参数资料
型号: MCV18E-I/P
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDIP18
封装: 0.300 INCH, LEAD FREE, PLASTIC, DIP-18
文件页数: 50/108页
文件大小: 1509K
代理商: MCV18E-I/P
MCV18E
DS41399A-page 46
2009 Microchip Technology Inc.
REGISTER 7-2:
ADCON1: A/D CONTROL REGISTER 1
U-0
R/W-0
PCFG2
PCFG1
PCFG0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-3
Unimplemented: Read as ‘0’
bit 2-0
PCFG<2:0>: A/D Port Configuration Control bits.
The following table illustrates the effects of the various configurations:
PCFG<2:0>
AN3/
RA3
AN2/
RA2
AN2/
RA1
AN0/
RA0
VREF
0x0
AAA
A
VDD
0x1
VREF
AA
A
RA3
100
AD
A
VDD
101
VREF
DA
A
RA3
11x
DDD
D
VDD
Legend:
A = Analog input, D = Digital I/O
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