PIC32MX440F256H-80I Datasheet, PDF (500/646 Pages) Microchip Technology – 64/100-Pin General Purpose and USB 32-Bit Flash Microcontrollers

PIC32MX3XX/4XX
REGISTER 22-3: AD1CON3: ADC CONTROL REGISTER 3
r-x
r-x
r-x
r-x
r-x
r-x
—
—
—
—
—
—
bit 31
r-x
r-x
—
—
bit 24
r-x
r-x
r-x
r-x
r-x
r-x
r-x
r-x
—
—
—
—
—
—
—
—
bit 23
bit 16
R/W-0
r-x
ADRC
—
bit 15
r-x
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
—
SAMC<4:0>
bit 8
R/W-0
bit 7
R/W-0
R/W-0
R/W-0
R/W-0
ADCS<7:0>
R/W-0
R/W-0
R/W-0
bit 0
Legend:
R = Readable bit
U = Unimplemented bit
W = Writable bit
P = Programmable bit
-n = Bit Value at POR: (‘0’, ‘1’, x = Unknown)
r = Reserved bit
bit 31-16
bit 15
bit 14-13
bit 12-8
bit 7-0
Reserved: Write ‘0’; ignore read
ADRC: ADC Conversion Clock Source bit
1 = ADC internal RC clock
0 = Clock derived from Peripheral Bus Clock (PBClock)
Reserved: Write ‘0’; ignore read
SAMC<4:0>: Auto-Sample Time bits
11111 = 31 TAD
·····
00001 = 1 TAD
00000 = 0 TAD (Not allowed)
ADCS<7:0>: ADC Conversion Clock Select bits
11111111 = TPB • (ADCS<7:0> + 1) • 2 = 512 • TPB = TAD
······
00000001 = TPB • (ADCS<7:0> + 1) • 2 = 4 • TPB = TAD
00000000 = TPB • (ADCS<7:0> + 1) • 2 = 2 • TPB = TAD
DS61143E-page 498
Preliminary
© 2008 Microchip Technology Inc.