
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 50: INT1 and INT2 Control Register
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7
R/W
0
0: SAR measurement data-out-of-threshold range interrupt is not used in the generation of the INT1
interrupt.
1: SAR measurement data-out-of-threshold range interrupt is not used in the generation of the INT1
interrupt.
D6
R/W
0
0: Pen touch/SAR data-available interrupt is not used in the generation of the INT1 interrupt.
1: Pen touch/SAR data-available interrupt is used in the generation of the INT1 interrupt.
D5
R/W
0
0: SAR measurement data-out-of-threshold range interrupt is not used in the generation of the INT2
interrupt.
1: SAR measurement data-out-of-threshold range interrupt is not used in the generation of the INT2
interrupt.
D4
R/W
0
Reserved
D3
R
0
0: No pen touch detected
1: Pen touch detected
D2
R
0
0: No data available for read
1: Data available for read
D1
R
0
0: SAR data is within threshold program.
1: SAR data is out of programmed threshold range.
D0
R
0
Reserved. Write only the default value to this bit.
Page 0/Register 51: GPIO1 In/Out Pin Control
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D6
R/W
XX
Reserved. Do not write any value other than reset value.
D5–D2
R/W
0000
0000: GPIO1 disabled (input and output buffers powered down)
0001: GPIO1 is in input mode (can be used as secondary BCLK input, secondary WCLK input,
secondary SDIN input, ADC_WCLK input, Dig_Mic_In or in ClockGen block).
0010: GPIO1 is used as general-purpose input (GPI).
0011: GPIO1 output = general-purpose output
0100: GPIO1 output = CLKOUT output
0101: GPIO1 output = INT1 output
0110: GPIO1 output = INT2 output
0111: GPIO1 output = ADC_WCLK output for codec interface
1000: GPIO1 output = secondary BCLK output for codec interface
1001: GPIO1 output = secondary WCLK output for codec interface
1010: GPIO1 output = ADC_MOD_CLK output for the digital microphone
1011: GPIO1 output = secondary SDOUT for codec interface
1100: GPIO1 output = TouchScreen/SAR ADC interrupt (active-low) as PINTDAV signal
1101: Reserved
1110: Reserved
1111: Reserved
D1
R
X
GPIO1 input buffer value
D0
R/W
0
0: GPIO1 general-purpose output value = 0
1: GPIO1 general-purpose output value = 1
REGISTER MAP
117