Datasheet

TAS5508C
www.ti.com SLES257–SEPTEMBER 2010
Table 7-6. Channel Configuration Control Register Format
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
0 – – – – – – Disable back-end reset sequence for a channel – BEErrorRecEn
1 – – – – – – Enable back-end reset sequence for a channel
– 0 – – – – – Valid does not have to be low for this channel to be reset BEValidRst
– 1 – – – – – Valid must be low for this channel to be reset
– – 0 – – – – Valid does not have to be low for this channel to be muted BEValidMute
– – 1 – – – – Valid must be low for this channel to be muted
– – – 0 – – – Normal BEPolarity
– – – 1 – – – Switches PWM+ and PWM– and inverts audio signal
– – – – 0 – – Do not remap output to comply with 5182 interface
– – – – 1 – – Remap output to comply with 5182 interface
– – – – – 0 – Do not go to low-low in mute – BELowMute
– – – – – 1 – Go to low-low in mute
– – – – – – 0 Do not remap Hi-Z state to low-low state – BE5111BsMute
– – – – – – 1 Remap Hi-Z state to low-low state
7.7 Headphone Configuration Control Register (0x0D)
Bit D0 is Don't Care.
Table 7-7. Headphone Configuration Control Register Format
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
0 – – – – – – Disable back-end reset sequence for a channel – BEErrorRecEn
1 – – – – – – Enable back-end reset sequence for a channel
– 0 – – – – – Valid does not have to be low for this channel to be reset
BEValidRst
– 1 – – – – – Valid must be low for this channel to be reset
– – 0 – – – – Valid does not have to be low for this channel to be muted
BEValidMute
– – 1 – – – – Valid must be low for this channel to be muted
– – – 0 – – – Normal BEPolarity
– – – 1 – – – Switches PWM+ and PWM– and inverts audio signal
– – – – 0 – – Do not remap output to comply with 5182 interface
– – – – 1 – – Remap output to comply with 5182 interface
– – – – – 0 – Do not go to low-low in mute – BELowMute
– – – – – 1 – Go to low-low in mute
– – – – – – 0 Do not remap Hi-Z state to low-low state – BE5111BsMute
– – – – – – 1 Remap Hi-Z state to low-low state
7.8 Serial Data Interface Control Register (0x0E)
Nine serial modes can be programmed via the I
2
C interface.
Table 7-8. Serial Data Interface Control Register Format
RECEIVE SERIAL DATA
WORD LENGTHS D7–D4 D3 D2 D1 D0
INTERFACE FORMAT
Right-justified 16 0000 0 0 0 0
Right-justified 20 0000 0 0 0 1
Right-justified 24 0000 0 0 1 0
Copyright © 2010, Texas Instruments Incorporated Serial-Control Interface Register Definitions 75
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