
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 0/Register 39: Overflow Flags
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7(1)
R
0
Left-Channel DAC Overflow Flag
0: Overflow has not occurred.
1: Overflow has occurred.
D6(1)
R
0
Right-Channel DAC Overflow Flag
0: Overflow has not occurred.
1: Overflow has occurred.
D5(1)
R
0
DAC Barrel Shifter Output Overflow Flag
0: Overflow has not occurred.
1: Overflow has occurred.
D4
R/W
0
Reserved. Write only zeros to these bits.
D3(1)
R
0
Delta-Sigma Mono ADC Overflow Flag
0: Overflow has not occurred.
1: Overflow has occurred.
D2
R/W
0
Reserved. Write only zero to this bit.
D1(1)
R
0
ADC Barrel Shifter Output Overflow Flag
0: Overflow has not occurred.
1: Overflow has occurred.
D0
R/W
0
Reserved. Write only zero to this bit.
(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/Registers 40–43: Reserved
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D0
R/W
XXXX XXXX
Reserved. Write only the reset value to these bits.
Page 0/Register 44: Interrupt Flags—DAC
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7(1)
R
0
0: No short circuit is detected at HPL/left class-D driver.
1: Short circuit is detected at HPL/left class-D driver.
D6(1)
R
0
0: No short circuit is detected at HPR/right class-D driver.
1: Short circuit is detected at HPR/right class-D driver.
D5(1)
R
X
0: No headset button pressed
1: Headset button pressed
D4(1)
R
X
0: No headset insertion/removal is detected.
1: Headset insertion/removal is detected.
D3(1)
R
0
0: Left DAC signal power is les than or equal to the signal threshold of DRC.
1: Left DAC signal power is above the signal threshold of DRC.
D2(1)
R
0
0: Right DAC signal power is less than or equal to the signal threshold of DRC.
1: Right DAC signal power is above the signal threshold of DRC.
D1(1)
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(1)
R
0
DAC miniDSP Engine Auxilliary Interrupt-Port Output
0: Read a 0 from Auxilliary Interrupt-Port
1: Read a 1 from Auxilliary Interrupt-Port
(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.
REGISTER MAP
114