Datasheet

TSC2101
SLAS392D JUNE 2003 REVISED MAY 2005
www.ti.com
70
REGISTER 23H: GPIO Control
BIT NAME
RESET
VALUE
READ/
WRITE
FUNCTION
D15 GPO2EN 0 R/W GPIO2 Enable for General Purpose Output Port
0 => GPIO2 is not programmed as general purpose output port
1 => GPIO2 programmed as general purpose output port
D14 GPO2SG 0 R/W GPIO2 Output Signal Programmability
0 => GPIO2 goes to low if GPIO2 enable for general purpose output port
1 => GPIO2 goes to high if GPIO2 enable for general purpose output port
D13 GPI2EN 0 R/W GPIO2 Enable for General Purpose Input Port
0 => GPIO2 is not programmed as general purpose input port
1 => GPIO2 programmed as general purpose input port
D12 GPI2SGF 0 R GPIO2 Input Signal Flag
0 => GPIO2 input is low.
1 => GPIO2 input is high.
Note: Valid only if GPIO2 is enable for general purpose input port
D11 GPO1EN 0 R/W GPIO1 Enable for General Purpose Output Port
0 => GPIO1 is not programmed as general purpose output port
1 => GPIO1 programmed as general purpose output port
D10 GPO1SG 0 R/W GPIO1 Output Signal Programmability
0 => GPIO1 goes to low if GPIO1 enable for general purpose output port
1 => GPIO1 goes to high if GPIO1 enable for general purpose output port
D9 GPI1EN 0 R/W GPIO1 Enable for General Purpose Input Port
0 => GPIO1 is not programmed as general purpose input port
1 => GPIO1 programmed as general purpose input port
D8 GPI1SGF 0 R GPIO1 Input Signal Flag
0 => GPIO1 input is low.
1 => GPIO1 input is high.
Note: Valid only if GPIO1 is enable for general purpose input port
D7D0 0 R Reserved (Write only 00000000)
REGISTER 24H: AGC for Cell-Phone Input Control
BIT NAME
RESET
VALUE
READ/
WRITE
FUNCTION
D15 0 R Reserved (Write only 0)
D14 AGCNF_CELL 0 R Noise Threshold Flag.
The read values indicate the following
0 => Signal power greater than noise threshold
1 => Signal power is less than noise threshold
Note: Valid only if AGC is selected for the Cellphone input (CP_IN).
D13D11 AGCNL 000 R/W AGC Noise Threshold.
These settings apply to both Headset/Aux/Handset and Cellphone input.
000 => 30 dB
001 => 30 dB
010 => 40 dB
011 => 50 dB
100 => 60 dB
101 => 70 dB (not valid for Cellphone AGC)
110 => 80 dB (not valid for Cellphone AGC)
111 => 90 dB (not valid for Cellphone AGC)
D10D9 AGCHYS_CELL 00 R/W AGC Hysteresis Selection for Cellphone Input
00 => 1 dB
01 => 2 dB
10 => 4 dB
11 => No Hysteresis
D8 CLPST_CELL 0 R/W AGC Clip Stepping Disable for Cellphone Input
0 => Disable clip stepping for cell-phone input
1 => Enable clip stepping for cell-phone input