Datasheet
TLV320AIC3120
SLAS653A –FEBRUARY 2010–REVISED MAY 2012
www.ti.com
Page 0 / Register 90 (0x5A): AGC Decay Time
READ/ RESET
BIT DESCRIPTION
WRITE VALUE
D7–D3 R/W 0000 0 0000 0: AGC decay time = 1 × (512/f
S
)
0000 1: AGC decay time = 3 × (512/f
S
)
0001 0: AGC decay time = 5 × (512/f
S
)
0001 1: AGC decay time = 7 × (512/f
S
)
0010 0: AGC decay time = 9 × (512/f
S
)
...
1111 0: AGC decay time = 61 × (512/f
S
)
1111 1: AGC decay time = 63 × (512/f
S
)
D2–D0 R/W 000 000: Multiply factor for the programmed AGC decay time = 1
001: Multiply factor for the programmed AGC decay time = 2
010: Multiply factor for the programmed AGC decay time = 4
...
111: Multiply factor for the programmed AGC decay time = 128
Page 0 / Register 91 (0x5B): AGC Noise Debounce
READ/ RESET
BIT DESCRIPTION
WRITE VALUE
D7–D5 R/W 000 Reserved. Write only zeros to these bits.
D4–D0 R/W 0 0000 0 0000: AGC noise debounce = 0/f
S
0 0001: AGC noise debounce = 4/f
S
0 0010: AGC noise debounce = 8/f
S
0 0011: AGC noise debounce = 16/f
S
0 0100: AGC noise debounce = 32/f
S
0 0101: AGC noise debounce = 64/f
S
0 0110: AGC noise debounce = 128/f
S
0 0111: AGC noise debounce = 256/f
S
0 1000: AGC noise debounce = 512/f
S
0 1001: AGC noise debounce = 1024/f
S
0 1010: AGC noise debounce = 2048/f
S
0 1011: AGC noise debounce = 4096/f
S
0 1100: AGC noise debounce = 2 × 4096/f
S
0 1101: AGC noise debounce = 3 × 4096/f
S
0 1110: AGC noise debounce = 4 × 4096/f
S
...
1 1110: AGC noise debounce = 20 × 4096/f
S
1 1111: AGC noise debounce = 21 × 4096/f
S
Page0 / Register 92 (0x5C): AGC Signal Debounce
READ/ RESET
BIT DESCRIPTION
WRITE VALUE
D7–D4 R/W 0000 Reserved. Write only zeros to these bits.
D3–D0 R/W 0000 0000: AGC signal debounce = 0/f
S
0001: AGC signal debounce = 4/f
S
0010: AGC signal debounce = 8/f
S
0011: AGC signal debounce = 16/f
S
0100: AGC signal debounce = 32/f
S
0101: AGC signal debounce = 64/f
S
0110: AGC signal debounce = 128/f
S
0111: AGC signal debounce = 256/f
S
1000: AGC signal debounce = 512/f
S
1001: AGC signal debounce = 1024/f
S
1010: AGC signal debounce = 2048/f
S
1011: AGC signal debounce = 2 × 2048/f
S
1100: AGC signal debounce = 3 × 2048/f
S
1101: AGC signal debounce = 4 × 2048/f
S
1110: AGC signal debounce = 5 × 2048/f
S
1111: AGC signal debounce = 6 × 2048/f
S
100 REGISTER MAP Copyright © 2010–2012, Texas Instruments Incorporated
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