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| 型号： | P89LPC925FDH |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 8位微控制器 |
| 英文描述： | 8-bit microcontrollers with accelerated two-clock 80C51 core 4 kB-8 kB 3 V low-power Flash with 8-bit A-D converter |
| 封装： | P89LPC924FDH<SOT360-1 (TSSOP20)|<<http://www.nxp.com/packages/SOT360-1.html<1<Always Pb-free,;P89LPC925FDH<SOT360-1 (TSSOP20)|<<http://www.nxp.com/packages/SOT360-1.html& |
| 文件页数： | 47/49页 |
| 文件大小： | 233K |
| 代理商： | P89LPC925FDH |
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Philips Semiconductors
P89LPC924/925
8-bit microcontrollers with accelerated two-clock 80C51 core
Product data
Rev. 03 — 15 December 2004
7 of 49
9397 750 14471
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
P1.0 - P1.7
12, 11, 10,
9, 8, 4, 3,
2
I/O, I [1] Port 1: Port 1 is an 8-bit I/O port with a user-congurable output type, except for three
pins as noted below. During reset Port 1 latches are congured in the input only mode
with the internal pull-up disabled. The operation of the congurable Port 1 pins as inputs
and outputs depends upon the port conguration selected. Each of the congurable
port pins are programmed independently. Refer to Section 8.13.1 “Port congurations”
and Table 8 “DC electrical characteristics” for details. P1.2 - P1.3 are open drain when
used as outputs. P1.5 is input only.
All pins have Schmitt triggered inputs.
Port 1 also provides various special functions as described below:
12
I/O
P1.0 — Port 1 bit 0.
O
TXD — Transmitter output for the serial port.
11
I/O
P1.1 — Port 1 bit 1.
I
RXD — Receiver input for the serial port.
10
I/O
P1.2 — Port 1 bit 2 (open-drain when used as output).
I/O
T0 — Timer/counter 0 external count input or overow output (open-drain when used as
output).
I/O
SCL — I2C serial clock input/output.
9
I/O
P1.3 — Port 1 bit 3 (open-drain when used as output).
I
INT0 — External interrupt 0 input.
I/O
SDA — I2C serial data input/output.
8
I/O
P1.4 — Port 1 bit 4.
I
INT1 — External interrupt 1 input.
4I
P1.5 — Port 1 bit 5 (input only).
I
RST — External Reset input (if selected via FLASH conguration). A LOW on this pin
resets the microcontroller, causing I/O ports and peripherals to take on their default
states, and the processor begins execution at address 0. When using an oscillator
frequency above 12 MHz, the reset input function of P1.5 must be enabled. An
external circuit is required to hold the device in reset at power-up until VDD has
reached its specied level. When system power is removed VDD will fall below the
minimum specied operating voltage. When using an oscillator frequency above
12 MHz, in some applications, an external brownout detect circuit may be
required to hold the device in reset when VDD falls below the minimum specied
operating voltage.
3
I/O
P1.6 — Port 1 bit 6.
2
I/O
P1.7 — Port 1 bit 7.
Table 3:
Pin description…continued
Symbol
Pin
Type
Description
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相关代理商/技术参数 |
参数描述 |
|---|---|
| P89LPC925FDH,529 | 功能描述:8位微控制器 -MCU 80C51 8K FL 256B RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P89LPC925FDH-S | 制造商:NXP Semiconductors 功能描述:MCU 8-bit P89 80C51 CISC 8KB Flash 2.5V/3.3V 20-Pin TSSOP |
| P89LPC925FN,129 | 功能描述:8位微控制器 -MCU 8K FL/256B RAM/I2C/UART/ADC RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P89LPC925FN-S | 功能描述:8位微控制器 -MCU 80C51 8K FL 256B RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| P89LPC92X1 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 2 kB/4 kB/8 kB 3 V byte-erasable flash with 8-bit ADC |
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