Datasheet

UM10398 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
User manual Rev. 12.3 — 10 June 2014 17 of 547
NXP Semiconductors
UM10398
Chapter 1: LPC111x/LPC11Cxx Introductory information
Fig 4. LPC11D14 block diagram
SCL, SDA
LCD_SCL, LCD_SDA
V
LCD
LPC1114
MCU
PCF8576D
LCD
CONTROLLER
PIO0, PIO1, PIO2, PIO3
S[39:0]
BP[3:0]
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Fig 5. PCF8576D block diagram
40
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LCD BIAS
GENERATOR
LCD
VOLTAGE
SELECTOR
PCF8576D
BACKPLANE
OUTPUTS
DISPLAY
CONTROLLER
COMMAND
DECODER
WRITE DATA
CONTROL
DISPLAY RAM
40 x 4-BIT
OUTPUT BANK SELECT
AND BLINK CONTROL
DISPLAY
REGISTER
DISPLAY SEGMENT
OUTPUTS
DATA POINTER AND
AUTO INCREMENT
SUBADDRESS
COUNTER
CLOCK SELECT
AND TIMING
OSCILLATOR
INPUT
FILTERS
BLINKER
TIMEBASE
POWER-ON
RESET
I
2
C-BUS
CONTROLLER
BP0 BP2 BP1 BP3
V
DD(LCD)
OSC
SYNC
S0 to S39
LCD_SDA
LCD_SCL
CLK
V
SS(LCD)
V
SS(LCD)
V
SS(LCD)
V
SS(LCD)
V
LCD
A0SA0 A1 A2