[4]?
?
Interface?Description?
Parallel?Interface:??
Pin?No.?
Symbol?
External?
Connection?
Function?Description
1?
VSS?
Power?Supply?
Ground
2?
VDD?
Power?Supply?
Supply?Voltage?for?OLED?and?logic.
3?
NC?‐No?Connect
4?
D/C?
MPU?
Register?select?signal.?D/C=0:?Command,
D/C=1:?Data?
5?
R/W?or?/WR?
MPU?
6800‐interface:?
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?
DB0?–?DB7?
MPU?
8‐bit?Bi‐directional?data?bus?lines.
15?
NC?‐No?Connect
16?
/RES?
MPU?
Active?LOW?Reset?signal.
17?
/CS?
MPU?
Active?LOW?Chip?Select?signal.
18?
NC?‐No?Connect
19?
BS1?
MPU?
MPU?Interface?Select?signal.
20?
BS0?
MPU?
MPU?Interface?Select?signal.
?
Serial?Interface:?
Pin?No.?
Symbol?
External?
Connection?
Function?Description
1?
VSS?
Power?Supply?
Ground
2?
VDD?
Power?Supply?
Supply?Voltage?for?OLED?and?logic.
3?
NC?‐No?Connect
4?
D/C?
MPU?
Register?select?signal.?D/C=0:?Command,
D/C=1:?Data?
Tie?LOW?for?3‐wire?Serial?Interface.?
5‐6?
VSS?
Power?Supply?
Ground
7?
SCLK?
MPU?
Serial?Clock?signal.
8?
SDIN?
MPU?
Serial?Data?Input?signal.
9?
NC?‐No?Connect
10‐14?
VSS?
Power?Supply?
Ground
15?
NC?‐No?Connect
16?
/RES?
MPU?
Active?LOW?Reset?signal.
17?
/CS?
MPU?
Active?LOW?Chip?Select?signal.
18?
NC?‐No?Connect
19?
BS1?
MPU?
MPU?Interface?Select?signal.
20?
BS0?
MPU?
MPU?Interface?Select?signal.
?
MPU?Interface?Pin?Selections?
Pin?
Name?
6800?Parallel?
8‐bit?interface?
8080?Parallel?
8‐bit?interface?
3‐wire?
Serial?
Interface?
4‐wire?
Serial?
Interface?
BS1?
1?
1?
0?
0
BS0?
1?
0?
1?
0
?
?
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