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P89LPC9402 Datasheet(PDF) 6 Page - NXP Semiconductors

Part # P89LPC9402
Description  8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment 4 LCD driver
PDF  60 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

P89LPC9402 Datasheet(HTML) 6 Page - NXP Semiconductors

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P89LPC9402_1
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 01 — 22 April 2009
6 of 60
NXP Semiconductors
P89LPC9402
8-bit microcontroller with accelerated two-clock 80C51 core
5.
Functional diagram
Fig 3.
LCD display controller block diagram
002aab470
LCD
VOLTAGE
SELECTOR
BACKPLANE
OUTPUTS
INPUT
BANK
SELECTOR
POWER-
ON
RESET
DISPLAY
RAM
40
× 4 BITS
OUTPUT
BANK
SELECTOR
SUB-
ADDRESS
COUNTER
DATA
POINTER
BLINKER
TIMING
OSCILLATOR
DISPLAY
CONTROLLER
COMMAND
DECODER
I2C-BUS
CONTROLLER
INPUT
FILTERS
DISPLAY SEGMENT OUTPUTS
LCD BIAS
GENERATOR
BP0
A0
A1
A2
BP1 BP2 BP3
S[31:0]
DISPLAY LATCH
SHIFT REGISTER
SA0
SDA_LCD
SCL_LCD
OSC
SYNC
CLK
VSS
VDD
VLCD
Fig 4.
P89LPC9402 functional diagram
VDD
VSS
PORT 0
PORT 3
TXD
RXD
T0
INT0
INT1
RST
SCL
SDA
002aae472
CMP2
CIN2B
CIN2A
CIN1B
CIN1A
CMPREF
CMP1
T1
XTAL2
XTAL1
KBI0
KBI1
KBI2
KBI3
KBI4
KBI5
KBI6
KBI7
CLKOUT
MOSI
MISO
SPICLK
PORT 1
PORT 2
SCL
SDA
BP[0:3]
S[0:31]
P89LPC9402



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