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TSC2101_07 Datasheet, PDF (67/93 Pages) Texas Instruments – AUDIO CODEC WITH INTEGRATED HEADPHONE, SPEAKER AMPLIFIER AND TOUCH SCREEN CONTROLLER | |||
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www.ti.com
TSC2101
SLAS392Dâ JUNE 2003 â REVISED MAY 2005
REGISTER 20H: Audio Control 5
BIT
NAME
RESET READ/
VALUE WRITE
FUNCTION
D15
DIFFIN
0
R/W Single-ended or Differential Output Selection.
0 => Single-ended output (headset/lineout) selected for SPK1 and SPK2 drivers
1 => Differential output (handset) selected for SPK1 and OUT32N drivers
Note: When bit D15=1, both SPK1 and OUT32N drivers should be powerâup. Otherwise the
TSC2101 automatically powerâdown both SPK1 and OUT32N drivers.
D14âD13 DAC2SPK1
00
R/W DAC Channel Routing to SPK1 (Single-ended)/ SPK1âOUT32N (Differential)
00 => No routing from DAC to SPK1/ SPK1âOUT32N
01 => DAC left routed to SPK1/SPK1âOUT32N
10 => DAC right routed to SPK1/SPK1âOUT32N
11 => DAC (left + right)/2 routed to SPK1/SPK1âOUT32N
D12
AST2SPK1
0
R/W Analog Sidetone Routing to SPK1 (Single-ended)/SPK1âOUT32N (Differential)
0 => No routing from analog sidetone to SPK1/SPK1âOUT32N
1 => Analog sidetone routed to SPK1/SPK1âOUT32N
D11
BUZ2SPK1
0
R/W Buzzer PGA Routing to SPK1 (Single-ended)/ SPK1âOUT32N (Differential)
0 => No routing from buzzer PGA to SPK1/SPK1âOUT32N
1 => Buzzer PGA routed to SPK1/ SPK1âOUT32N
D10
KCL2SPK1
0
R/W Keyclick Routing to SPK1 (Single-ended)/SPK1âOUT32N (Differential)
0 => No routing from keyclick to SPK1/SPK1âOUT32N
1 => Keyclick routed to SPK1/SPK1âOUT32N
D9
CPI2SPK1
0
R/W Cellâphone Input Routing to SPK1 (Single-ended)/SPK1âOUT32N (Differential)
0 => No routing from cell-phone input to SPK1/SPK1âOUT32N
1 => Cell phone input routed to SPK1/SPK1âOUT32N
D8âD7 DAC2SPK2
00
R/W DAC Channel Routing to SPK2 (Valid for Only Single-ended)
00 => No routing from DAC to SPK2
01 => DAC left routed to SPK2
10 => DAC right routed to SPK2
11 => DAC (left + right)/2 routed to SPK2
D6
AST2SPK2
0
R/W Analog Sidetone Routing to SPK2 (Valid for Only Single-ended)
0 => No routing from analog sidetone to SPK2
1 => Analog sidetone routed to SPK2
D5
BUZ2SPK2
0
R/W Buzzer PGA Routing to SPK2 (Valid for Only Single-ended)
0 => No routing from buzzer PGA to SPK2
1 => Buzzer PGA routed to SPK2
D4
KCL2SPK2
0
R/W Keyclick Routing to SPK2 (Valid for Only Single-ended)
0 => No routing from keyclick to SPK2
1 => Keyclick routed to SPK2
D3
CPI2SPK2
0
R/W Cellâphone Input Routing to SPK2 (Valid for Only Single-ended)
0 => No routing from cell-phone input to SPK2
1 => Cellâphone input routed to SPK2
D2
MUTSPK1
1
R/W Mute Control for SPK1 (Single-ended)/SPK1âOUT32N (Differential)
0 => SPK1/SPK1âOUT32N is not muted.
1 => SPK1/SPK1âOUT32N is muted.
D1
MUTSPK2
1
R/W Mute Control for SPK2 (Valid for Only Single-ended)
0 => SPK2 is not muted.
1 => SPK2 is muted.
D0
HDSCPTC
0
W Headphone Shortâcircuit Protection Control
0 => Enable shortâcircuit protection
1 => Disable shortâcircuit protection
67
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