuit example when four 4Mbit EPROMs are connected (serial interface)
SD
SI
SO
CMD
CS
WR
RD
RESET
SERIAL
NCR/BUSY
RCS
TEST1
TEST2
TEST3
M9810
XT
RA18-0
RD7-0
RDAO
LDAO
RA20
RA19
XT
ROE
AMP
AMP
2B
2A
74HC139
19
1G
8
2G
Y3
Y2
Y1
Y0
CE
A18-0
D7-0
M274000
OE
CE
A18-0
D7-0
M274000
OE
CE
A18-0
D7-0
M274000
OE
CE
A18-0
D7-0
M274000
OE