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PIC16F690-I/SS 参数 Datasheet PDF下载

PIC16F690-I/SS图片预览
型号: PIC16F690-I/SS
PDF下载: 下载PDF文件 查看货源
内容描述: 20引脚基于闪存的8位CMOS微控制器采用纳瓦技术 [20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology]
分类和应用: 闪存微控制器和处理器外围集成电路光电二极管PC时钟
文件页数/大小: 294 页 / 5272 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC16F631/677/685/687/689/690  
REGISTER 9-2:  
ADCON1: A/D CONTROL REGISTER 1  
U-0  
R/W-0  
R/W-0  
R/W-0  
U-0  
U-0  
U-0  
U-0  
ADCS2  
ADCS1  
ADCS0  
bit 7  
bit 0  
Legend:  
R = Readable bit  
-n = Value at POR  
W = Writable bit  
‘1’ = Bit is set  
U = Unimplemented bit, read as ‘0’  
‘0’ = Bit is cleared x = Bit is unknown  
bit 7  
Unimplemented: Read as ‘0’  
bit 6-4  
ADCS<2:0>: A/D Conversion Clock Select bits  
000= FOSC/2  
001= FOSC/8  
010= FOSC/32  
x11= FRC (clock derived from a dedicated internal oscillator = 500 kHz max)  
100= FOSC/4  
101= FOSC/16  
110= FOSC/64  
bit 3-0  
Unimplemented: Read as ‘0’  
DS41262D-page 114  
© 2007 Microchip Technology Inc.  
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