Specifications

S1D12300
Series
Rev. 1.9 EPSON 4–39
S1D12300 Series
12. MPU INTERFACE (REFERENCE EXAMPLES)
The S1D12300 Series can be connected to the 80 series MPU and 68 series MPU. When an serial interface is used, the
S1D12300 Series can be operated by less signal lines.
80 Series MPU
68 Series MPU
Serial Interface
V CC
RES
GND
MPU
RESET
V
DD
A0
CS
SI
RES
V
SS
IF
P/S
SCL
Port4
Port3
Port1
Port2
V
or GND
SS
S1D12300
V CC
A0
A1 to A7
D0 to D7
E
RES
GND
MPU
Decoder
RESET
V
DD
A0
CS
D0 to D7
RES
V
SS
IF
P/S
VMA
E
S1D12300
V CC
A0
A1 to A7
D0 to D7
WR
RES
GND
MPU
Decoder
RESET
V
DD
A0
CS
D0 to D7
RES
V
SS
IF
P/S
S1D12300
IORQ
WR