Datasheet

© 2009 Microchip Technology Inc. Preliminary DS39937B-page 147
PIC24F04KA201 FAMILY
REGISTER 19-3: AD1CON3: A/D CONTROL REGISTER 3
R/W-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
ADRC — — SAMC4 SAMC3 SAMC2 SAMC1 SAMC0
bit 15 bit 8
U
-0 U -0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
— — ADCS5 ADCS4 ADCS3 ADCS2 ADCS1 ADCS0
bit 7 bit 0
Legend: r = Reserved bit
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 15 ADRC: A/D Conversion Clock Source bit
1 = A/D internal RC clock
0 = Clock derived from system clock
bit 14-13 Unimplemented: Read as ‘0’
bit 12-8 SAMC<4:0>: Auto-Sample Time bits
11111 = 31 T
AD
·
·
·
00001 = 1 TAD
00000 = 0 TAD (not recommended)
bit 7-6 Unimplemented: Read as ‘0’
bit 5-0 ADCS<5:0>: A/D Conversion Clock Select bits
111111 = 32 • TCY
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·
·
000001 = TCY
000000 = TCY/2