Specifications

Rev. 2.4 EPSON 5–33
S1D12304/12305 Series
S1D12304/12305
Series
12. MPU INTERFACE (REFERENCE EXAMPLES)
The S1D12304/12305 Series can be connected to the 80 series MPU and 68 series MPU. When an serial interface is used,
the S1D12304/12305 Series can be operated by less signal lines.
80 Series MPU
68 Series MPU
Serial Interface
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
S1D12304/12305
IORQ
WR
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
S1D12304/12305
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
S1D12304/12305