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TSC2117
Low-Power Audio Codec With Embedded miniDSP, Stereo Class-D
Speaker Amplifier, and Smart Four-Wire Touch-Screen Controller
www.ti.com
SLAS550A – APRIL 2009 – REVISED JUNE 2009
Page 0/Register 45: Interrupt Flags—ADC
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
Reserved. Write only zero to this bit.
D6(1)
R
0
0: ADC signal power greater than noise threshold for AGC.
1: ADC signal power less than noise threshold for AGC.
D5
R/W
0
Reserved. Write only zeros to these bits.
D4(1)
R
X
ADC miniDSP Engine Standard Interrupt Port Output
0: Read a 0 from Standard Interrupt-Port
1: Raed a 1 from Standard Interrupt-Port
D3(1)
R
X
ADC miniDSP Engine Auxiliary Interrupt Port Output
0: Read a 0 from Auxilliary Interrupt-Port
1: Read a 1 from Auxilliary Interrupt-Port
D2
R
0
0: DC measurement using Delta Sigma Audio ADC is not available
1: DC measurement using Delta Sigma Audio ADC is not available
D1–D0
R/W
00
Reserved. Write only zeros to these bits.
(1)
Sticky flag bIts. These are read-only bits. They are automatically cleared once they are read and are set only if the source trigger occurs
again.
Page 0/Register 46: Interrupt Flags – DAC
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R
0
0: No short circuit detected at HPL/left class-D driver
1: Short circuit detected at HPL/left class-D driver
D6
R
0
0: No short circuit detected at HPR/right class-D driver
1: Short circuit detected at HPR/right class-D driver
D5
R
X
0: No headset button pressed
1: Headset button pressed
D4
R
X
0: Headset removal detected
1: Headset insertion detected
D3
R
0
0: Left DAC signal power is below signal threshold of DRC.
1: Left DAC signal power is above signal threshold of DRC.
D2
R
0
0: Right DAC signal power is below signal threshold of DRC.
1: Right DAC signal power is above signal threshold of DRC.
D1
R
0
DAC miniDSP Engine Standard Interrupt Port Output
0: Read a 0 from Standard Interrupt-Port
1: Raed a 1 from Standard Interrupt-Port
D0
R
0
DAC miniDSP Engine Auxiliary Interrupt Port Output
0: Read a 0 from Auxilliary Interrupt-Port
1: Read a 1 from Auxilliary Interrupt-Port
Page 0/Register 47: Interrupt Flags – ADC
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
Reserved
D6
R
0
0: Delta-sigma mono ADC signal power greater than noise threshold for left AGC
1: Delta-sigma mono ADC signal power less than noise threshold for left AGC
D5
R/W
0
Reserved
D4
R
X
ADC miniDSP Engine Standard Interrupt Port Output
0: Read a 0 from Standard Interrupt-Port
1: Raed a 1 from Standard Interrupt-Port
D3
R
X
ADC miniDSP Engine Auxiliary Interrupt Port Output
0: Read a 0 from Auxilliary Interrupt-Port
1: Read a 1 from Auxilliary Interrupt-Port
D2
R
0
0: DC measurement using Delta Sigma Audio ADC is not available
1: DC measurement using Delta Sigma Audio ADC is not available
D1–D0
R/W
00
Reserved. Write only zeros to these bits.
REGISTER MAP
115