PCF8576CT NXP Semiconductors, PCF8576CT Datasheet - Page 3

• Manufacturer Part Number: PCF8576CT
• Manufacturer: NXP Semiconductors

Specifications of PCF8576CT

• Operating Supply Voltage (typ): 2.5/3.3/5V
• Number Of Digits: 20
• Number Of Segments: 160
• Package Type: VSO
• Pin Count: 56
• Mounting: Surface Mount
• Power Dissipation: 400mW
• Frequency (max): 315KHz
• Operating Supply Voltage (min): 2V
• Operating Supply Voltage (max): 6V
• Lead Free Status / Rohs Status: Compliant

NXP Semiconductors
5. Block diagram
PCF8576C_9
Product data sheet
Fig 1.
SYNC
V
OSC
SDA
V
CLK
SCL
V
LCD
DD
SS
Block diagram of PCF8576C
OSCILLATOR
FILTERS
TIMING
INPUT
GENERATOR
LCD BIAS
POWER-
RESET
BLINKER
ON
CONTROLLER
I
2
C-BUS
SELECTOR
VOLTAGE
SA0
LCD
CONTROLLER
COMMAND
DECODER
Rev. 09 — 9 July 2009
BP0 BP2 BP1 BP3
DISPLAY
PCF8576C
BACKPLANE
OUTPUTS
Universal LCD driver for low multiplex rates
SELECTOR
INPUT
BANK
DISPLAY SEGMENT OUTPUTS
SHIFT REGISTER
DISPLAY LATCH
40 × 4 BITS
S0 to S39
POINTER
DISPLAY
DATA
RAM
40
PCF8576C
© NXP B.V. 2009. All rights reserved.
SELECTOR
A0
OUTPUT
ADDRESS
COUNTER
BANK
SUB-
A1
013aaa094
A2
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