參數(shù)資料
型號(hào): P89LPC954FA,529
廠商: NXP Semiconductors
文件頁(yè)數(shù): 42/69頁(yè)
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(cè)/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
47 of 69
NXP Semiconductors
P89LPC952/954
8-bit microcontroller with 10-bit ADC
8.
ADC
8.1 General description
The P89LPC952/954 has a 10-bit, 8-channel multiplexed successive approximation ADC
module. A block diagram of the ADC is shown in Figure 17. The ADC consists of an
8-input multiplexer which feeds a sample-and-hold circuit providing an input signal to one
of two comparator inputs. The control logic in combination with the SAR drives a DAC
which provides the other input to the comparator. The output of the comparator is fed to
the SAR.
8.2 Features
I 10-bit, 8-channel multiplexed input, successive approximation ADC.
I Eight result register pairs.
I Six operating modes:
N Fixed channel, single conversion mode.
N Fixed channel, continuous conversion mode.
N Auto scan, single conversion mode.
N Auto scan, continuous conversion mode.
N Dual channel, continuous conversion mode.
N Single step mode.
I Three conversion start modes:
N Timer triggered start.
N Start immediately.
N Edge triggered.
I 10-bit conversion time of 4 s at an A/D clock of 9 MHz.
I Interrupt or polled operation.
I High and low boundary limits interrupt; selectable in or out-of-range.
I Clock divider.
I Power-down mode.
8.3 Block diagram
Fig 17. ADC block diagram
+
comp
DAC0
SAR
8
INPUT
MUX
CONTROL
LOGIC
CCLK
002aab103
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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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