Texas Instruments DEM-DAI3010 manual SW006

Setting Functions

FMT1	FMT0	Input Data Format
L	L	24-bit, left-justified, MSB-first
L	H	24-bit, I2S (initial setting)
H	L	24-bit, right-justified, MSB-first
H	H	16-bit, right-justified, MSB-first
SW006:	Switch for setting channel-status data of the DIT4096. Note that the OFF state
	of this switch sets a HIGH level. Channel status data can set up if needed.
	Moreover, it is also possible to connect a microcontroller to CN002 and to write
	in channel-status data with the microcontroller. See the DIT4096 data sheet (TI
	literature number SBOS225) for details about the contents of a setting.

SW051: Switch to select the S/PDIF output connector (optical/coaxial). An S/PDIF output connector is chosen from optical (U052) and coaxial (CN058). The optical and coaxial output terminals cannot be used simultaneously.

SW101: Switch for setting the functions of the PCM3010. All the functions of PCM3010 are set up with this switch. Functions that can be set are the audio serial data I/O format, the DAC section de-emphasis, and power-down control.

FMT1	FMT0	DAC Input Data Format	ADC Output Data Format
L	L	24-bit, right-justified, MSB-first	24-bit, left-justified, MSB-first
L	H	16-bit, right-justified, MSB-first	24-bit, left-justified, MSB-first
H	L	24-bit, left-justified, MSB-first	24-bit, left-justified, MSB-first
H	H	24-bit, I2S (initial setting)	24-bit, I2S (initial setting)

DEMP1	DEMP0	DAC De-Emphasis
L	L	De-emphasis ON, 44.1-kHz
L	H	De-emphasis OFF (initial setting)
H	L	De-emphasis ON, 48-kHz
H	H	De-emphasis ON, 32-kHz

PDOWN	Power-Down Control
L	Power-down mode
H	Nomal operation (initial setting)

JP001: Setup of the crystal frequency and system clock for the DIR1703. When the system clock and the frequency of the crystal for the DIR1703 are changed, a shorting plug is inserted in only one position of JP001 according to the following tables. In order to avoid the loss of a shorting plug which is not being used, the plug is put in the header pin position labeled as OPEN. Because 24.576 MHz is used for a quartz crystal and the system clock is set as the 256 fS output in initial setting at the time of shipment, the shorting plug is attached in the CSBIT position.

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