Nations Technologies Inc.
Tel
:
+86-755-86309900
:
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China
362
/
631
Figure 17-3 ADC channels and Pin connections
ADC_IN15
ADC_IN1
ADC_IN2
ADC_IN3
ADC_IN4
ADC_IN5
ADC_IN6
ADC_IN7
ADC_IN8
ADC_IN9
ADC_IN10
ADC_IN11
ADC_IN12
ADC_IN13
V
INP
[0]
V
INN
[0]
V
INP
[1]
V
INN
[1]
V
INP
[2]
V
INN
[2]
V
INP
[3]
V
INN
[3]
V
INP
[4]
V
INN
[4]
V
INP
[5]
V
INN
[5]
V
INP
[6]
V
INN
[6]
V
INP
[7]
V
INN
[7]
V
INP
[8]
V
INN
[8]
V
INP
[9]
V
INN
[9]
V
INP
[10]
V
INN
[10]
V
INP
[11]
V
INN
[11]
V
INP
[12]
V
INN
[12]
V
INP
[13]
V
INN
[13]
V
INN
[14]
V
INP
[15]
V
INN
[15]
V
INP
[16]
V
INN
[16]
V
INP
[17]
V
INN
[17]
V
INP
[18]
V
INN
[18]
V
INP
[14]
VREF-
V
TS
VREF-
VREFBUFF
VREF-
SAR
ADC
V
INP
V
INN
V
REF+
V
REF-
Channel Selection
ADC
ADC_IN14
Fast Channel
Fast Channel
Fast Channel
Fast Channel
Fast Channel
Fast Channel
Slow Channel
Slow Channel
Slow Channel
Slow Channel
Slow Channel
Slow Channel
Slow Channel
Slow Channel
Slow Channel
Slow Channel
Slow Channel
Slow Channel
Slow Channel
VREF-
V
REFINT
ADC_IN16
V
REFBUFF
VREFINT: Internal reference voltage , 1.2V(BG)
VREFBUFF: Internal reference voltage , 2.048V
V
TS:
Internal temperature sensor
OPAMP1_OUT is connected to ADC_IN3
OPAMP2_OUT is connected to ADC_IN7