Product Specs

38 COMP — Comparator
Page
400
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
A
0
1
A
0
0
A
0
Id RW Field
Value Id
Value
Description
AnalogInput0
0
AIN0 selected as analog input
AnalogInput1
1
AIN1 selected as analog input
AnalogInput2
2
AIN2 selected as analog input
AnalogInput3
3
AIN3 selected as analog input
AnalogInput4
4
AIN4 selected as analog input
AnalogInput5
5
AIN5 selected as analog input
AnalogInput6
6
AIN6 selected as analog input
AnalogInput7
7
AIN7 selected as analog input
38.5.8 REFSEL
Address offset: 0x508
Reference source select
Bit number
Id
Reset 0x00000004
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
A
1
1
A
0
0
A
0
Id RW Field
Value Id
Value
Description
A RW REFSEL
Reference select
Int1V2
0
VREF = internal 1.2 V reference (VDD >= 1.7 V)
Int1V8
1
VREF = internal 1.8 V reference (VDD >= VREF + 0.2 V)
Int2V4
2
VREF = internal 2.4 V reference (VDD >= VREF + 0.2 V)
VDD
4
VREF = VDD
ARef
7
VREF = AREF (VDD >= VREF >= AREFMIN)
38.5.9 EXTREFSEL
Address offset: 0x50C
External reference select
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
A
0
Id RW Field
Value Id
Value
Description
A RW EXTREFSEL
External analog reference select
AnalogReference0
0
Use AIN0 as external analog reference
AnalogReference1
1
Use AIN1 as external analog reference
38.5.10 TH
Address offset: 0x530
Threshold configuration for hysteresis unit
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
B
0
12
B
0
11
B
0
10
B
0
9
B
0
8
B
0
7
0
6
0
5
A
0
4
A
0
3
A
0
2
A
0
1
A
0
0
A
0
Id RW Field
Value Id
Value
Description
A RW THDOWN
[63:0]
VDOWN = (THDOWN+1)/64*VREF
B RW THUP
[63:0]
VUP = (THUP+1)/64*VREF
38.5.11 MODE
Address offset: 0x534
Mode configuration