TSC2117 Datasheet, PDF (100/192 Pages) Texas Instruments – Low-Power Audio Codec With Embedded miniDSP, Stereo Class-D Speaker Amplifier, and Smart Four-Wire Touch-Screen Controller

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
ADC_WCLK
Direction
Possible
Pins
GPIO1
OUTPUT
MISO
GPIO2
GPIO1
SCLK
INPUT
GPIO2
GPI1
GPI2
GPI3
Table 5-45. Generation of ADC_WCLK
Page 0 Registers
R32/D7–D5 = 000
R51/D5–D2 = 0111
R32/D1
R32/D7–D5 = 010
R55/D4–D1 = 0110
R32/D1
R32/D7–D5 = 100
R52/D5–D2 = 0111
R32/D1
R32/D7–D5 = 000
R51/D5–D2 = 0001
R32/D1
R32/D7–D5 = 001
R56/D2–D1 = 11
R32/D1
R32/D7–D5 = 100
R52/D5–D2 = 0001
R32/D1
R32/D7–D5 = 101
R57/D6–D5 = 01
R32/D1
R32/D7–D5 = 110
R57/D2–D1 = 01
R32/D1
R32/D7–D5 = 111
R58/D6–D5 = 01
R32/D1
Comment
ADC_WCLK obtained from GPIO1 pin
GPIO1 = ADC_WCLK
Select source of Internal ADC_WCLK (0 = DAC_WCLK; 1 = ADC_WCLK)
ADC_WCLK obtained from MISO pin
MISO = ADC_WCLK
Select source of Internal ADC_WCLK (0 = DAC_WCLK; 1 = ADC_WCLK)
ADC_WCLK obtained from GPIO2 pin
GPIO2 = ADC_WCLK
Select source of Internal ADC_WCLK (0 = DAC_WCLK; 1 = ADC_WCLK)
ADC_WCLK obtained from GPIO1 pin
GPIO1 enabled as Secondary input
Select source of Internal ADC_WCLK (0 = DAC_WCLK; 1 = ADC_WCLK)
ADC_WCLK obtained from SCLK pin
SCLK enabled as Secondary input
Select source of Internal ADC_WCLK (0 = DAC_WCLK; 1 = ADC_WCLK)
ADC_WCLK obtained from GPIO2 pin
GPIO2 enabled as Secondary input
Select source of Internal ADC_WCLK (0 = DAC_WCLK; 1 = ADC_WCLK)
ADC_WCLK obtained from GPI1 pin
GPI1 enabled as Secondary Input
Select source of Internal ADC_WCLK (0 = DAC_WCLK; 1 = ADC_WCLK)
ADC_WCLK obtained from GPI2 pin
GPI2 enabled as Secondary Input
Select source of Internal ADC_WCLK (0 = DAC_WCLK; 1 = ADC_WCLK)
ADC_WCLK obtained from GPI3 pin
GPI3 enabled as Secondary Input
Select source of Internal ADC_WCLK (0 = DAC_WCLK; 1 = ADC_WCLK)
100 APPLICATION INFORMATION
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