參數(shù)資料
型號: SSM2603-EVALZ
廠商: Analog Devices Inc
文件頁數(shù): 16/32頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR SSM2603
標準包裝: 1
主要目的: 音頻編解碼器
已用 IC / 零件: SSM2603
已供物品:
Data Sheet
SSM2603
Rev. C | Page 23 of 32
ANALOG AUDIO PATH, ADDRESS 0x04
Table 19. Analog Audio Path Register Bit Map
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
SIDETONE_ATT[1:0]
SIDETONE_EN
DACSEL
Bypass
INSEL
MUTEMIC
MICBOOST
Table 20. Descriptions of Analog Audio Path Register Bits
Bit Name
Description
Settings
SIDETONE_ATT[1:0]
Microphone sidetone gain control.
00 = 6 dB (default)
01 = 9 dB
10 = 12 dB
11 = 15 dB
SIDETONE_EN
Sidetone enable. Allows attenuated microphone signal to
be mixed at device output terminal.
0 = sidetone disable (default)
1 = sidetone enable
DACSEL
DAC select. Allows DAC output to be mixed at device
output terminal.
0 = do not select DAC (default)
1 = select DAC
Bypass
Bypass select. Allows line input signal to be mixed at
device output terminal.
0 = bypass disable
1 = bypass enable (default)
INSEL
Line input or microphone input select to ADC.
0 = line input select to ADC (default)
1 = microphone input select to ADC
MUTEMIC
Microphone mute control to ADC.
0 = mute on data path to ADC disable
1 = mute on data path to ADC enable (default)
MICBOOST
Primary microphone amplifier gain booster control.
0 = 0 dB (default)
1 = 20 dB
DIGITAL AUDIO PATH, ADDRESS 0x05
Table 21. Digital Audio Path Register Bit Map
D8
D7
D6
D5
D4
D3
D2
D1
D0
0
HPOR
DACMU
DEEMPH[1:0]
ADCHPF
Table 22. Descriptions of Digital Audio Path Register Bits
Bit Name
Description
Settings
HPOR
Stores dc offset when high-pass filter is disabled
0 = clear offset (default)
1 = store offset
DACMU
DAC digital mute
0 = no mute (signal active)
1 = mute (default)
DEEMPH[1:0]
De-emphasis control
00 = no de-emphasis (default)
01 = 32 kHz sampling rate
10 = 44.1 kHz sampling rate
11 = 48 kHz sampling rate
ADCHPF
ADC high-pass filter control
0 = ADC high-pass filter enable (default)
1 = ADC high-pass filter disable
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