參數(shù)資料
型號(hào)： TLV320AIC29IRGZ
廠商： Texas Instruments, Inc.
元件分類： Codec
英文描述： STWREO AUDIO CODEC WITH INTERGRATED HEADPHONE AND SPEAKER AMPLIFIERS
中文描述： STWREO音頻編解碼器集成耳機(jī)和音箱放大器
文件頁數(shù)： 60/85頁
文件大小： 1007K
代理商： TLV320AIC29IRGZ
SLAS494A DECEMBER 2005 REVISED JANUARY 2006
www.ti.com
60
D7D2
J_VAL
000001
R/W
J value: Valid when PLL is enabled
000000 => Not valid,
000001 => 1,
000010 => 2,
000011 => 3,
……
..
111100 => 60,
111101 => 61,
111110 => 62,
111111 => 63
D1D0
00
R
Reserved (Write only 00)
REGISTER ICH: PLL Programmability
BIT
NAME
D_VAL
RESET VALUE
0
(decimal)
READ/WRITE
R/W
FUNCTION
D15D2
D value: Valid when PLL is enabled
D value is valid from 0000 to 9999 in decimal.
Greater than 9999 is treated as 9999.
D1D0
Reserved
0
R
Reserved (Write only 00)
REGISTER IDH: Audio Control 4
BIT
D15
NAME
ADSTPD
RESET VALUE
0
READ/WRITE
R/W
FUNCTION
Headset/Aux or Handset PGA Softstepping Control
0 => Enable softstepping
1 => Disable softstepping
DAC PGA Softstepping Control
0 => Enable softstepping
1 => Disable softstepping
Analog Sidetone PGA Softstepping Control
0 => Enable softstepping
1 => Disable softstepping
Note: When softstepping is enabled gain is changed 0.5 dB per Fsref.
Cellphone PGA Softstepping Control
0 => Enable softstepping
1 => Disable softstepping
Note: When softstepping is enabled gain is changed 0.5 dB per Fsref.
Buzzer PGA Softstepping Control
0 => Enable softstepping
1 => Disable softstepping
Note: When softstepping is enabled gain is changed 3 dB per Fsref.
MIC AGC Hysteresis selection
00 => 1 dB
01 => 2 dB
10 => 4 dB
11 => No Hysteresis
Note: Valid only when AGC is selected for Headset/Aux or Handset input
Micbias for Headset
00 => MICBIAS_HED = 3.3 V
01 => MICBIAS_HED = 2.5 V
10 => MICBIAS_HED = 2.0 V
11 => MICBIAS_HED = 2.0 V
D14
DASTPD
0
R/W
D13
ASSTPD
0
R/W
D12
CISTPD
0
R/W
D11
BISTPD
0
R/W
D10D9
AGCHYS
00
R/W
D8D7
MB_HED
00
R/W
D6
MB_HND
0
R/W
Micbias for Handset
0 => MICBIAS_HND = 2.5 V
1 => MICBIAS_HND = 2.0 V
Reserved (Write only 0000)
Driver Short Circuit Protection Flag.
0 => No short circuit happened.
1 => Short circuit detected on headphone outputs.
Reserved (Write only 0)
D5D2
D1
0’s
0
R
R
SCPFL
D0
X
R
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