参数资料
型号: P89LPC972FN,129
厂商: NXP Semiconductors
文件页数: 34/66页
文件大小: 0K
描述: MCU 80C51 8KB FLASH 20DIP
标准包装: 18
系列: LPC900
核心处理器: 8051
芯体尺寸: 8-位
速度: 18MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 18
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.4 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-DIP(0.300",7.62mm)
包装: 管件
其它名称: 568-8749-5
P89LPC972FN,129-ND
P89LPC97X
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 3 — 8 June 2010
4 of 66
NXP Semiconductors
P89LPC970/971/972
8-bit microcontroller with accelerated two-clock 80C51 core
4.
Block diagram
(1) For pin remap
Fig 1.
Block diagram
ACCELERATED 2-CLOCK 80C51 CPU
2 kB/4 kB/8 kB
CODE FLASH
256-BYTE
DATA RAM
PORT 1
CONFIGURABLE I/Os
PORT 0
CONFIGURABLE I/Os
KEYPAD
INTERRUPT
PROGRAMMABLE
OSCILLATOR DIVIDER
CPU
clock
CONFIGURABLE
OSCILLATOR
ON-CHIP RC
OSCILLATOR
WITH CLOCK
DOUBLER
internal bus
POWER MANAGEMENT
(POWER-ON RESET,
BROWNOUT RESET,
REGULATORS)
002aae550
UART
ANALOG
COMPARATORS
I2C-BUS
PORT 3
CONFIGURABLE I/Os
P89LPC970/971/972
WATCHDOG TIMER
AND OSCILLATOR
TIMER 0
TIMER 1
REAL-TIME CLOCK/
SYSTEM TIMER
SPI
P3[1:0]
P1[7:0]
P0[7:0]
TXD
RXD
SCL
SDA
T0
T1
CMP2
CIN2B
CIN2A
CMP1
CIN1A
CIN1B
TIMER 2
TIMER 3
TIMER 4
T2
T2EX
T3
T3EX
T4
T4EX
SPICLK(1)
MOSI(1)
MISO(1)
SS(1)
CRYSTAL
OR
RESONATOR
XTAL2
XTAL1
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