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P89LPC954 Datasheet(PDF) 4 Page - NXP Semiconductors

Part # P89LPC954
Description  8-bit microcontroller with accelerated two-clock 80C51 core 8 kB/16 kB 3 V byte-erasable flash with 10-bit ADC
PDF  69 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

P89LPC954 Datasheet(HTML) 4 Page - NXP Semiconductors

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P89LPC952_954_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 24 July 2008
4 of 69
NXP Semiconductors
P89LPC952/954
8-bit microcontroller with 10-bit ADC
4.
Block diagram
(1) 44-pin package.
(2) 48-pin package.
Fig 1.
Block diagram
ACCELERATED 2-CLOCK 80C51 CPU
8 kB/16 kB
CODE FLASH
256-BYTE
DATA RAM
PORT 2
CONFIGURABLE I/Os
PORT 1
CONFIGURABLE I/Os
PORT 0
CONFIGURABLE I/Os
KEYPAD
INTERRUPT
PROGRAMMABLE
OSCILLATOR DIVIDER
CPU
clock
CONFIGURABLE
OSCILLATOR
ON-CHIP RC
OSCILLATOR WITH
CLOCK DOUBLER
internal
bus
CRYSTAL
OR
RESONATOR
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aab305
UART0
ANALOG
COMPARATORS
256-BYTE
AUXILIARY RAM
I2C-BUS
PORT 3
CONFIGURABLE I/Os
DEBUGGER
INTERFACE
P89LPC952/954
WATCHDOG TIMER
AND OSCILLATOR
TIMER 0
TIMER 1
REAL-TIME CLOCK/
SYSTEM TIMER
SPI
ADC0
P3[1:0]
P2[5:0](1)
P2[7:0](2)
PORT 4
CONFIGURABLE I/Os
PORT 5
CONFIGURABLE I/Os
P5[7:0]
P4[7:0]
P1[7:0]
P0[7:0]
XTAL2
XTAL1
TXD0
RXD0
UART1
TXD1
RXD1
SCL
SDA
T0
T1
CMP2
CIN2B
TCLK
TRIG
TDI
CIN2A
CMP1
CIN1A
CIN1B
AD00
AD01
AD02
AD03
AD04
AD05
AD06
AD07
SPICLK
MOSI
MISO
SS



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