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TAS2770RJQT Datasheet(PDF) 57 Page - Texas Instruments

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Part # TAS2770RJQT
Description  TAS2770 20-W Digital Input Mono Class-D Audio Amplifier with Speaker I/V Sense
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS2770RJQT Datasheet(HTML) 57 Page - Texas Instruments

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8.5.2.15 TDM_CFG4 (book=0x00 page=0x00 address=0x0E) [reset=13h]
Sets TDM TX bus keeper, fill, offset and transmit edge.
Figure 8-32. TDM_CFG4 Register Address: 0x0E
7
6
5
4
3
2
1
0
TX_LSB_CFG TX_KEEPER_C
FG
TX_KEEPER
TX_FILL
TX_OFFSET[2:0]
TX_EDGE
RW-0h
RW-0h
RW-0h
RW-1h
RW-1h
RW-1h
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 8-96. TDM Configuration 4 Field Descriptions
Bit
Field
Type
Reset
Description
7
TX_LSB_CFG
RW
0h
TDM TX SDOUT LSB data option
0b = TX SDOUT LSB is driven for full-cycle (provided
TX_KEEPER is '0')
1b = TX SDOUT LSB is driven for half-cycle
6
TX_KEEPER_CFG
RW
0h
TDM TX SDOUT bus keeper configuration.
0b = Bus keeper is enabled only for 1 LSB bit cycle & SDOUT
LSB driven for half cycle (provided TX_KEEPER is '1')
1b = Bus keeper is always enabled & SDOUT LSB driven for
half cycle (provided TX_KEEPER is '1')
5
TX_KEEPER
RW
0h
TDM TX SDOUT bus keeper enable.
0b = Disable bus keeper
1b = Enable bus keeper
4
TX_FILL
RW
1h
TDM TX SDOUT unused bitfield fill.
0b = Transmit 0
1b = Transmit Hi-Z
3-1
TX_OFFSET[2:0]
RW
1h
TDM TX start of frame to time slot 0 offset.
0
TX_EDGE
RW
1h
TDM TX launch clock polarity.
0b = Rising edge of SBCLK
1b = Falling edge of SBCLK
8.5.2.16 TDM_CFG5 (book=0x00 page=0x00 address=0x0F) [reset=2h]
Sets TDM TX V-Sense time slot and enable.
Figure 8-33. TDM_CFG5 Register Address: 0x0F
7
6
5
4
3
2
1
0
Reserved
VSNS_TX
VSNS_SLOT[5:0]
RW-0h
RW-0h
RW-2h
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 8-97. TDM Configuration 5 Field Descriptions
Bit
Field
Type
Reset
Description
7
Reserved
RW
0h
Reserved
6
VSNS_TX
RW
0h
TDM TX voltage sense transmit enable.
0b = Disabled
1b = Enabled
5-0
VSNS_SLOT[5:0]
RW
2h
TDM TX voltage sense time slot. It is recommended to maintain
the following order:
ISNS_SLOT<VSNS_SLOT<PDM_SLOT<VBAT_SLOT<TEMP_
SLOT<GAIN_SLOT
8.5.2.17 TDM_CFG6 (book=0x00 page=0x00 address=0x10) [reset=0h]
Sets TDM TX I-Sense time slot and enable.
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TAS2770
SLASEM6D – OCTOBER 2017 – REVISED AUGUST 2022
Copyright © 2022 Texas Instruments Incorporated
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