CS4222-KS Cirrus Logic Inc, CS4222-KS Datasheet - Page 19

• Manufacturer Part Number: CS4222-KS
• Description: Audio CODECs IC 20-Bit Stereo Codec w/Vol Cntrl
• Manufacturer: Cirrus Logic Inc

Specifications of CS4222-KS

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 48 KSPs
• Interface Type: Serial (I2C, SPI)
• Resolution: 20 bit
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Minimum Operating Temperature: - 10 C
• Number Of Channels: 2 ADC, 2 DAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Memory Address Pointer (MAP)
MAP2-MAP0 Register Pointer
INCR
This register defaults to 00h.
Reserved Byte (0)
This byte is reserved for internal use and must
be set to 00h for normal operation.
This register defaults to 00h.
ADC Control Byte (1)
PDAD
HPDR-HPDL High pass filter defeat, right and left
ADMR-ADML ADC Muting, right and left
CAL
The following bits are read only:
CALP
CLKE
This register defaults to 00h.
DS236PP3
PDAD HPDR HPDL ADMR ADML CAL CALP CLKE
INCR
B7
B7
B6
B6
0
Auto Increment Control Bit
0 - No auto increment
1 - Auto increment on
Power Down ADC
0 - Normal
1 - Power down
0 - High pass filters active
1 - High pass filters defeated
0 - Normal
1 - Output muted
Calibration control bit
0 - Normal operation
1 - Rising edge initiates calibration
Calibration status
0 - Calibration done
1 - Calibration in progress
Clocking Error
0 - No error
1 - error
B5
B5
0
B4
B4
0
B3
B3
0
MAP2 MAP1 MAP0
B2
B2
B1
B1
B0
B0
DAC Control Byte (2)
PDDA
MUTC
MUTR-MUTL Mute control bits
SOFT
RMP1-0
This register defaults to 00h.
PDDA MUTC MUTR MUTL SOFT
B7
B6
Power Down DAC
0 - Normal
1 - Power down
Controls mute on consecutive zeros
function
0 - 512 consecutive zeros will mute DAC
1 - DAC output will not mute on zeros.
0 - Normal output level
1 - Selected DAC output muted
Soft Mute Control
0 - Volume control changes, muting and
mute-on-zeros occur with "ramp"
1 - Volume control changes, muting and
mute-on-zeros occur on zero crossings
Soft Volume 0.5 dB step rate
0 - 1 step per 8 LRCK’s
1 - 1 step per 4 LRCK’s
2 - 1 step per 16 LRCK’s
3 - 1 step per 32 LRCK’s
B5
B4
B3
B2
0
RMP1 RMP0
CS4222
B1
B0
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