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TSC2117
Low-Power Audio Codec With Embedded miniDSP, Stereo Class-D
Speaker Amplifier, and Smart Four-Wire Touch-Screen Controller
SLAS550A – APRIL 2009 – REVISED JUNE 2009
www.ti.com
Page 1/Register 35: DAC_L and DAC_R Output Mixer Routing
=
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D6
R/W
00
00: DAC_L is not routed anywhere.
01: DAC_L is routed to the left-channel mixer amplifier.
10: DAC_L is routed directly to the HPL driver.
11: Reserved
D5
R/W
0
0: MIC input is not routed to the left-channel mixer amplifier.
1: MIC input is routed to the left-channel mixer amplifier.
D4
0
0: AUX1 input is not routed to the left-channel mixer amplifier.
1: AUX1 input is routed to the left-channel mixer amplifier.
D3–D2
R/W
00
00: DAC_R is not routed anywhere.
01: DAC_R is routed to the right-channel mixer amplifier.
10: DAC_R is routed directly to the HPR driver.
11: Reserved
D1
R/W
0
0: AUX1 input is not routed to the right-channel mixer amplifier.
1: AUX1 input is routed to the right-channel mixer amplifier.
D0
R/W
0
0: HPL driver output is not routed to the HPR driver.
1: HPL driver output is routed to the HPR driver input (used for differential output mode).
Page 1/Register 36: Left Analog Vol to HPL
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
0: Left-channel analog volume control is not routed to HPL output driver.
1: Left-channel analog volume control is routed to HPL output driver.
D6–D0
R/W
111 1111
Left-channel analog volume control gain (non-linear) for the HPL output driver, 0 dB to –78 dB. See
Page 1/Register 37: Right Analog Vol to HPR
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
0: Right-channel analog volume control is not routed to HPR output driver.
1: Right-channel analog volume control is routed to HPR output driver.
D6–D0
R/W
111 1111
Right-channel analog volume control gain (non-linear) for the HPR output driver, 0 dB to –78 dB. See
Page 1/Register 38: Left Analog Vol to SPL
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
0: Left-channel analog volume control output is not routed to left-channel class-D output driver.
1: Left-channel analog volume control output is routed to left-channel class-D output driver.
D6–D0
R/W
111 1111
Left-channel analog volume control output gain (non-linear) for the left-channel class-D output driver,
Page 1/Register 39: Right Analog Vol to SPR
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
0: Right-channel analog volume control output is not routed to right-channel class-D output driver.
1: Right-channel analog volume control output is routed to right-channel class-D output driver.
D6–D0
R/W
111 1111
Right-channel analog volume control output gain (non-linear) for the right-channel class-D output driver,
REGISTER MAP
132