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.