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| 型號： | P89LPC9321FN,112 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 37/71頁 |
| 文件大小： | 0K |
| 描述： | IC 80C51 MCU FLASH 8K 28-DIP |
| 產(chǎn)品培訓(xùn)模塊： | LPC9351/9321 Overview |
| 標(biāo)準(zhǔn)包裝： | 13 |
| 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： | 8KB（8K x 8） |
| 程序存儲器類型： | 閃存 |
| EEPROM 大?。?/td> | 512 x 8 |
| RAM 容量： | 768 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.4 V ~ 3.6 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 28-DIP（0.600"，15.24mm） |
| 包裝： | 管件 |
| 配用： | 568-4000-ND - DEMO BOARD SPI/I2C TO DUAL UART 568-3510-ND - DEMO BOARD SPI/I2C TO UART 622-1003-ND - KIT FOR LCD DEMO 568-1759-ND - EMULATOR DEBUGGER/PROGRMMR LPC9X 568-1758-ND - BOARD EVAL FOR LPC93X MCU FAMILY |
| 其它名稱： | 568-4700-5 935287657112 P89LPC9321FN |
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P89LPC9321
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 16 November 2010
42 of 71
NXP Semiconductors
P89LPC9321
8-bit microcontroller with accelerated two-clock 80C51 core
7.26 Analog comparators
Two analog comparators are provided on the P89LPC9321. 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.
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 19. 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
μs. 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 18. 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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| P89LPC932A1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-Bit Microcontroller with accelerated two-clock 80C51 core 8kB 3V byte-erasable flash with 512-byte data EEPROM |
| P89LPC932A1FA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-Bit Microcontroller with accelerated two-clock 80C51 core 8kB 3V byte-erasable flash with 512-byte data EEPROM |
| P89LPC932A1FA,112 | 功能描述:8位微控制器 -MCU 8K FL/768B RAM/512B EE/CCU 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 |
| P89LPC932A1FA,129 | 功能描述:8位微控制器 -MCU 8K FL/768B RAM/512B EE/CCU 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 |
| P89LPC932A1FDH | 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 3 V byte-erasable flash with 512-byte data EEPROM |
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