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P89LPC985FDH Datasheet(PDF) 4 Page - NXP Semiconductors

Part # P89LPC985FDH
Description  8-bit microcontroller with accelerated two-clock 80C51 core, 4 kB/8 kB wide-voltage byte-erasable flash with 10-bit ADC
PDF  85 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

P89LPC985FDH Datasheet(HTML) 4 Page - NXP Semiconductors

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P89LPC980_982_983_985_2
© NXP B.V. 2010. All rights reserved.
Preliminary data sheet
Rev. 02 — 8 February 2010
4 of 85
NXP Semiconductors
P89LPC980/982/983/985
8-bit microcontroller with accelerated two-clock 80C51 core
4.
Block diagram
Fig 1.
P89LPC980/982 block diagram
ACCELERATED 2-CLOCK 80C51 CPU
8 kB/4 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
POWER MANAGEMENT
(POWER-ON RESET,
BROWNOUT RESET,
REGULATORS)
002aae532
UART
ANALOG
COMPARATORS
256-BYTE
AUXILIARY RAM
(P89LPC982)
I2C-BUS
PORT 3
CONFIGURABLE I/Os
P89LPC980/982
WATCHDOG TIMER
AND OSCILLATOR
TIMER 0
TIMER 1
REAL-TIME CLOCK/
SYSTEM TIMER
SPI
P3[1:0]
P2[7:0]
P1[7:0]
P0[7:0]
TXD
RXD
SCL
SDA
T0
T1
CMP2
CIN2B
CIN2A
CMP1
CIN1A
CIN1B
TIMER 2
TIMER 3
TIMER 4
T2
T2EX
T3
T3EX
T4
T4EX
SPICLK
MOSI
MISO
SS
CRYSTAL
OR
RESONATOR
XTAL2
XTAL1



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