PIC16F747 Microchip Technology Inc., PIC16F747 Datasheet - Page 155

• Manufacturer Part Number: PIC16F747
• Description: 28/40/44-pin, 8-bit Cmos Flash Microcontrollers With 10-bit A/d And Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

REGISTER 12-2:
 2004 Microchip Technology Inc.
bit 7
bit 6
bit 5
bit 4
bit 3-0
ADCON1: A/D CONTROL REGISTER 1 (ADDRESS 9Fh)
ADFM: A/D Result Format Select bit
1 = Right justified. Six Most Significant bits of ADRESH are read as ‘0’.
0 = Left justified. Six Least Significant bits of ADRESL are read as ‘0’.
ADCS2: A/D Clock Divide by 2 Select bit
1 = A/D clock source is divided by two when system clock is used
0 = Disabled
VCFG1: Voltage Reference Configuration bit 1
0 = V
1 = V
VCFG0: Voltage Reference Configuration bit 0
0 = V
1 = V
PCFG<3:0>: A/D Port Configuration bits
bit 7
Legend:
Legend:
R = Readable bit
-n = Value at POR
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Note:
R/W-0
ADFM
REF
REF
REF
REF
AN13 AN12 AN11 AN10 AN9 AN8 AN7 AN6 AN5 AN4 AN3 AN2 AN1 AN0
- is connected to V
- is connected to external V
+ is connected to V
+ is connected to external V
D
D
D
D
D
D
D
D
D
D
D
D
D
D
A
A
AN5 through AN7 are only available on the 40-pin product variant (PIC16F747 and
PIC16F777).
A = Analog input, D = Digital I/O
ADCS2
R/W-0
D
D
D
D
D
D
D
D
D
D
D
D
D
A
A
A
D
D
D
D
D
D
D
D
D
D
D
D
A
A
A
A
VCFG1
R/W-0
SS
DD
W = Writable bit
‘1’ = Bit is set
D
D
D
D
D
D
D
D
D
D
D
A
A
A
A
A
REF
REF
A
A
A
A
A
A
D
D
D
D
D
D
D
D
D
D
VCFG0
R/W-0
- (RA2)
+ (RA3)
A
A
A
A
A
A
A
D
D
D
D
D
D
D
D
D
A
A
A
A
A
A
A
A
D
D
D
D
D
D
D
D
PCFG3
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
A
A
A
A
A
A
A
A
A
D
D
D
D
D
D
D
D
D
D
D
D
D
A
A
A
A
A
A
A
A
A
A
PCFG2
R/W-0
PIC16F7X7
D
D
D
D
D
A
A
A
A
A
A
A
A
A
A
A
D
D
D
D
A
A
A
A
A
A
A
A
A
A
A
A
x = Bit is unknown
PCFG1
DS30498C-page 153
R/W-0
D
D
D
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
D
D
PCFG0
R/W-0
bit 0
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
D