參數(shù)資料
型號(hào)： MSM7731-02
廠商： OKI SEMICONDUCTOR CO., LTD.
元件分類： Codec
英文描述： Dual Echo Canceler & Noise Canceler with Dual Codec for Hands-Free
中文描述： 雙回聲消除器
文件頁數(shù)： 32/43頁
文件大?。?/td> 247K
代理商： MSM7731-02
32/43
Semiconductor
MSM7731-01
(4) CR3 (Transmit side level control)
B7, B6 ... Reserved bits
B5, B4, B3, B2, B1, B0 ...... Transmit side level setting (TPAD)
These bits adjust the transmit signal gain and set the mute level. Notice that
only the mute level setting differs from pin control.
When using this register, set the RPAD4, 3, 2, 1 pins to a logic "0".
Modification of initial values is inhibited
(0, 0, 1, 0, 1, 0):
(0, 0, 1, 0, 0, 1):
(0, 0, 1, 0, 0, 0):
(0, 0, 0, 1, 1, 1):
(0, 0, 0, 1, 1, 0):
(0, 0, 0, 1, 0, 1):
(0, 0, 0, 1, 0, 0):
(0, 0, 0, 0, 1, 1):
(0, 0, 0, 0, 1, 0):
(0, 0, 0, 0, 0, 1):
(0, 0, 0, 0, 0, 0):
(1, 1, 1, 1, 1, 1):
(1, 1, 1, 1, 1, 0):
(1, 1, 1, 1, 0, 1):
(1, 1, 1, 1, 0, 0):
(1, 1, 1, 0, 1, 1):
(1, 1, 1, 0, 1, 0):
(1, 1, 1, 0, 0, 1):
(1, 1, 1, 0, 0, 0):
(1, 1, 0, 1, 1, 1):
(1, 1, 0, 1, 1, 0):
(1, 1, 0, 1, 0, 1):
(1, 1, 0, 1, 0, 0):
(1, 1, 0, 0, 1, 1):
(1, 1, 0, 0, 1, 0):
(1, 1, 0, 0, 0, 1):
(1, 1, 0, 0, 0, 0):
(1, 0, 1, 1, 1, 1):
(1, 0, 1, 1, 1, 0):
(1, 0, 1, 1, 0, 1):
(1, 0, 1, 1, 0, 0):
(1, 0, 1, 0, 1, 1):
30 dB
27 dB
24 dB
21 dB
18 dB
15 dB
12 dB
9 dB
6 dB
3 dB
0 dB
–3 dB
–6 dB
–9 dB
–12 dB
–15 dB
–18 dB
–21 dB
–24 dB
–27 dB
–30 dB
–33 dB
–36 dB
–39 dB
–42 dB
–45 dB
–48 dB
–51 dB
–54 dB
–57 dB
–60 dB
MUTE
B7
—
0
B6
—
0
B5
TPAD6
0
B4
TPAD5
0
B3
TPAD4
0
B2
TPAD3
0
B1
TPAD2
0
B0
TPAD1
0
CR3
Initial value
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參數(shù)描述
MSM7731-02GAZ020 制造商:ROHM Semiconductor 功能描述:
MSM7731-02GAZ03A 制造商:ROHM Semiconductor 功能描述:
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