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PIC18F4431-I/P 参数 Datasheet PDF下载

PIC18F4431-I/P图片预览
型号: PIC18F4431-I/P
PDF下载: 下载PDF文件 查看货源
内容描述: 28 /40/ 44引脚增强型闪存微控制器采用纳瓦技术,高性能PWM和A / D [28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D]
分类和应用: 闪存微控制器
文件页数/大小: 392 页 / 3127 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC18F2331/2431/4331/4431  
These features lend themselves to many applications  
including motor control, sensor interfacing, data  
acquisition and process control. In many cases, these  
features will reduce the software overhead associated  
with standard A/D modules.  
21.0 10-BIT HIGH-SPEED  
ANALOG-TO-DIGITAL  
CONVERTER (A/D) MODULE  
The high-speed Analog-to-Digital (A/D) Converter  
module allows conversion of an analog signal to a  
corresponding 10-bit digital number.  
The module has 9 registers:  
• A/D Result High Register (ADRESH)  
• A/D Result Low Register (ADRESL)  
• A/D Control Register 0 (ADCON0)  
• A/D Control Register 1 (ADCON1)  
• A/D Control Register 2 (ADCON2)  
• A/D Control Register 3 (ADCON3)  
• A/D Channel Select Register (ADCHS)  
• Analog I/O Select Register 0 (ANSEL0)  
• Analog I/O Select Register 1 (ANSEL1)  
The A/D module supports up to 5 input channels on  
PIC18F2331/2431 devices, and up to 9 channels on  
the PIC18F4331/4431 devices.  
This high-speed 10-bit A/D module offers the following  
features:  
• Up to 200K samples per second  
• Two sample and hold inputs for dual-channel  
simultaneous sampling  
• Selectable Simultaneous or Sequential Sampling  
modes  
• 4-word data buffer for A/D results  
• Selectable data acquisition timing  
• Selectable A/D event trigger  
• Operation in Sleep using internal oscillator  
2010 Microchip Technology Inc.  
DS39616D-page 239  
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