PT6553_10 Datasheet, PDF (2/41 Pages) Princeton Technology Corp – LCD Driver IC with Key Input Function

LCD Driver IC with Key Input Function
BLOCK DIAGRAM
COM1 COM2 COM3
SG40
Tel: [phone]
Fax: [phone]
URL: http://www.princeton.com.tw
PT6553
SG5 SG4/P4 SG3/P3 SG2/P2 SG1/P1
TEST
COMMON
DRIVER
SEGMENT DRIVER & LATCH
OSC
DO
DI
CLK
CE
VDD
VDD1
VDD2
VSS
CLOCK
GENERATOR
INTERFACE
VDET
SHIFT REGISTER
CONTROL
REGISTER
KEY BUFFER
KEY SCAN
KI5
KI1 KO6 KO3 SG42/KO2 SG41/KO1
PT6553 V1.7
-2-
November, 2007