70592C datasheet(212/314 Pages) MICROCHIP

212 / 314 page

PIC24HJXXXGPX06A/X08A/X10A

DS70592C-page 212

ADxCON1: ADCx CONTROL REGISTER 1(where x = 1 or 2)

R/W-0

U-0

R/W-0

U-0

R/W-0

ADON

—ADSIDL

ADDMABM

—

AD12B

FORM<1:0>

bit 15

bit 8

R/W-0

U-0

R/W-0

HC,HS

R/C-0

HC, HS

SSRC<2:0>

—

SIMSAM

ASAM

SAMP

DONE

bit 7

bit 0

Legend:

HC = Cleared by hardware

HS = Set by hardware

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

ADON: ADC Operating Mode bit

1 = ADC module is operating

0 = ADC module is off

bit 14

Unimplemented: Read as ‘0’

bit 13

ADSIDL: Stop in Idle Mode bit

1 = Discontinue module operation when device enters Idle mode

0 = Continue module operation in Idle mode

bit 12

ADDMABM: DMA Buffer Build Mode bit

1 = DMA buffers are written in the order of conversion. The module will provide an address to the DMA

channel that is the same as the address used for the non-DMA stand-alone buffer

0 = DMA buffers are written in Scatter/Gather mode. The module will provide a scatter/gather address

to the DMA channel, based on the index of the analog input and the size of the DMA buffer

bit 11

Unimplemented: Read as ‘0’

bit 10

AD12B: 10-Bit or 12-Bit Operation Mode bit

1 = 12-bit, 1-channel ADC operation

0 = 10-bit, 4-channel ADC operation

bit 9-8

FORM<1:0>: Data Output Format bits

For 10-bit operation:

11 = Reserved

10 = Reserved

01 = Signed integer (DOUT = ssss sssd dddd dddd, where s = .NOT.d<9>)

00 = Integer (DOUT = 0000 00dd dddd dddd)

For 12-bit operation:

11 = Reserved

10 = Reserved

01 = Signed Integer (DOUT = ssss sddd dddd dddd, where s = .NOT.d<11>)

00 = Integer (DOUT = 0000 dddd dddd dddd)

bit 7-5

SSRC<2:0>: Sample Clock Source Select bits

111 = Internal counter ends sampling and starts conversion (auto-convert)

110 = Reserved

101 = Reserved

100 = GP timer (Timer5 for ADC1, Timer3 for ADC2) compare ends sampling and starts conversion

011 = Reserved

010 = GP timer (Timer3 for ADC1, Timer5 for ADC2) compare ends sampling and starts conversion

001 = Active transition on INT0 pin ends sampling and starts conversion

000 = Clearing sample bit ends sampling and starts conversion

bit 4

Unimplemented: Read as ‘0’

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