Sundance SMT326v2 User Manual
Page 2
Release
Page 2 of 24
SMT326 DSP PC/ISA System User Guide
Document Name:
SMT326 Ugv2.doc
Original Date: 08/11/97
Product Name:
SMT326
Revision Date: 08/26/99
Author:
Graeme Parker – Fabio Ancona
Contents
Description ................................................................................................................................... 3
Architecture .................................................................................................................................. 3
Processor ..................................................................................................................................... 3
Interrupts.......................................................................................................................... 4
Reset ............................................................................................................................... 4
Communications Ports ..................................................................................................... 4
Local Bus Resource...................................................................................................................... 5
Local SRAM ..................................................................................................................... 5
ID ROM............................................................................................................................ 5
Local Memory Interface Control Register (LMICR) ........................................................... 5
Global Bus Resource .................................................................................................................... 6
Global SRAM ................................................................................................................... 6
CODEC............................................................................................................................ 6
DAC..................................................................................................................... 6
ADC..................................................................................................................... 6
CODEC Clocking ................................................................................................. 7
CODEC Control ................................................................................................... 7
CODEC Start ....................................................................................................... 7
CODEC Stop ....................................................................................................... 7
CODEC Interrupt & Status ................................................................................... 7
LED Control ..................................................................................................................... 8
Global Memory Interface Control Register (GMICR)......................................................... 8
Codec Interface FPGA ..................................................................................................... 8
C44 Memory Map Summary ......................................................................................................... 8
Interface Logic.............................................................................................................................. 9
Communication Port Interface .......................................................................................... 9
Link Reset / NMI .................................................................................................. 9
Link Status ........................................................................................................... 9
Link Data ............................................................................................................. 9
PC I/O Map Summary .................................................................................................................. 10
Jumpers ....................................................................................................................................... 10
CV10 series Micro-miniature Coaxial Connector ........................................................................... 10
Connector Numbering................................................................................................................... 12
Example Code.............................................................................................................................. 13
Test Code..................................................................................................................................... 14
Test both a ADC channel and a DAC channel .................................................................. 14
Functions
17
Test a DAC channel ......................................................................................................... 19
How To DMA ................................................................................................................................ 24