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P89LPC903 데이터 시트보기 (PDF) - Philips Electronics
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P89LPC903
8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM
Philips Electronics
P89LPC903 Datasheet PDF : 55 Pages
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Philips Semiconductors
4. Block diagram
P89LPC901/902/903
8-bit microcontrollers with two-clock 80C51 core
P89LPC901
HIGH PERFORMANCE
ACCELERATED 2-CLOCK 80C51 CPU
1 kB
CODE FLASH
128-BYTE
DATA RAM
INTERNAL BUS
PORT 3
CONFIGURABLE I/Os
PORT 1
CONFIGURABLE I/Os
PORT 0
CONFIGURABLE I/Os
KEYPAD
INTERRUPT
WATCHDOG TIMER
AND OSCILLATOR
CRYSTAL
OR
RESONATOR
PROGRAMMABLE
OSCILLATOR DIVIDER
CPU
CLOCK
CONFIGURABLE
OSCILLATOR
ON-CHIP
RC
OSCILLATOR
Fig 1. P89LPC901 block diagram.
TIMER 0
TIMER 1
REAL-TIME CLOCK/
SYSTEM TIMER
ANALOG
COMPARATOR
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aaa444
9397 750 12293
Product data
Rev. 04 — 21 November 2003
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
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