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參數(shù)資料
| 型號： | TLV320AIC28RGZ |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC48 |
| 封裝： | 7 X 7 MM, PLASTIC, QFN-48 |
| 文件頁數(shù)： | 54/85頁 |
| 文件大小： | 1053K |
| 代理商： | TLV320AIC28RGZ |
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TLV320AIC28
SLAS418B FEBRUARY 2004 REVISED MAY 2005
www.ti.com
58
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
RESET VALUE
READ/WRITE
FUNCTION
D15D2
D_VAL
0
(decimal)
R/W
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
NAME
RESET VALUE
READ/WRITE
FUNCTION
D15
ADSTPD
0
R/W
Headset/Aux or Handset PGA Softstepping Control
0 => Enable softstepping
1 => Disable softstepping
D14
DASTPD
0
R/W
DAC PGA Softstepping Control
0 => Enable softstepping
1 => Disable softstepping
D13
ASSTPD
0
R/W
Analog Sidetone PGA Softstepping Control
0 => Enable softstepping
1 => Disable softstepping
Note: When softstepping is enabled gain is changed 0.5 dB per Fsref.
D12
CISTPD
0
R/W
Cellphone PGA Softstepping Control
0 => Enable softstepping
1 => Disable softstepping
Note: When softstepping is enabled gain is changed 0.5 dB per Fsref.
D11
BISTPD
0
R/W
Buzzer PGA Softstepping Control
0 => Enable softstepping
1 => Disable softstepping
Note: When softstepping is enabled gain is changed 3 dB per Fsref.
D10D9
AGCHYS
00
R/W
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
D8D7
MB_HED
00
R/W
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
D6
MB_HND
0
R/W
Micbias for Handset
0 => MICBIAS_HND = 2.5 V
1 => MICBIAS_HND = 2.0 V
D5D2
0’s
R
Reserved (Write only 0000)
D1
SCPFL
0
R
Driver Short Circuit Protection Flag.
0 => No short circuit happened.
1 => Short circuit detected on headphone outputs.
D0
X
R
Reserved (Write only 0)
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