UPD16488AP NEC [NEC], UPD16488AP Datasheet - Page 87

• Manufacturer Part Number: UPD16488AP
• Description: 1/92 DUTY LCD CONTROLLER/DRIVER WITH FOUR-LEVEL GRAY SCALE, ON-CHIP RAM
• Manufacturer: NEC [NEC]

11. CPU INTERFACE (REFERENCE EXAMPLE)
connection is used, the number of signal lines can be reduced.
to select and access the ICs.
(1) M68 series CPU
(2) i80 series CPU
The µ PD16488A can be connected to either an i80 series CPU or an M68 series CPU. Also, if a serial interface
If several µ PD16488A chip is used, the display area can be enlarged. When using this method, use the chip select signal
CPU
CPU
V
GND
V
GND
A1 to A15
CC
CC
A1 to A7
D
D
0
/IORQ
0
/RES
VIMA
to D
/RES
to D
/WR
R/W
/RD
A0
A0
E
7
7
Data Sheet S15745EJ2V0DS
Decoder
Decoder
/RESET
/RESET
RS
/CS1
D
E
R,/W
/RES
RS
/CS1
D
/RD
/WR
/RES
0
0
to D
to D
V
7
V
V
V
7
DD1
SS
DD1
SS
PSX
C86
PSX
C86
µ µ µ µ PD16488A
87