DSCSAM_ADSETTINGS
Structure containing AD input parameters.
Structure Definition
Structure Members
Name
Description
Applicable Boards
Sedi
0 = single-ended
Elton, Stevie, Jethro, Ziggy
1 = differential ended
Elton, Stevie, Jethro
Lowch
low channel, 0-5(Single ended)
Elton, Stevie, Jethro, Ziggy
low channel, 0-2(Differential ended)
Elton, Stevie, Jethro
Highch
high channel, 0-5(Single ended)
Elton, Stevie, Jethro, Ziggy
high channel, 0-2(Differential ended)
Elton, Stevie, Jethro
Currentch
channel number 0-5 for current conversion
Elton, Stevie, Jethro, Ziggy
ScanEnable
0 = sample, 1 = scan
Elton, Stevie, Jethro, Ziggy
Adtrig
00 = software initiated A/D conversion
01 = external GPIO pin is used to trigger A/D conversion
Elton, Stevie, Jethro, Ziggy
Adsel
0 = A/D circuit 0, 1 = AD circuit 1
Elton, Stevie, Jethro, Ziggy
Adref
00 = external reference (set to 3.3V )
01 = internal bandgap reference
Elton, Stevie, Jethro, Ziggy
Adtag
0 = upper 4 bits of 16-bit value = 0000
1 = upper 4 bits of 16-bit value contain A/D channel number
Elton, Stevie, Jethro, Ziggy
Adchset
ADCHSET = 0: Selects channel number for current conversion
ADCHSET = 1: Selects high/low channel number
Elton, Stevie, Jethro, Ziggy
Adres
0 - No oversampling, A/D resolution = 12 bits
1 - A/D resolution = 14 bits
2 - A/D resolution = 15 bits
3 - A/D resolution = 16 bits
Elton, Stevie, Jethro, Ziggy
Adsamples
Number of samples to be accumulated to calculate average sample:
1, 2, 4, 8, 6, 32, 64,128, 256, 512 and 1024
(Please refer section 45.6.2.10 in SAMD51 datasheet for more information)
Elton, Stevie, Jethro, Ziggy
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