Texas Instruments TLV1562 User Manual
Page 39
Software Overview
33
Interfacing the TLV1562 Parallel ADC to the TMS320C54x DSP
825 ns = 1.2 MPS Throughput
CSTART
RD
CS
INT
Figure 8. Time Optimization (monocst1)
Maximum Performance at 1.2 MSPS with Internal Clock
8.5.3
Dual Interrupt Driven Mode
The following descriptions explain the software for the data acquisition in Dual
Interrupt Driven Mode (using the CSTART signal). The required interface
connections are shown in Figure 2.
Program Files:
DUALIRQ1.ASM
Includes the complete software algorithm to control the Dual IRQ Driven Mode
CALIBRAT.ASM
Calibration procedure of the DAC
CONSTANT.ASM
Common file of all modes (constants definition)
VECTORS.ASM
Common file of all modes (IRQ vector table)
Other Files:
linker.cmd
Organization of the DSP memory (data and program memory)
auto.bat
Batch file to start the compiler for the dual interrupt driven software
asm500.exe
54x Code compiler
lnk500.exe
C54x linker
The timing requirements to interface the ’C54x to the ADC are provided in
Table 9. The STEP numbers given there can be found again as Marker in the
code. This helps to debug and verify the code.