參數(shù)資料
型號(hào)： P89LPC902FN
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 微控制器/微處理器
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-BIT, FLASH, 7.3728 MHz, MICROCONTROLLER, PDIP8
封裝： 0.300 INCH, PLASTIC, MO-001, SOT-97-1, DIP-8
文件頁(yè)數(shù)： 30/55頁(yè)
文件大?。?/td> 1236K
代理商： P89LPC902FN
Philips Semiconductors
P89LPC901/902/903
8-bit microcontrollers with two-clock 80C51 core
Product data
Rev. 04 — 21 November 2003
30 of 55
9397 750 12293
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
8.12 I/O ports
The P89LPC901 has between 3 and 6 I/O pins: P0.4, P0.5, P1.2, P1.5, P3.0, and
P3.1 The exact number of I/O pins available depends on the clock and reset options
chosen, as shown in
Table 11
.
The P89LPC902 and P89LPC903 devices have either 5 or 6 I/O pins depending on
the reset pin option chosen.
8.12.1
Port configurations
All but one I/O port pin on the P89LPC901/902/903 may be configured by software to
one of four types on a bit-by-bit basis. These are: quasi-bidirectional (standard 80C51
port outputs), push-pull, open drain, and input-only. Two configuration registers for
each port select the output type for each port pin.
P1.5 (RST) can only be an input and cannot be configured.
Fig 17. Interrupt sources, interrupt enables, and power-down wake-up sources (P89LPC903).
002aaa452
BOPD
EBO
KBIF
EKBI
INTERRUPT
TO CPU
WAKE-UP
(IF IN POWER-DOWN)
EWDRT
CMF
EC
EA (IE0.7)
RTCF
ERTC
(RTCCON.1)
WDOVF
TF1
ET1
TI & RI/RI
ES/ESR
TI
EST
TF0
ET0
Table 11:
Clock source
Number of I/O pins available
Reset option
Number of I/O pins
(8-pin package)
6
5
5
4
4
3
On-chip oscillator or Watchdog oscillator
No external reset (except during power-up)
External RST pin supported
No external reset (except during power-up)
External RST pin supported
No external reset (except during power-up)
External RST pin supported
External clock input
Low/medium/high speed oscillator
(external crystal or resonator)
相關(guān)PDF資料
PDF描述
P89LPC903 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P89LPC902FN,129 功能描述:8位微控制器 -MCU 80C51 1K FL 128B 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
P89LPC902FN.129 制造商:NXP Semiconductors 功能描述:8BIT MCU 1K FLASH 89LC902 DIP8
P89LPC903 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM
P89LPC903FD 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM
P89LPC903FD,112 功能描述:8位微控制器 -MCU 80C51 1K FL 128B 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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