參數(shù)資料
型號: MSM7731-01
廠商: OKI SEMICONDUCTOR CO., LTD.
元件分類: Codec
英文描述: Multifunction PCM CODEC (Voice Signal Processor)
中文描述: 多功能的PCM編解碼器(語音信號處理器)
文件頁數(shù): 31/43頁
文件大?。?/td> 247K
代理商: MSM7731-01
31/43
Semiconductor
MSM7731-01
(3) CR2 (Receive side level control)
B7, B6 ... Reserved bits
B5, B4, B3, B2, B1, B0 ...... Receive side level setting (RPAD)
These bits adjust the receive 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
RPAD6
0
B4
RPAD5
0
B3
RPAD4
0
B2
RPAD3
0
B1
RPAD2
0
B0
RPAD1
0
CR2
Initial value
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