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