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Texas Instruments TLV1562 Manuals
Manuals and User Guides for Texas Instruments TLV1562. We have
1
Texas Instruments TLV1562 manual available for free PDF download: Application Report
Texas Instruments TLV1562 Application Report (99 pages)
Interfacing the parallel ad-converter to the TMS320C54x DSP
Brand:
Texas Instruments
| Category:
Media Converter
| Size: 0 MB
Table of Contents
Table of Contents
3
Introduction
7
The Board
7
Tms320C54X Starter Kit
7
Tlv1562Evm
8
ADC TLV1562 Overview
8
Suggestions for the 'C54X to TLV1562 Interface
8
Recyclic Architecture
9
Note on the Interface, Using an External ADC Clock Drive
10
Onboard Components
10
TLC5618 - Serial DAC
10
TLV5651 - Parallel DAC
11
Operational Overview
12
Reference Voltage Inputs
12
Input Data Bits
12
Connections between the DSP and the EVM
13
Signal Connections
13
Jumpers Used on the TLV1562EVM
14
Position Jumpers
14
The Serial DAC/DSP System
15
DSP/DAC Interconnection
15
The DSP Serial Port
16
DSP Serial Port Signals and Registers
16
Other DSP/TLV1562 Signals
17
DSP Internal Serial Port Operation
17
Conversation between the TLV1562 and the DSP
18
Writing to the ADC
18
Mono Interrupt Driven Mode Using RD
18
DSP Algorithm for Writing to the ADC
18
DSP Algorithm for Mono Interrupt Driven Mode Using RD
19
Mono Interrupt Driven Mode Using CSTART
20
DSP Algorithm for Mono Interrupt Driven Mode Using CSTART
20
Dual Interrupt Driven Mode
21
DSP Algorithm for Dual Interrupt Driven Mode
21
Mono Continuous Mode
22
DSP Algorithm for Mono Continuous Mode
22
Dual Continuous Mode
23
DSP Algorithm for Dual Continuous Mode
23
Software Overview
24
Software Development Tools
24
DSP Memory Map
24
Memory Map
25
Programming Strategies for the 'C54X, Explanations
26
Optimizing CPU Resources for Maximum Data Rates
26
Address and Data Bus for I/O Tasks
26
Timer Output
26
Data
27
Generating the Chip Select Signal and the CSTART Signal
27
Interfacing the Serial DAC 5618 to the DSP
27
Interrupt Latency
28
Branch Optimization (Goto/Dgoto, Call/Dcall
28
Enabling Software Modules (.If/.Elseif/.Endif)
29
Software Code Explanation
29
Software Principals of the Interface
29
Switch Settings
32
Instruction in the Program Header (Step 1)
32
Flow Charts and Comments for All Software Modes
33
The Mono Interrupt Driven Mode Using RD to Start Conversion
33
Instruction in the Program Header (Step 1)
33
Software Flow of the Mono Interrupt Driven Solution
35
Mono Interrupt Driven Mode Using CSTART to Start Conversion
36
Flow Chart Mono Interrupt Driven Mode Using CSTART to Start Conversion
37
Dual Interrupt Driven Mode
39
Flow Chart Dual Interrupt Driven Mode (Using CSTART) to Start Conversion
41
Mono Continuous Mode
42
Flow Chart Mono Continuous Mode
43
Dual Continuous Mode
44
Flow Chart Dual Continuous Mode
45
C-Callable with Mono Interrupt Driven Mode Using CSTART to Start Conversion
46
Source Code
47
Common Software for All Modes (Except C-Callable)
47
Mono Mode Interrupt Driven Software Using RD to Start Conversion
52
Calibration of the ADC
59
Mono Mode Interrupt Driven Software Using CSTART to Start Conversion
64
Dual Interrupt Driven Mode
72
Mono Continuous Mode
80
Dual Continuous Mode
86
C-Callable
92
Summary
99
References
99
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