SS1621B-48SSOP Shenzhen SI Semiconductors Co., LTD., SS1621B-48SSOP Datasheet - Page 2

• Manufacturer Part Number: SS1621B-48SSOP
• Description: RAM Mapping 32 X 4 LCD Controller for I/O uC
• Manufacturer: Shenzhen SI Semiconductors Co., LTD.

Block Diagram
Note: CS : Chip selection
BZ, BZ : Tone outputs
WR , RD , DATA: Serial interface
IRQ : Time base or WDT overflow output
COM0~COM3, SEG0~SEG31: LCD outputs
OSCO
DATA
OSCI
GND
VDD
WR
BZ
BZ
CS
RD
Generator
Generator
Control
Timing
Logic
Tone
&
Time Base Generator
Watchdog Timer
p. 2
Display Memory
Bias Circuit
&
LCD Driver
&
Last update: 2008-06-03 04:36
VLCD
COM3
SEG0
SEG31
IRQ
COM0
SS1621