Cmsemicon CMS32L051 - Analog Input Channel Specification Register (ADS)

V1.2.2
CMS32L051 User Manual |Chapter 11 A/D Converter
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11.2.6 Analog input channel specification register (ADS)
This is the register that specifies the analog voltage input channel to be A/D converted. The ADS
registers are set with 8-bit memory operating instructions.
After the reset signal is generated, the value of this register becomes 00H.
Figure11-9 Format of analog input channel specification register (ADS)
Reset value: 00H R/W
7
6
5
4
3
2
1
0
ADS
ADISS
0
ADS5
ADS4
ADS3
ADS2
ADS1
ADS0
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ADS register setting value
Analog input channel
ADISS
ADS[5:0]
0
6'h00
ANI0(P20)
0
6'h01
ANI1(P21)
0
6'h02
ANI2(P22)
0
6'h03
ANI3(P23)
0
6'h04
ANI4(P24)
0
6'h05
ANI5(P25)
0
6'h06
ANI6(P26)
0
6'h07
ANI7(P27)
0
6'h08
ANI8(P11)
0
6'h09
ANI9(P10)
0
6'h0a
ANI10(P01)
0
6'h0b
ANI11(P00)
0
6'h0c
ANI12(P147)
0
6'h0d
ANI13(P12)
0
6'h0e
ANI14(P120)
0
6'h0f
ANI15(P146)
0
6'h10
ANI16(P13)
0
6'h11
ANI17(P14)
0
6'h12
ANI18(P15)
0
6'h13
ANI19(P16)
0
6'h14
ANI20(P17)
0
6'h15
ANI21(P30)
0
6'h16
ANI22(P31)
0
6'h17
ANI23(P50)
0
6'h18
ANI24(P51)
0
6'h19
ANI25(P60)
0
6'h1a
ANI26(P61)
0
6'h1b
ANI27(P62)
0
6'h1c
ANI28(P63)
0
6'h1d
ANI29(P70)
0
6'h1e
ANI30(P71)
0
6'h1f
ANI31(P72)
0
6'h20
ANI32(P73)
0
6'h21
ANI33(P74)
0
6'h22
ANI34(P75)
0
6'h23
ANI35(P130)
0
6'h24
ANI36(P136)
0
6'h3f
SW ALL OFF
1
6'h00
BGR (temperature sensor0)
1
6'h01
BGR (1.45V)
Beyond the above
Disable settings.
Note 1 The analog input channels of A/D converters vary from product to product. Detailed channel assignment
information can be found in the data sheet.