ad1843jst Analog Devices, Inc., ad1843jst Datasheet - Page 24

• Manufacturer Part Number: ad1843jst
• Description: Serial-port 16-bit Soundcomm Codec
• Manufacturer: Analog Devices, Inc.

AD1843
SERIAL INTERFACE OUTPUT
ADRV
ADLV
DA2RQ
DA1RQ
res
Contents of Control Register addressed in previous frame.
Data format may be 8-bit unsigned linear PCM, 16-bit signed linear PCM, 8-bit -Law companded, or 8-bit A-Law companded.
MSB is first. DATA7:0 are ignored in 8-bit linear or 8-bit companded modes.
Data format may be 8-bit unsigned linear PCM, 16-bit signed linear PCM, 8-bit -Law companded, or 8-bit A-Law companded.
MSB is first. DATA7:0 are ignored in 8-bit linear or 8-bit companded modes.
Control Register Data Output (Slots 1 or 17)
ADC Left Sample Output (Slots 2 or 18)
Status Word Output (Slot 0 or 16)
ADC Right Sample Output (Slots 3 or 19)
DATA15
DATA15
DATA15
Data 15
Data 15
Data 15
DATA7
DATA7
Data 15
DATA7
Data 7
Data 7
Data 7
Data 7
res
res
Right ADC Channel Output Valid Flag. Set to “1” if slot 3 (or 19) contains valid right ADC capture data.
Left ADC Channel Output Valid Flag. Set to “1” if slot 2 (or 18) contains valid left ADC capture data.
DAC2 Input Request Flag. Set to “1” if DAC2 is enabled and its four word stereo input buffer is not full.
DAC1 Input Request Flag. Set to “1” if DAC1 is enabled and its four word stereo input buffer is not full.
Reserved for future expansion. Read back as “0.” Should be ignored to ensure future compatibility.
DATA14
DATA14
DATA14
Data 14
Data 14
Data 14
DATA6
DATA6
Data 14
DATA6
Data 6
Data 6
Data 6
Data 6
res
res
DATA13
DATA13
DATA13
Data 13
Data 13
Data 13
DATA5
DATA5
Data 13
DATA5
Data 5
Data 5
Data 5
Data 5
res
res
DATA12
DATA12
DATA12
Data 12
Data 12
Data 12
DATA4
DATA4
Data 12
DATA4
Data 4
Data 4
Data 4
Data 4
res
res
–24–
DATA11
DATA11
DATA11
Data 11
Data 11
Data 11
DATA3
DATA3
Data 11
DATA3
Data 3
Data 3
Data 3
Data 3
res
res
DATA10
DATA10
DATA10
Data 10
Data 10
Data 10
DATA2
DATA2
Data 10
DATA2
Data 2
Data 2
Data 2
Data 2
res
res
DATA9
DATA1
DATA9
DATA1
DA2RQ
DATA9
DATA1
Data 9
Data 1
Data 9
Data 1
Data 9
Data 1
Data 9
Data 1
ADRV
DATA8
DATA0
DATA8
DATA0
DA1RQ
DATA8
DATA0
Data 8
Data 0
Data 8
Data 0
Data 8
Data 0
Data 8
Data 0
ADLV
REV. 0