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參數(shù)資料
| 型號(hào)： | P89LPC921 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | MINIATURE POWER RELAY |
| 中文描述： | 8位微控制器兩個(gè)小時(shí)80C51的核心2鍵盤/ 4 KB的/ 8 KB的3伏的低功耗Flash 256 - RAM的字節(jié)數(shù)據(jù) |
| 文件頁數(shù)： | 7/45頁 |
| 文件大小： | 877K |
| 代理商： | P89LPC921 |
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Philips Semiconductors
P89LPC920/921/922
8-bit microcontrollers with two-clock 80C51 core
Product data
Rev. 06 — 21 November 2003
7 of 45
9397 750 12285
Koninklijke Philips Electronics N.V. 2003. 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-configurable output type, except for three
pins as 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 8.12.1 “Port configurations”
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:
I/O
P1.0 —
Port 1 bit 0.
O
TXD —
Transmitter output for the serial port.
I/O
P1.1 —
Port 1 bit 1.
I
RXD —
Receiver input for the serial port.
I/O
P1.2 —
Port 1 bit 2 (open-drain when used as output).
I/O
T0 —
Timer/counter 0 external count input or overflow output (open-drain when used as
output).
I/O
SCL —
I
2
C serial clock input/output.
I/O
P1.3 —
Port 1 bit 3 (open-drain when used as output).
I
INT0 —
External interrupt 0 input.
I/O
SDA —
I
2
C serial data input/output.
I/O
P1.4 —
Port 1 bit 4.
I
INT1 —
External interrupt 1 input.
I
P1.5 —
Port 1 bit 5 (input only).
I
RST —
External Reset input (if selected via FLASH configuration). 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.
I/O
P1.6 —
Port 1 bit 6.
I/O
P1.7 —
Port 1 bit 7.
12
11
10
9
8
4
3
2
Table 3:
Symbol
Pin description
…continued
Pin
Type
Description
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| P89LPC9211 | 制造商:PHILIPS 制造商全稱: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 |
| P89LPC9211FDH | 制造商:PHILIPS 制造商全稱: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 |
| P89LPC9211FDH,112 | 功能描述:8位微控制器 -MCU MCU 8-Bit CISC 4KB Flash2.5V/3.3V 20Pin RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| P89LPC921FDH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers with two-clock 80C51 core 2 kB/4 kB/8 kB 3 V low-power Flash with 256-byte data RAM |
| P89LPC921FDH,512 | 功能描述:8位微控制器 -MCU 80C51 4K FL 256B RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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