MAX11120–MAX11128
1Msps, Low-Power, Serial 12-/10-/8-Bit,
4-/8-/16-Channel ADCs
Table 12. Custom Scan0 Register
DEFAULT
STATE
BIT NAME
BIT
FUNCTION
CUST_SCAN0
CHSCAN15
CHSCAN14
CHSCAN13
CHSCAN12
CHSCAN11
CHSCAN10
CHSCAN9
CHSCAN8
—
15:11
—
0
Set to 10100 to select the Custom Scan0 register.
Set to 1 to scan AIN15. Set to 0 to omit AIN15.
Set to 1 to scan AIN14. Set to 0 to omit AIN14.
Set to 1 to scan AIN13. Set to 0 to omit AIN13.
Set to 1 to scan AIN12. Set to 0 to omit AIN12.
Set to 1 to scan AIN11. Set to 0 to omit AIN11.
Set to 1 to scan AIN10. Set to 0 to omit AIN10.
Set to 1 to scan AIN9. Set to 0 to omit AIN9.
Set to 1 to scan AIN8. Set to 0 to omit AIN8.
Unused.
10
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2:0
000
Table 13. Custom Scan1 Register
DEFAULT
STATE
BIT NAME
BIT
FUNCTION
CUST_SCAN1
CHSCAN7
CHSCAN6
CHSCAN5
CHSCAN4
CHSCAN3
CHSCAN2
CHSCAN1
CHSCAN0
—
15:11
—
0
Set to 10101 to select the Custom Scan1 register.
Set to 1 to scan AIN7. Set to 0 to omit AIN7.
Set to 1 to scan AIN6. Set to 0 to omit AIN6.
Set to 1 to scan AIN5. Set to 0 to omit AIN5.
Set to 1 to scan AIN4. Set to 0 to omit AIN4.
Set to 1 to scan AIN3. Set to 0 to omit AIN3.
Set to 1 to scan AIN2. Set to 0 to omit AIN2.
Set to 1 to scan AIN1. Set to 0 to omit AIN1.
Set to 1 to scan AIN0. Set to 0 to omit AIN0.
Unused.
10
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2:0
000
Table 14. SampleSet Register
BIT NAME
BIT
DEFAULT STATE
FUNCTION
SMPL_SET
15:11
—
Set to 10110 to select the SampleSet register.
8-bit binary word indicating desired sequence length. The equation is:
Sequence length = SEQ_LENGTH + 1
00000000 = Sequence length = 1
11111111 = Sequence length = 256
Coding: Straight binary
SEQ_LENGTH
—
10:3
2:0
00000000
—
Maximum length: 256 ADC conversions
Unused.
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