Demonstration Software Control
1-5
Description
1.4.1
PCM Audio Interface
P-SCLK:
SYSTEM CLOCK
P-DATA:
DATA clock
P-BCK:
BCK clock
P-LRCK:
LRCK clock
1.4.2
DSD Audio Interface for PCM1791/1793
P-SCLK:
DSD BCK clock
P-LRCK:
DSD DATA-R
P-DATA:
DSD DATA-L
P-BCK:
GND
MUTE:
GND
1.4.3
DSD Audio Interface for DSD1791/1793
P-LRCK:
GND
P-BCK:
GND
P-DATA:
GND
DBCK:
DSD BCK clock
DSD-L:
DSD DATA-L
DSD-R:
DSD DATA-R
1.5
Demonstration Software Control
Software provided with the DEM-PCM/DSD1791 allows programming of the
PCM/DSD1791 internal registers. The software operates on computers
running Microsoft
Windows
3.1, 95, 98 or 2000. The demonstration
software requires connection of the PC printer port to CN003 of the demo
board using a standard printer port cable. After installing and executing the
demo software, the main window shows register bit codes and the sub-window
shows register control function.
1.6
I
2
C Control
The DSD1793 has an I
2
C control function. The I
2
C interface is provided on
5-pin connector RA001, shown in the following diagram.
NC
ADR0
ADR1
SCL
SDA