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P87LPC778 データシートの表示(PDF) - Philips Electronics
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P87LPC778
CMOS single-chip 8-bit 80C51 microcontroller with 128-byte data RAM, 8 kB OTP
Philips Electronics
P87LPC778 Datasheet PDF : 79 Pages
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4. Block diagram
P87LPC778
CMOS single-chip 8-bit microcontroller
ACCELERATED
80C51 CPU
8 kB
CODE EPROM
INTERNAL BUS
128-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
CRYSTAL
OR
RESONATOR
CONFIGURABLE
OSCILLATOR
ON-CHIP
RC
OSCILLATOR
Fig 1. Block diagram.
UART
I
2
C
TIMER 0, 1
WATCHDOG TIMER
AND OSCILLATOR
ANALOG
COMPARATORS
A/D CONVERTER
PULSE WIDTH
MODULATOR
POWER MONITOR
(POWER-ON RESET,
BROWNOUT RESET)
002aaa614
9397 750 12378
Product data
Rev. 01 — 31 March 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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