Cmsemicon CMS32L051 - 11.2 Control registers of A;D converter

V1.2.2
CMS32L051 User Manual |Chapter 11 A/D Converter
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11.2 Control registers of A/D converter
The registers that control the A/D converter are as follows:
Register base address: CSC_BASE=4002_0420H; ADC_BASE=4004_5000H;
PORT_BASE=4004_0000H
Register name
Register description
R/W
Reset value
Register address
PER0
Peripheral enable register 0
R/W
00H
CSC_BASE+20H
ADM0
A/D converter mode register 0
R/W
00H
ADC_BASE+00H
ADM1
A/D converter mode register 1
R/W
00H
ADC_BASE+02H
ADM2
A/D converter mode register 2
R/W
00H
ADC_BASE+04H
ADTRG
A/D converter trigger mode register
R/W
00H
ADC_BASE+06AM
ADS
Analog input channel specification
register
R/W
00H
ADC_BASE+08AM
ADLL
Conversion result comparison lower limit
setting register
R/W
00H
ADC_BASE+0AH
ADUL
Conversion result comparison upper limit
setting register
R/W
00H
ADC_BASE+0BH
ADCR
12-bit A/D conversion result register
R
0,000H
ADC_BASE+0EH
ADCRH
8-bit A/D conversion result register
R
00H
ADC_BASE+0FH
ADSMPWAIT
A/D converter sampling time extension
control register
R/W
00H
ADC_BASE+15H
PMCn
Port mode control register
R/W
Note 1
PORT_BASE+
Note1
R: read only, W: write only, R/W: both read and write.
Note 1: When selecting a channel through the ADS registers, the PMC register of the channel pin needs
to be configured as an analog channel.