Texas Instruments DEM-DAI3793A User Manual
www.ti.com
3.2.3.1
Power Up/Down
Software Control and Operation
This menu (shown in
) allows users to manually power up or power down each module. Click
the appropriate checkboxes to power up or power down a specific module.
shows the register
mapping for each module setting.
Abbreviations such as DAL/DAR, MXL/MXR, and ADL/ADR stand for corresponding modules that are
described in the block diagram of the PCM3793A (see
described in the block diagram of the PCM3793A (see
Figure 3-4. Internal Module Power Up/Down Function Menu Tab
Table 3-1. Register Mapping for Power Up/Down Module
Check Box
Internal Module
Register
Analog Bias
Analog bias
Reg#73 bit7 [PBIS]
Vcom
Analog common voltage
Reg#74 bit0 [PCOM]
HP COM/MONO (HPC)
Headphone common/mono-out buffer
Reg#73 bit4 [PHPC]
Mixer L-ch (XML)
Analog mixer L-ch
Reg#72 bit0 [PMXL]
Mixer R-ch (XMR)
Analog mixer R-ch
Reg#72 bit1 [PMXR]
HP/Line out L-ch (HPL)
Headphone / Line out amp L-ch
Reg#73 bit2 [PHPL]
HP/Line out R-ch (HPR)
Headphone / Line out amp R-ch
Reg#73 bit3 [PHPR]
DAC L-ch (DAL)
DAC and interpolation filter L-ch
Reg#73 bit5 [PDAL]
DAC R-ch (DAR)
DAC and interpolation filter R-ch
Reg#73 bit6 [PDAR]
Speaker out L-ch (SPL)
Speaker amp L-ch
Reg#73 bit0 [PSPL]
Speaker out R-ch (SPR)
Speaker amp R-ch
Reg#73 bit1 [PSPR]
ADC L-ch (ADL)
ADC and decimation filter L-ch
Reg#82 bit0 [PADL]
ADC R-ch (ADR)
ADC and decimation filter R-ch
Reg#82 bit1 [PADR]
Gain AMP L-ch (PG1, PG5)
Gain amp L-ch (PG1 and PG5)
Reg#82 bit4 [PAIL]
Gain AMP R-ch (PG2, PG6)
Gain amp R-ch (PG2 and PG6)
Reg#82 bit5 [PAIR]
Diff amp (D2S)
D2S for AIN1
Reg#82 bit3 [PADS]
Mic Bias (MCB)
Mic bias amp
Reg#82 bit2 [PMCB]
Set-Up Guide
24
SBAU127 – July 2007