Texas Instruments C2000 Workshop Guide And Lab Manual

Analog-to-Digital Converter
C2000 Microcontroller Workshop - Analog-to-Digital Converter 6 - 11
ADC Control Register 2
AdcRegs.ADCCTL2
reserved
15 - 3
2 0
CLKDIV4EN CLKDIV2EN
ADCNONOVERLAP
1
ADC Clock Divider
CLKDIV4EN CLKDIV2EN ADCCLK
x 0 SYSCLK
0 1 SYSCLK / 2
1 1 SYSCLK / 4
ADC Overlap Bit
0 = overlap of sample and conversion is allowed
1 = overlap of sample is not allowed
ADC SOC0 – SOC15 Control Registers
AdcRegs.ADCSOCxCTL
TRIGSEL reserved
15 - 11
10 9 - 6 5 - 0
CHSEL ACQPS
SOCx Trigger
Source Select
SOCx Channel
Select
SOCx Acquisition
Prescale
(S/H window)
0h = ADCINA0 0h = ADCINA0/B0
1h = ADCINA1 1h = ADCINA1/B1
2h = ADCINA2 2h = ADCINA2/B2
3h = ADCINA3 3h = ADCINA3/B3
4h = ADCINA4 4h = ADCINA4/B4
5h = ADCINA5 5h = ADCINA5/B5
6h = ADCINA6 6h = ADCINA6/B6
7h = ADCINA7 7h = ADCINA7/B7
8h = ADCINB0 8h – Fh = invalid
9h = ADCINB1
Ah = ADCINB2
Bh = ADCINB3
Ch = ADCINB4
Dh = ADCINB5
Eh = ADCINB6
Fh = ADCINB7
Sequential S/M
(SIMULENx=0)
Simultaneous S/M
(SIMULENx=1)
00h = software
01h = CPU Timer 0
02h = CPU Timer 1
03h = CPU Timer 2
04h = XINT2SOC
05h = ePWM1SOCA
06h = ePWM1SOCB
07h = ePWM2SOCA
08h = ePWM2SOCB
09h = ePWM3SOCA
0Ah = ePWM3SOCB
0Bh = ePWM4SOCA
0Ch = ePWM4SOCB
0Dh = ePWM5SOCA
0Eh = ePWM5SOCB
0Fh = ePWM6SOCA
10h = ePWM6SOCB
11h = ePWM7SOCA
12h = ePWM7SOCB
13h = ePWM8SOCA
14h = ePWM8SOCB
00h – 05h = invalid
06h = 7 cycles long
07h = 8 cycles long
08h = 9 cycles long
09h = 10 cycles long
3Fh = 64 cycles long
Sampling Window

Texas Instruments C2000 Specifications

General

Brand	Texas Instruments
Model	C2000
Category	Microcontrollers
Language	English