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List of Figures

ADC IF Block Diagram

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ADC Control (ADCTL) Register

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Comparator Target Channel (CMPTGT) Register

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Comparison A/D Lower Data (CMPLDAT) Register

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Comparison A/D Upper Data (CMPUDAT) Register

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Setup Divide Value for Start A/D (SETDIV) Register

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Analog Input Channel Select (CHSEL) Register

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A/D Conversion Data 0 (AD0DAT) Register

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A/D Conversion Data 1 (AD1DAT) Register

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A/D Conversion Data 2 (AD2DAT) Register

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A/D Conversion Data 3 (AD3DAT) Register

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A/D Conversion Data 4 (AD4DAT) Register

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A/D Conversion Data 5 (AD5DAT) Register

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Emulation Control (EMUCTRL) Register

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List of Tables

ADC interface Memory Map Registers

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ADC Control (ADCTL) Field Descriptions

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Comparator Target Channel (CMPTGT) Field Descriptions

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Comparison A/D Lower Data (CMPLDAT) Field Descriptions

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Comparison A/D Upper Data (CMPUDAT) Field Descriptions

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Setup Divide Value for Start A/D (SETDIV) Field Descriptions

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CHSEL setting for Channel selection

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Analog Input Channel Select (CHSEL) Field Descriptions

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A/D Conversion Data 0 (AD0DAT) Field Descriptions

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A/D Conversion Data 1 (AD1DAT) Field Descriptions

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A/D Conversion Data 2 (AD2DAT) Field Descriptions

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A/D Conversion Data 3 (AD3DAT) Field Descriptions

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A/D Conversion Data 4 (AD4DAT) Field Descriptions

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A/D Conversion Data 5 (AD5DAT) Field Descriptions

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Emulation Control (EMUCTRL) Field Descriptions

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List of Figures

SPRUFI7 – March 2009

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Содержание TMS320DM36X

Страница 1: ...TMS320DM36x DMSoC Analog to Digital Converter ADC Interface User s Guide Literature Number SPRUFI7 March 2009 ...

Страница 2: ...2 SPRUFI7 March 2009 Submit Documentation Feedback ...

Страница 3: ...et Considerations 10 2 5 Interrupt Support 10 2 6 EDMA Event Support 11 2 7 Power Management 11 2 8 Emulation Considerations 11 3 Registers 11 3 1 ADCTL 12 3 2 CMPTGT 13 3 3 CMPLDAT 13 3 4 CMPUDAT 14 3 5 SETDIV 14 3 6 CHSEL 14 3 7 AD0DAT 15 3 8 AD1DAT 15 3 9 AD2DAT 16 3 10 AD3DAT 16 3 11 AD4DAT 16 3 12 AD5DAT 17 3 13 EMUCTRL 17 SPRUFI7 March 2009 Table of Contents 3 Submit Documentation Feedback ...

Страница 4: ... interface Memory Map Registers 11 2 ADC Control ADCTL Field Descriptions 12 3 Comparator Target Channel CMPTGT Field Descriptions 13 4 Comparison A D Lower Data CMPLDAT Field Descriptions 13 5 Comparison A D Upper Data CMPUDAT Field Descriptions 14 6 Setup Divide Value for Start A D SETDIV Field Descriptions 14 7 CHSEL setting for Channel selection 15 8 Analog Input Channel Select CHSEL Field Des...

Страница 5: ...s the Video Processing Front End VPFE in the TMS320DM36x Digital Media System on Chip DMSoC SPRUFG9 TMS320DM36x Digital Media System on Chip DMSoC Video Processing Back End VPBE Users Guide This document describes the Video Processing Back End VPBE in the TMS320DM36x Digital Media System on Chip DMSoC SPRUFH0 TMS320DM36x Digital Media System on Chip DMSoC 64 bit Timer Users Guide This document des...

Страница 6: ...he MMC SD controller and MMC SD card s is performed by the MMC SD protocol SPRUFH6 TMS320DM36x Digital Media System on Chip DMSoC Pulse Width Modulator PWM Users Guide This document describes the pulse width modulator PWM peripheral in the TMS320DM36x Digital Media System on Chip DMSoC SPRUFH7 TMS320DM36x Digital Media System on Chip DMSoC Real Time Out RTO Controller Users Guide This document des...

Страница 7: ...face in the TMS320DM36x Digital Media System on Chip DMSoC The primary audio modes that are supported by the McBSP are the AC97 and IIS modes In addition to the primary audio modes the McBSP supports general serial port receive and transmit operation SPRUFI4 TMS320DM36x Digital Media System on Chip DMSoC Universal Host Port Interface UHPI User s Guide This document describes the operation of the u...

Страница 8: ...es to the ADC interface using 32 bit wide control registers accessible via the internal peripheral bus The DM36x ADC interface has following features Supports six configurable analog Input Supports for successive approximation type 10 bit A D converter Programmable sampling conversion time base clock is AUXCLK Supports channel select by auto scan conversion Supports mode select by one shot mode or...

Страница 9: ... operation see Section 2 3 2 In one shot mode operation the ADC interface does not run continuously and A D conversion terminates when scanning is completed For one shot mode operation the ADC interface should first be configured for scan mode SCNMD and comparator mode CMPMD in ADC interface control register ADCTL along with other configuration options The ADC interface sets the BUSY bit in ADCTL ...

Страница 10: ... sample conversion If user change configuration then user need to wait at least a time which defined by SETDIV register after writing 0 into START bit The ADC interface can also stopped during the free run mode operatioor by reconfiguring it to one shot mode using the SCNMD bit in ADCTL register A software reset such as a reset generated by the emulator causes the ADC interface registers to return...

Страница 11: ...ime Restart with the setting condition after the suspend time Table 1 lists the memory mapped registers for the analog to digital Controller ADC interface See the device specific data manual for the memory address of these registers Table 1 ADC interface Memory Map Registers Offset Register Description Location 0x0 ADCTL Control register Section 3 1 0x4 CMPTGT Comparator target channel Section 3 2...

Страница 12: ... bit 0 If the value of A D input data is larger or smaller than the comparative data a comparator interrupt is generated ADC input data CMPLDAT or ADC input data CMPUDAT 1 If the value of A D input data is within the range of the comparative data a comparator interrupt is generated CMPLDAT ADC input data CMPUDAT 3 SCNFLG Scan interrupt flag clear bit Writing 1 into this bit clears the scan interru...

Страница 13: ...nversion The analog input that has written 1 into CMPTGT is the target of the comparator The comparison A D lower data CMPLDAT register is shown in Figure 4 and described in Table 4 Figure 4 Comparison A D Lower Data CMPLDAT Register 31 10 9 0 Reserved CMPLDAT R 0 R W 0 LEGEND R W Read Write R Read only n value after reset Table 4 Comparison A D Lower Data CMPLDAT Field Descriptions Bit Field Valu...

Страница 14: ...riod SET_DIV 15 0 1 2 A D conversion time Peripheral CLK period SET_DIV 5 0 1 24 Note A D conversion time can t be less than 6us Figure 6 Setup Divide Value for Start A D SETDIV Register 31 16 Reserved R 0 15 0 SETDIV R W 0xFFFF LEGEND R W Read Write R Read only n value after reset Table 6 Setup Divide Value for Start A D SETDIV Field Descriptions Bit Field Value Description 31 16 Reserved 0 Any w...

Страница 15: ...unselected 1 Analog Input selected The A D conversion data 0 AD0DAT register is shown in Figure 8 and descried in Table 9 Figure 8 A D Conversion Data 0 AD0DAT Register 31 10 9 0 Reserved AD0DAT R 0 R 0 LEGEND R W Read Write R Read only n value after reset Table 9 A D Conversion Data 0 AD0DAT Field Descriptions Bit Field Value Description 31 10 Reserved Any writes to these bit s must always have a...

Страница 16: ...always have a value of 0 9 0 AD2DAT A D conversion data for channel 2 The A D conversion data 3 AD3DAT register is shown in Figure 11 and described in Table 12 Figure 11 A D Conversion Data 3 AD3DAT Register 31 10 9 0 Reserved AD3DAT R 0 R 0 LEGEND R W Read Write R Read only n value after reset Table 12 A D Conversion Data 3 AD3DAT Field Descriptions Bit Field Value Description 31 10 Reserved Any ...

Страница 17: ...and described in Table 15 Figure 14 Emulation Control EMUCTRL Register 31 16 Reserved R 0 15 3 2 1 0 Reserved RT_SEL SOFT FREE R 0 R 0 R 1 R W 1 LEGEND R W Read Write R Read only n value after reset Table 15 Emulation Control EMUCTRL Field Descriptions Bit Field Value Description 31 2 Reserved Any writes to these bit s must always have a value of 0 2 RT_SEL 0 Support only emulation suspend 1 SOFT ...

Страница 18: ...ice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertis...

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