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零件编号
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P89V51RB2FN 查看數據表(PDF) - NXP Semiconductors.
零件编号
产品描述 (功能)
生产厂家
P89V51RB2FN
8-bit 80C51 5 V low power 16/32/64 kB flash microcontroller with 1 kB RAM
NXP Semiconductors.
P89V51RB2FN Datasheet PDF : 80 Pages
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NXP Semiconductors
4. Block diagram
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
P3[7:0]
P89V51RB2/RC2/RD2
HIGH PERFORMANCE
80C51 CPU
16/32/64 kB
CODE FLASH
1 kB
DATA RAM
internal
bus
PORT 3
P2[7:0]
PORT 2
P1[7:0]
PORT 1
P0[7:0]
CRYSTAL
OR
RESONATOR
XTAL1
XTAL2
PORT 0
OSCILLATOR
Fig 1. Block diagram
UART
TIMER 0
TIMER 1
TIMER 2
SPI
PCA
PROGRAMMABLE
COUNTER ARRAY
WATCHDOG TIMER
TXD
RXD
T0
T1
T2
T2EX
SPICLK
MOSI
MISO
SS
CEX[4:0]
002aac772
P89V51RB2_RC2_RD2_5
Product data sheet
Rev. 05 — 12 November 2009
© NXP B.V. 2009. All rights reserved.
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