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(yè)數(shù)： 33/45頁(yè)
文件大?。?/td> 877K
代理商： P89LPC921
Philips Semiconductors
P89LPC920/921/922
8-bit microcontrollers with two-clock 80C51 core
Product data
Rev. 06 — 21 November 2003
33 of 45
9397 750 12285
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
In-System Programming (ISP):
In-System Programming is performed without
removing the microcontroller from the system. The In-System Programming facility
consists of a series of internal hardware resources coupled with internal firmware to
facilitate remote programming of the P89LPC920/921/922 through the serial port.
This firmware is provided by Philips and embedded within each P89LPC920/921/922
device. The Philips In-System Programming facility has made in-system
programming in an embedded application possible with a minimum of additional
expense in components and circuit board area. The ISP function uses five pins (V
DD
,
V
SS
, TXD, RXD, and RST). Only a small connector needs to be available to interface
your application to an external circuit in order to use this feature. Please see the
P89LPC920/921/922 User’s Manualfor additional details.
In-Application Programming (IAP):
Several In-Application Programming (IAP) calls
are available for use by an application program to permit selective erasing and
programming of Flash sectors, pages, security bits, configuration bytes, and device
identification. All calls are made through a common interface, PGM_MTP. The
programming functions are selected by setting up the microcontroller’s registers
before making a call to PGM_MTP at FF00H. Please see the P89LPC920/921/922
User’s Manualfor additional details.
In-Circuit Programming (ICP):
In-Circuit Programming is a method intended to
allow commercial programmers to program and erase these devices without
removing the microcontroller from the system. The In-Circuit Programming facility
consists of a series of internal hardware resources to facilitate remote programming
of the P89LPC920/921/922 through a two-wire serial interface. Philips has made
in-circuit programming in an embedded application possible with a minimum of
additional expense in components and circuit board area. The ICP function uses five
pins (V
DD
, V
SS
, P0.5, P0.4, and RST). Only a small connector needs to be available
to interface your application to an external programmer in order to use this feature.
8.25 User configuration bytes
A number of user-configurable features of the P89LPC920/921/922 must be defined
at power-up and therefore cannot be set by the program after start of execution.
These features are configured through the use of the Flash byte UCFG1. Please see
the P89LPC920/921/922 User’s Manualfor additional details.
8.26 User sector security bytes
There are two/four/eight User Sector Security Bytes, each corresponding to one
sector. Please see the P89LPC920/921/922 User’s Manualfor additional details.
相關(guān)PDF資料
PDF描述
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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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