UPD16432B NEC, UPD16432B Datasheet - Page 2

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

BLOCK DIAGRAM
2
LCD OFF
Output Latch
RESET
4-Bit LED
SYNC
DATA
Driver
SCK
STB
LED
4
4
4
Serial I/F
Parallel/Serial Conversion
RAM
5
CG
16
5
7
5
65-Bit Shift Register
CG ROM
65-Bit Output Latch
Segment Driver
7
5
240
Command
Decoder
65
65
8
8
Data RAM
Display
8
25
5
5
5
Character
5
2
Display
64 Bits
RAM
8
15-Bit Shift Register
Timing Generator
Common Driver
Key Data
15
RAM
4
OSC
8
OSC
OSC
PD16432B
KEY
KEY
OUT
IN
1
4