NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 1211 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
[19:16]
REFCNT
ADC Reference Counter
ADC reference voltage stable counter count value.
0 = 1 ADC clock.
1 = 2 ADC clock.
2 = 4 ADC clock.
3 = 8 ADC clock.
4 = 16 ADC clock.
5 = 32 ADC clock.
6 = 64 ADC clock.
7 = 128 ADC clock.
8 = 256 ADC clock.
9 = 512 ADC clock.
10 = 1024 ADC clock.
11 = 1024 ADC clock.
12 = 1024 ADC clock.
13 = 1024 ADC clock.
14 = 1024 ADC clock.
15 = 1024 ADC clock.
[15:11]
Reserved
Reserved.
[10]
SELFT_EN
Selft Test Enable
Selft test function enable.
[9]
KPC_EN
Keypad Press Conversion Enable
Keypad press conversion function enable.
[8]
VBAT_EN
Voltage Battery Enable
Battery voltage detection function enable.
[7:6]
REFSEL
ADC Reference Select
ADC reference voltage select when ADC operate in normal conversion.
00 = AGND33 vs 2.5v buffer output, or VREF input.
01 = YM vs YP.
10 = XM vs XP.
11 = AGND33 vs AVDD33.
[5:3]
CHSEL
Channel Selection
ADC input channel selection.
000 = VBT.
001 = VHS.
010 = A_2.
011 = A_3.
100 = YM.
101 = YP.
110 = XM.
111 = XP.
[2]
NACEN
Normal AD Conversion Enable
ADC normal conversion function enable