參數(shù)資料
型號(hào)： MSM7708-02
廠商： OKI SEMICONDUCTOR CO., LTD.
元件分類： Codec
英文描述： Serial Register Interface ADPCM CODEC for Telephone Recording(用于電話記錄的串行寄存器接口ADPCM編碼譯碼器)
中文描述： 串行接口差分PcM注冊(cè)解碼器的電話錄音（用于電話記錄的串行寄存器接口差分PcM編碼譯碼器）
文件頁(yè)數(shù)： 22/38頁(yè)
文件大小： 232K
代理商： MSM7708-02
Semiconductor
MSM7708-02
22/38
FUNCTIONAL DESCRIPTION
Control Register Description
(1) CR0 (Basic Operation Mode Settings)
B7:..............PCM interface companding law selection
B6:..............Automatic suppression function control 0: suppression off
1: suppression on
When transmit voice is detected, receive level is suppressed automatically
by 6 dB.
B5:..............Power down (entire unit)
0: Power ON
ORed with the inverted external power down signal. When using this
data, set
PDN
to "1".
B4:..............Power down (transmit side only)
B3:..............Power down (receive side only)
B2:..............The sounder output amp (SAO) and receiver system output amp
(VFRO) operation control
0: The output pin selected by CR0 - B1 operates.
1: The sounder system output (SAO) and receiver system output (VFRO)
both operate.
B1:..............Selection of sounder system output (SAO) or receiver system output
0: VFRO
1: SAO
SGR potential is output to the non selected pin.
B0:..............AOUT+, AOUT– power on control
0: AOUT+, – power down
1: AOUT+, – power on
0:
m
-law1: A-law
1: Power down
0: Power ON
0: Power ON
1: Power down
1: Power down
CR0
Initial value
A/
m
SEL
0
B7
—
0
B6
PDN
ALL
0
B5
PDN
TX
0
B4
PDN
RX
0
B3
SA, VF
OUT
0
B2
SAO/
VFRO
0
B1
AOUT
PON
0
B0
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