參數(shù)資料
型號： P89LPC9331FDH,512
廠商： NXP Semiconductors
文件頁數(shù)： 47/94頁
文件大?。?/td> 0K
描述： IC 80C51 MCU FLASH 4K 28-TSSOP
標(biāo)準(zhǔn)包裝： 51
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)： 26
程序存儲器容量： 4KB（4K x 8）
程序存儲器類型： 閃存
RAM 容量： 256 x 8
電壓 - 電源 (Vcc/Vdd)： 2.4 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x8b; D/A 2x8b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 28-TSSOP（0.173"，4.40mm 寬）
包裝： 管件
配用： 568-1758-ND - BOARD EVAL FOR LPC93X MCU FAMILY
其它名稱： 935288633512
P89LPC9331_9341_9351_9361
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 5.1 — 20 August 2012
51 of 94
NXP Semiconductors
P89LPC9331/9341/9351/9361
8-bit microcontroller with accelerated two-clock 80C51 core
7.26 Analog comparators
Two analog comparators are provided on the P89LPC9331/9341/9351/9361. Input and
output options allow use of the comparators in a number of different configurations.
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 inputs) 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 configured to cause an interrupt
when the output value changes.
In P89LPC9351/9361, the positive inputs of comparators could be amplified by
Programmable Gain Amplifier 1 (PGA1) module. The PGA1 can supply gain factors of 2x,
4x, 8x, or 16x, eliminating the need for external op-amps in the end application.
The overall connections to both comparators are shown in Figure 20 and Figure 21. The
comparators function to VDD =2.4 V.
When each comparator is first enabled, the comparator output and interrupt flag are not
guaranteed to be stable for 10
s. The corresponding comparator interrupt should not be
enabled during that time, and the comparator interrupt flag must be cleared before the
interrupt is enabled in order to prevent an immediate interrupt service.
When a comparator is disabled the comparator’s output, COn, goes HIGH. If the
comparator output was LOW and then is disabled, the resulting transition of the
comparator output from a LOW to HIGH state will set the comparator flag, CMFn. This will
cause an interrupt if the comparator interrupt is enabled. The user should therefore
disable the comparator interrupt prior to disabling the comparator. Additionally, the user
should clear the comparator flag, CMFn, after disabling the comparator.
Fig 19. SPI single master multiple slaves configuration
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
P89LPC9331HDH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core, 4 kB/8 kB/16 kB 3 V byte-erasable flash with 8-bit ADCs
P89LPC933FDH 制造商:NXP Semiconductors 功能描述:MCU 8BIT 80C51 4K FLASH TSSOP28
P89LPC933FDH,529 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 最大時鐘頻率:50 MHz 程序存儲器大小: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
P89LPC933FDH529 制造商:NXP Semiconductors 功能描述:IC 8BIT MCU 80C51 18MHZ TSSOP-28
P89LPC933HDH 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontroller with accelerated two-clock 80C51 core 4 kB/8 kB/16 kB 3 V byte-erasable flash with 8-bit ADCs
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