參數(shù)資料
型號(hào)： P89LPC902FN
廠(chǎng)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)： 34/55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
34 of 55
9397 750 12293
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
Reset can be triggered from the following sources:
External reset pin (during power-up or if user configured via UCFG1)
Power-on detect
Brownout detect
Watchdog Timer
Software reset
UART break character detect reset (P80LPC903).
For every reset source, there is a flag in the Reset Register, RSTSRC. The user can
read this register to determine the most recent reset source. These flag bits can be
cleared in software by writing a ‘0’ to the corresponding bit. More than one flag bit
may be set:
During a power-on reset, both POF and BOF are set but the other flag bits are
cleared.
For any other reset, previously set flag bits that have not been cleared will remain
set.
8.16 Timers/counters 0 and 1
The P89LPC901/902/903 has two general purpose timers which are similar to the
standard 80C51 Timer 0 and Timer 1. These timers have four operating modes
(modes 0, 1, 2, and 3). Modes 0, 1, and 2 are the same for both Timers. Mode 3 is
different.
8.16.1
Mode 0
Putting either Timer into Mode 0 makes it look like an 8048 Timer, which is an 8-bit
Counter with a divide-by-32 prescaler. In this mode, the Timer register is configured
as a 13-bit register. Mode 0 operation is the same for Timer 0 and Timer 1.
8.16.2
Mode 1
Mode 1 is the same as Mode 0, except that all 16 bits of the timer register are used.
8.16.3
Mode 2
Mode 2 configures the Timer register as an 8-bit Counter with automatic reload.
Mode 2 operation is the same for Timer 0 and Timer 1.
8.16.4
Mode 3
When Timer 1 is in Mode 3 it is stopped. Timer 0 in Mode 3 forms two separate 8-bit
counters and is provided for applications that require an extra 8-bit timer. When
Timer 1 is in Mode 3 it can still be used by the serial port as a baud rate generator.
8.16.5
Mode 6 (P89LPC901)
In this mode, the corresponding timer can be changed to a PWM with a full period of
256 timer clocks.
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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(xiàn)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(xiàn)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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