PCF8576DT NXP Semiconductors, PCF8576DT Datasheet - Page 3

• Manufacturer Part Number: PCF8576DT
• Manufacturer: NXP Semiconductors

Specifications of PCF8576DT

• Operating Supply Voltage (typ): 2.5/3.3/5V
• Number Of Digits: 20
• Number Of Segments: 160
• Package Type: TSSOP
• Pin Count: 56
• Mounting: Surface Mount
• Power Dissipation: 400mW
• Frequency (max): 400KHz
• Operating Supply Voltage (min): 1.8V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / Rohs Status: Supplier Unconfirmed

NXP Semiconductors
5. Block diagram
PCF8576D_9
Product data sheet
Fig 1.
SYNC
Block diagram of PCF8576D
V
OSC
SDA
CLK
SCL
V
V
LCD
DD
SS
CLOCK SELECT
OSCILLATOR
AND TIMING
GENERATOR
FILTERS
LCD BIAS
INPUT
CONTROLLER
POWER-ON
SELECTOR
TIMEBASE
VOLTAGE
BLINKER
I
RESET
2
C-BUS
LCD
SA0
Rev. 09 — 25 August 2009
BP0
PCF8576D
CONTROLLER
COMMAND
DECODER
BACKPLANE
BP2
OUTPUTS
DISPLAY
BP1
BP3
Universal LCD driver for low multiplex rates
WRITE DATA
CONTROL
OUTPUT BANK SELECT
AND BLINK CONTROL
DISPLAY SEGMENT
DISPLAY RAM
REGISTER
40
OUTPUTS
S0 to S39
DISPLAY
4-BIT
40
DATA POINTER AND
A0
AUTO INCREMENT
SUBADDRESS
COUNTER
PCF8576D
A1
© NXP B.V. 2009. All rights reserved.
001aai900
A2
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