pcf8535 NXP Semiconductors, pcf8535 Datasheet - Page 4

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pcf8535

Manufacturer Part Number
pcf8535
Description
65 X 133 Pixel Matrix Driver
Manufacturer
NXP Semiconductors
Datasheet
Philips Semiconductors
5
2001 Nov 07
handbook, full pagewidth
65
BLOCK DIAGRAM
133 pixel matrix driver
V LCDSENSE
V LCDOUT
T1, T2, T3
SDAOUT
V LCDIN
T4, T5
V SS1
V SS2
SDA
SCL
GENERATOR
GENERATOR
VOLTAGE
FILTERS
INPUT
V LCD
BIAS
R0 to R64
DRIVERS
ROW
PCF8535
65
Fig.1 Block diagram.
CONTROL
SA1
I
2
DISPLAY DATA RAM
C-BUS
DATA LATCHES
MATRIX DATA
SA0
C0 to C132
LATCHES
DRIVERS
COLUMN
MATRIX
RAM
4
133
COMMAND
DECODER
V DD1
POWER-ON RESET
INTERNAL
RESET
V DD2
OSCILLATOR
GENERATOR
COUNTER
COUNTER
ADDRESS
ADDRESS
DISPLAY
TIMING
V DD3
MGS669
RES
OSC
Product specification
PCF8535

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