CS53L21-DNZR データシートの表示（PDF） - Cirrus Logic
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CS53L21-DNZR Datasheet PDF : 66 Pages
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CS53L21
ADCA[1:0]
01
10
11
SDOUT
L-----+----R---
2
R
ADCB[1:0]
01
10
11
SDOUT
L-----+----R---
2
L
Function:
Implements mono mixes of the left and right channels as well as a left/right channel swap.
6.13 ALC Enable & Attack Rate (Address 1Ch)
7
ALC_ENB
6
5
4
3
2
1
0
ALC_ENA ALC_ARATE5 ALC_ARATE4 ALC_ARATE3 ALC_ARATE2 ALC_ARATE1 ALC_ARATE0
ALC Enable (ALC_ENX)
Default: 0
0 - Disabled
1 - Enabled
Function:
Enables automatic level control for ADC channel x.
Note: When the ALC is enabled, the Attenuator and PGA volume is automatically controlled and should
not be adjusted manually.
ALC Attack Rate (ARATE[5:0])
Default: 000000
Binary Code
000000
···
111111
Function:
Attack Time
Fastest Attack
···
Slowest Attack
Sets the rate at which the ALC attenuates the analog input from levels above the maximum setting in the
ALC threshold register.
The limiter attack rate is user-selectable but is also a function of the sampling frequency, Fs, and the SOFTx
& ZCROSSx bit settings unless the disable bit for each function is enabled.
6.14 ALC Release Rate (Address 1Dh)
7
Reserved
6
5
4
3
2
1
0
Reserved ALC_RRATE5 ALC_RRATE4 ALC_RRATE3 ALC_RRATE2 ALC_RRATE1 ALC_RRATE0
ALC Release Rate (RRATE[5:0])
Default: 111111
Binary Code
000000
···
111111
Release Time
Fastest Release
···
Slowest Release
52
DS700PP1
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