3. Interface Description
3.1. Parallel Interface:
Pin No. Symbol
External
Connection
Power Supply
Power Supply
‐
Function Description
1
2
3
4
5
VSS
VDD
NC
Ground
Supply Voltage for OLED and logic.
No Connect
Register select signal. D/C=0: Command, D/C=1: Data
6800‐interface:
D/C
R/W or /WR
MPU
MPU
Read/Write select signal, R/W=1: Read R/W: =0: Write
8080‐interface:
Active LOW Write signal.
6
E or /RD
MPU
6800‐interface:
Operation enable signal. Falling edge triggered.
8080‐interface:
Active LOW Read signal.
7‐14
15
16
17
18
19
20
21
22
DB0 – DB7
/RES
MPU
MPU
MPU
MPU
MPU
MPU
MPU
MPU
MPU
8‐bit Bi‐directional data bus lines.
Active LOW Reset signal.
/CS
BS1
BS0
Active LOW Chip Enable signal.
MPU Interface Select signal.
MPU Interface Select signal.
Multi‐font IC Serial Clock Input
Multi‐font IC Serial Data Input
Multi‐font IC Active LOW Chip Enable signal.
Multi‐font IC Serial Data Output
MF_SCLK
MF_SI
/MF_CS2
MF_SO
3.2.
Serial Interface:
Pin No. Symbol
External
Connection
Power Supply
Power Supply
‐
Function Description
1
2
3
VSS
VDD
NC
Ground
Supply Voltage for OLED and logic.
No Connect
4
5‐6
7
8
9
D/C
VSS
SCLK
SDIN
NC
MPU
Power Supply
MPU
Register select signal. D/C=0: Command, D/C=1: Data
Ground
Serial Clock signal.
Serial Data Input signal.
No Connect
MPU
‐
10‐14
15
16
17
18
19
20
21
22
VSS
/RES
/CS
BS1
BS0
MF_SCLK
MF_SI
/MF_CS2
MF_SO
Power Supply
MPU
Ground
Active LOW Reset signal.
Active LOW Chip Enable signal.
MPU Interface Select signal.
MPU Interface Select signal.
Multi‐font IC Serial Clock Input
Multi‐font IC Serial Data Input
Multi‐font IC Active LOW Chip Enable signal.
Multi‐font IC Serial Data Output
MPU
MPU
MPU
MPU
MPU
MPU
MPU
[4]
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