PCF8531U2D Ver la hoja de datos (PDF) - NXP Semiconductors.
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PCF8531U2D Datasheet PDF : 51 Pages
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NXP Semiconductors
5. Block diagram
PCF8531
34 x 128 pixel matrix driver
VSS1
VSS2
T1
T2
T3
T4
VLCDIN
VLCDSENSE
VLCDOUT
R0 to R33
C0 to C127
34
ROW
DRIVERS
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
Fig 1. Block diagram of PCF8531
COMMAND
DECODER
ADDRESS
COUNTER
mgs465
PCF8531
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 16 May 2011
© NXP B.V. 2011. All rights reserved.
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