UPD16488AP NEC [NEC], UPD16488AP Datasheet - Page 57

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

6.3 Reset Command (R2)
memory are retained.
6.4 X Address Register (R3)
incremented each time the display RAM is accessed (INC = 0, RMW = 0).
Default settings (initial values set by reset command)
6.5 Y Address Register (R4)
incremented each time the display RAM is accessed (INC = 1, RMW = 0).
Default settings (initial values set by reset command)
When this command is input, the IC's registers (R0 to R44) are reset to their initial values. However, the contents of
Always input the reset command as the first command after power application.
The X address register specifies the X address in the display RAM accessed by the CPU. This address is automatically
The Y address register specifies the Y address in the display RAM accessed by the CPU. This address is automatically
RS
RS
RS
D
D
1
1
−
1
−
7
7
D
D
D
D
D
0
−
−
−
0
7
7
6
7
6
YA6
D
D
D
D
D
0
−
−
0
6
6
5
6
5
YA5
D
D
D
D
D
0
−
0
0
5
5
4
5
4
YA4
XA4
D
D
D
D
D
0
0
0
4
4
3
4
3
XA3
YA3
D
D
D
D
D
Data Sheet S15745EJ2V0DS
0
0
0
3
3
2
3
2
XA2
YA2
D
D
D
D
D
0
0
0
2
2
1
2
1
XA1
YA1
D
D
D
D
D
0
0
0
1
1
0
1
0
XA0
YA0
D
D
D
1
0
0
0
µ µ µ µ PD16488A
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