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| 型号： | P89LPC913 |
| 厂商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM |
| 中文描述： | 8位微控制器两个小时80C51的核心具有1KB 3伏闪光的128字节RAM |
| 文件页数： | 10/63页 |
| 文件大小： | 314K |
| 代理商： | P89LPC913 |
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Philips Semiconductors
P89LPC912/913/914
8-bit microcontrollers with two-clock 80C51 core
Product data
Rev. 03 — 17 December 2004
10 of 63
9397 750 14468
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Table 4:
Symbol
P0.2,
P0.4 to P0.6
P89LPC913 pin description
Pin
Type
I/O
Description
Port 0:
Port 0 is a 4-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
9.11.1 “Port configurations”
and
Table 13 “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:
P0.2 —
Port 0 bit 2.
CIN2A —
Comparator 2 positive input A.
KBI2 —
Keyboard input 2.
P0.4 —
Port 0 bit 4.
CIN1A —
Comparator 1 positive input A.
KBI4 —
Keyboard input 4.
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.
Port 1:
Port 1 is a 3-bit I/O port with a user-configurable output type, except for P1.5
noted below. During reset Port 1 latches are configured in the input only mode with
the internal pull-up disabled. The operation of the configurable Port 1 pins as inputs
and outputs depends upon the port configuration selected. Each of the configurable
port pins are programmed independently. Refer to
Section 9.11.1 “Port
configurations”
and
Table 13 “DC electrical characteristics”
for details. P1.5 is input
only.
All pins have Schmitt triggered inputs.
Port 1 also provides various special functions as described below:
P1.0 —
Port 1 bit 0.
TxD —
Transmitter output for the serial port.
P1.1 —
Port 1 bit 1.
RxD —
Receiver input for the serial port.
P1.5 —
Port 1 bit 5 (input only).
RST —
External Reset input during Power-on or if selected via UCFG1. When
functioning as a reset input, 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. Also used during a power-on sequence to force In-System
Programming mode.
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 V
DD
has reached its specified level.
When system power is removed V
DD
will fall below the minimum specified
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 V
DD
falls below the minimum specified operating voltage.
13
I/O
I
I
I/O
I
I
I/O
I
I
I/O
O
I
I/O
(P1.0,
P1.1);
I (P1.5)
12
11
5
P1.0, P1.1,
P1.5
9
I/O
O
I/O
I
I
I
6
3
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| P89LPC914 | 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| P89LPC913FDH | 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 1K FLASH TSSOP14 |
| P89LPC913FDH,129 | 功能描述:8位微控制器 -MCU 1K FL/128B RAM/SPI 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 |
| P89LPC913FDH129 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| P89LPC913FDH-S | 功能描述:8位微控制器 -MCU 1K FL/128B RAM/SPI 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 |
| P89LPC914 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM |
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