PCF8558 Datasheet, PDF (3/24 Pages) NXP Semiconductors – Universal LCD driver for small graphic panels

Philips Semiconductors
Universal LCD driver for small graphic
panels
BLOCK DIAGRAM
Objective specification
PCF8558
handbook, full pagewidth
C1 to C101
R1 to R40
VLCD
VDD
VSS
T1
T3
T2
BIAS
VOLTAGE
GENERATOR
COLUMN DRIVERS
DATA LATCHES
CURSOR AND
DATA CONTROL
DISPLAY DATA RAM
505 BYTES
ADDRESS
COUNTER
DATA
REGISTER
PCF8558
I/O BUFFER
SDA SCL
SA0
ROW DRIVERS
SHIFT REGISTER
OSCILLATOR
TIMING
GENERATOR
DISPLAY
ADDRESS
COUNTER
POWER-ON
RESET
OSC
MGG558
1998 Apr 07
Fig.1 Block diagram.
3