參數(shù)資料
型號(hào): P89LPC954FA,529
廠商: NXP Semiconductors
文件頁數(shù): 35/69頁
文件大?。?/td> 0K
描述: IC 80C51 MCU FLASH 16K 44PLCC
標(biāo)準(zhǔn)包裝: 26
系列: LPC900
核心處理器: 8051
芯體尺寸: 8-位
速度: 18MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 40
程序存儲(chǔ)器容量: 16KB(16K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 512 x 8
電壓 - 電源 (Vcc/Vdd): 2.4 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
配用: 568-1759-ND - EMULATOR DEBUGGER/PROGRMMR LPC9X
其它名稱: 568-7916-5
568-7916-5-ND
568-8268
935284301529
P89LPC954FA,529-ND
P89LPC954FA-S
P89LPC954FA-S-ND
P89LPC952_954_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 24 July 2008
40 of 69
NXP Semiconductors
P89LPC952/954
8-bit microcontroller with 10-bit ADC
7.22 Analog comparators
Two analog comparators are provided on the P89LPC952/954. Input and output options
allow use of the comparators in a number of different congurations. Comparator
operation is such that the output is a logical one (which may be read in a register and/or
routed to a pin) when the positive input (one of two selectable pins) is greater than the
negative input (selectable from a pin or an internal reference voltage). Otherwise the
output is a zero. Each comparator may be congured to cause an interrupt when the
output value changes.
The overall connections to both comparators are shown in Figure 15. The comparators
function to VDD = 2.4 V.
When each comparator is rst enabled, the comparator output and interrupt ag are not
guaranteed to be stable for 10
s. The corresponding comparator interrupt should not be
enabled during that time, and the comparator interrupt ag must be cleared before the
interrupt is enabled in order to prevent an immediate interrupt service.
Fig 14. SPI single master multiple slaves conguration
002aaa903
master
slave
8-BIT SHIFT
REGISTER
SPI CLOCK
GENERATOR
8-BIT SHIFT
REGISTER
MISO
MOSI
SPICLK
port
MISO
MOSI
SPICLK
SS
slave
8-BIT SHIFT
REGISTER
MISO
MOSI
SPICLK
SS
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P89LPC954FBD48 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 8 kB/16 kB 3 V byte-erasable flash with 10-bit ADC
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