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PCF8545 датащи(PDF) 3 Page - NXP Semiconductors

номер детали PCF8545
подробное описание детали  Universal LCD driver for multiplex rates up to 1:8
PDF  68 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8545 датащи(HTML) 3 Page - NXP Semiconductors

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NXP Semiconductors
PCF8545
Universal LCD driver for multiplex rates up to 1:8
5 Block diagram
aaa-008319
LCD
VOLTAGE
SELECTOR
PRESCALER
AND TIMING
INPUT
FILTERS
POWER-ON
RESET
OSCCLK
SCL
SDA
A0
BACKPLANE
OUTPUTS
BP0 to BP3
DISPLAY SEGMENT
OUTPUTS
DISPLAY REGISTER
S0 to S39
PCF8545A
LCD BIAS
GENERATOR
VSS
VDD
COMMAND
DECODER
WRITE DATA
CONTROL
VLCD
OSCILLATOR
AND CLOCK
SELECTION
I2C-BUS
CONTROLLER
DATA POINTER,
AUTO INCREMENT
DISPLAY RAM
RESET
BP4 to BP7/
S40 to S43
Figure 1. Block diagram of PCF8545A
PCF8545
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 2 — 4 October 2021
3 / 68



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