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P89LPC921 Scheda tecnica(PDF) 4 Page - NXP Semiconductors

Il numero della parte P89LPC921
Spiegazioni elettronici  8-bit microcontrollers with two-clock 80C51 core 2 kB/4 kB/8 kB 3 V low-power Flash with 256-byte data RAM
PDF  45 Pages
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Produttore elettronici  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P89LPC921 Scheda tecnica(HTML) 4 Page - NXP Semiconductors

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Philips Semiconductors
P89LPC920/921/922
8-bit microcontrollers with two-clock 80C51 core
Product data
Rev. 06 — 21 November 2003
4 of 45
9397 750 12285
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
4.
Block diagram
Fig 1.
Block diagram.
HIGH PERFORMANCE
ACCELERATED 2-CLOCK 80C51 CPU
2 kB/4 kB/8 kB
CODE FLASH
256-BYTE
DATA RAM
PORT 3
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
INTERNAL BUS
CRYSTAL
OR
RESONATOR
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aaa410
UART
REAL-TIME CLOCK/
SYSTEM TIMER
I2C
TIMER 0
TIMER 1
WATCHDOG TIMER
AND OSCILLATOR
ANALOG
COMPARATORS
P89LPC920/921/922



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