UPD16432B NEC, UPD16432B Datasheet - Page 12

• Manufacturer Part Number: UPD16432B
• Description: 1/8/ 1/15 DUTY LCD CONTROLLER/DRIVER
• Manufacturer: NEC

(2) Data Setting Command
(3) Address Setting Command
12
Sets the data write mode, read mode, and address increment mode.
Sets the display data RAM or character display RAM address.
Note If an unspecified address is set, data cannot be written until a correct address is next set. The address
is not incremented even in increment mode.
After powering on
MSB
0
After powering on
MSB
1
1
0
b4
0
b3
0
b3
0
b2
0
b2
0
b1
0
b1
0
LSB
b0
0
LSB
b0
0
Data write mode/read mode setting
Address increment mode setting
(Display data RAM, character display RAM)
000: Write to display data RAM
001: Write to character display RAM
010: Write to CGRAM
011: Write to LED output latch
100: Read key data
0: Increment after data write
1: Address fixed
Address
: Don’t Care
Display data RAM
Character display RAM
CGRAM
: Don’t Care
: 00H to 18H
: 00H to 07H
: 00H to 0FH
PD16432B