Operating Controls; Sw001, Sw002, Sw003 Dai Pcm Interface Format; Sw004 Reset For Dai; Sw005 Dai/External Interface Selection - Texas Instruments DEM-PCM1793 User Manual

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1.3 Operating Controls

1.3.1

SW001, SW002, SW003 DAI PCM Interface Format

These switches select the PCM audio interface format for the S8414 DAI
receiver, and the interface formats are listed in Table 1−1. The default interface
format is 16- to 24-bit I
Table 1−1. SW001/002/003: For S8414 (DAI Receiver)
1.3.2

SW004 Reset for DAI

Switch SW004 is the reset control for the CS8414 DAI receiver.
1.3.3

SW005 DAI/External Interface Selection

Switch SW005 selects whether the S/PDIF inputs for the PCM/DSD1791/1793
are provided through the CS8414 DAI receiver or supplied as external data.
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1.3.4

JP001 BCK Selection

Jumper JP001 selects the BCK clock format for the CS8414.
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1.3.5

SW006 Operation Control for DAC

Switch SW006 is the register reset control for the PCM1791 and DSD1791.
For normal board operation, all four switches must be set to H.
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1.3.6 SW001 on Daughter Card − Operation Control for PCM1793
SW001 on the daughter card is the operation control for the PCM1793
hardware model.
CN103: L-channel audio out (2.1 V rms)
CN104: R-channel audio out (2.1 V rms)
2
S.
SW001 SW002 SW003
L L L
L H L
H L H
L H H
INT: S/PDIF, DAI receiver data (default)
EXT: External data
2
IIS: I S right-justified (default)
24L/J: 24-bit left-justified
RESET: H / normal operation (default)
RESET: L / reset operation
Operating Controls
Receiver Output Data Format
16- to 24-bit left-justified
2
16- to 24-bit l S
16-bit right-justified (or standard)
18-bit right-justified (or standard)
Description 1-3