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| 型号： | P89LPC925 |
| 厂商： | NXP Semiconductors N.V. |
| 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 |
| 中文描述： | 8 -加速双位单片机80C51的时钟4 KB的核心/ 8 KB的3伏的低功耗Flash 8位A / D转换器 |
| 文件页数： | 6/49页 |
| 文件大小： | 233K |
| 代理商： | P89LPC925 |
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Philips Semiconductors
P89LPC924/925
8-bit microcontrollers with accelerated two-clock 80C51 core
Product data
Rev. 03 — 15 December 2004
6 of 49
9397 750 14471
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
5.2 Pin description
Table 3:
Symbol
P0.0 - P0.7
Pin description
Pin
1, 20, 19,
18, 17, 16,
14, 13
Type
I/O
Description
Port 0:
Port 0 is an 8-bit I/O port with a user-configurable output type. During reset
Port 0 latches are configured in the input only mode with the internal pull-up disabled.
The operation of Port 0 pins as inputs and outputs depends upon the port configuration
selected. Each port pin is configured independently. Refer to
Section 8.13.1 “Port
configurations”
and
Table 8 “DC electrical characteristics”
for details.
The Keypad Interrupt feature operates with Port 0 pins.
All pins have Schmitt triggered inputs.
Port 0 also provides various special functions as described below:
P0.0 —
Port 0 bit 0.
CMP2 —
Comparator 2 output.
KBI0 —
Keyboard input 0.
P0.1 —
Port 0 bit 1.
CIN2B —
Comparator 2 positive input B.
KBI1 —
Keyboard input 1.
AD10 —
ADC1 channel 0 analog input.
P0.2 —
Port 0 bit 2.
CIN2A —
Comparator 2 positive input A.
KBI2 —
Keyboard input 2.
AD11 —
ADC1 channel 1analog input.
P0.3 —
Port 0 bit 3.
CIN1B —
Comparator 1 positive input B.
KBI3 —
Keyboard input 3.
AD12 —
ADC1 channel 2 analog input.
P0.4 —
Port 0 bit 4.
CIN1A —
Comparator 1 positive input A.
KBI4 —
Keyboard input 4.
AD13 —
ADC1 channel 3 analog input.
DAC1 —
Digital-to-analog converter output 1.
P0.5 —
Port 0 bit 5.
CMPREF —
Comparator reference (negative) input.
KBI5 —
Keyboard input 5.
P0.6 —
Port 0 bit 6.
CMP1 —
Comparator 1 output.
KBI6 —
Keyboard input 6.
P0.7 —
Port 0 bit 7.
T1 —
Timer/counter 1 external count input or overflow output.
KBI7 —
Keyboard input 7.
1
I/O
O
I
I/O
I
I
I
I/O
I
I
I
I/O
I
I
I
I/O
I
I
I
I
I/O
I
I
I/O
O
I
I/O
I/O
I
20
19
18
17
16
14
13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| P89LPC9251 | 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 |
| P89LPC9251FDH | 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 |
| P89LPC9251FDH,112 | 功能描述:8位微控制器 -MCU MCU 8-Bit CISC 8KB Flash2.5V/3.3V 20Pin 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 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers with accelerated two-clock 80C51 core 4 kB/8 kB 3 V low-power Flash with 8-bit A/D converter |
| 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 |
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