PCF8531U データシートの表示（PDF） - Philips Electronics
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PCF8531U Datasheet PDF : 44 Pages
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Philips Semiconductors
34 × 128 pixel matrix driver
6 BLOCK DIAGRAM
Product specification
PCF8531
handbook, full pagewidth
VSS1
VSS2
T1
T2
T3
T4
VLCDIN
VLCDSENSE
VLCDOUT
R0 to R33
34
ROW
DRIVERS
C0 to C127
128
COLUMN
DRIVERS
VDD1 VDD2 VDD3
POWER-ON RESET
PCF8531
INTERNAL
RESET
BIAS
VOLTAGE
GENERATOR
VLCD
GENERATOR
DATA LATCHES
MATRIX
LATCHES
DISPLAY DATA RAM
MATRIX DATA
RAM
OSCILLATOR
TIMING
GENERATOR
DISPLAY
ADDRESS
COUNTER
ENR
RES
OSC
SCL
SDA
SDACK
INPUT
FILTERS
I2C-BUS
CONTROL
SA0
COMMAND
DECODER
ADDRESS
COUNTER
MGS465
Fig.1 Block diagram.
1999 Aug 10
4
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