ssm2602 Analog Devices, Inc., ssm2602 Datasheet - Page 21

• Manufacturer Part Number: ssm2602
• Description: Low Power Audio Codec
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
ANALOG AUDIO PATH, ADDRESS 0x04
Table 19. Analog Audio Path Register Bit Map
D8
MICBOOST2
Table 20. Descriptions of Analog Audio Path Register Bits
Bit Name
MICBOOST2
SIDETONE_ATT [1:0]
SIDETONE_EN
DACSEL
BYPASS
INSEL
MUTEMIC
MICBOOST
DIGITAL AUDIO PATH CONTROL, ADDRESS 0x05
Table 21. Digital Audio Path Control Register Bit Map
D8
0
Table 22. Descriptions of Digital Audio Path Control Register Bits
Bit Name
HPOR
DACMU
DEEMPH [1:0]
ADCHPD
D7
0
D7
SIDETONE_ATT [1:0]
Description
Store dc offset when high-pass filter is disabled
DAC digital mute
De-emphasis control
ADC high-pass filter control
D6
0
Description
Additional microphone amplifier gain booster control
Microphone sidetone gain control
DAC select
Line input bypass to line output
Microphone/line level boost
Microphone mute control
Primary microphone amplifier gain booster control
D6
D5
0
D5
SIDETONE_EN
D4
HPOR
D4
DACSEL
Rev. PrB | Page 21 of 28
D3
DACMU
D3
BYPASS
Settings
0 = 0 dB (default)
1 = 20 dB
00 = −6 dB (default)
01 = −9 dB
10 = −12 dB
11 = −15 dB
0 = sidetone disable (default)
1 = sidetone enable
0 = do not select DAC (default)
1 = select DAC
0 = bypass disable
1 = bypass enable (default)
0 = microphone input select to ADC (default)
1 = line input select to ADC
0 = mute disable
1 = mute enable (default)
0 = 0 dB (default)
1 = 20 dB
Settings
0 = store offset disable (default)
1 = store offset enable
0 = no mute (signal active)
1 = mute (default)
00 = no de-emphasis (default)
01 = 32 kHz sampling rate
10 = 44.1 kHz sampling rate
11 = 48 kHz sampling rate
0 = ADC high-pass filter disable (default)
1 = ADC high-pass filter enable
D2
D2
INSEL
DEEMPH [1:0]
D1
D1
MUTEMIC
D0
ADCHPD
D0
MICBOOST
SSM2602