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P89LPC9401 Datasheet(PDF) 6 Page - NXP Semiconductors

No. de Pieza. P89LPC9401
Descripción  8-bit microcontroller with accelerated two-clock 80C51 core 8 kB 3 V byte-erasable flash with 32 segment x 4 LCD driver
Descarga  59 Pages
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Fabricante  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
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P89LPC9401 Datasheet(HTML) 6 Page - NXP Semiconductors

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P89LPC9401_1
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet
Rev. 01 — 5 September 2005
6 of 59
Philips Semiconductors
P89LPC9401
8-bit two-clock 80C51 microcontroller with 32 segment
× 4 LCD driver
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
S0 TO S39
DISPLAY LATCH
SHIFT REGISTER
SA0
SDA
SCL
OSC
SYNC
CLK
VSS
VDD
VLCD
Fig 4.
P89LPC9401 functional diagram
VDD
VSS
PORT 0
PORT 3
TXD
RXD
T0
INT0
INT1
RST
SCL
SDA
002aab462
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]
P89LPC9401


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