PCF8579T Просмотр технического описания (PDF) - NXP Semiconductors.
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PCF8579T Datasheet PDF : 41 Pages
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NXP Semiconductors
6. Block diagram
PCF8579
LCD column driver for dot matrix graphic displays
VDD
V3
V4
VLCD
TEST
VSS
POWER-ON
RESET
A3
A2
A1
A0
C39 - C0
COLUMN(1)
DRIVERS
PCF8579
OUTPUT
CONTROLLER
Y DECODER
AND SENSING
AMPLIFIERS
32 × 40 BIT
DISPLAY RAM
DISPLAY
DECODER
X DECODER
SUBADDRESS
COUNTER
RAM DATA POINTER
Y
X
TIMING
GENERATOR
SYNC
CLK
SCL
SDA
INPUT
FILTERS
I2C-BUS
CONTROLLER
COMMAND
DECODER
n.c.
SA0
(1) Operates at LCD voltage levels, all other blocks operate at logic levels.
Fig 1. Block diagram
msa919
PCF8579_5
Product data sheet
Rev. 05 — 11 May 2009
© NXP B.V. 2009. All rights reserved.
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