ADAU1373BCBZ-RL AD [Analog Devices], ADAU1373BCBZ-RL Datasheet - Page 54
![no-image](/images/no-image-200.jpg)
ADAU1373BCBZ-RL
Manufacturer Part Number
ADAU1373BCBZ-RL
Description
Low Power Codec with Speaker and Headphone Amplifier
Manufacturer
AD [Analog Devices]
Datasheet
1.ADAU1373BCBZ-RL.pdf
(296 pages)
- Current page: 54 of 296
- Download datasheet (9Mb)
ADAU1373
SERIAL DATA INPUT/OUTPUT FORMATS
The flexible serial data input and output ports of the ADAU1373
can be set to accept or transmit data in 2-channel format. Data
is processed in twos complement, MSB first format. The left
channel data field always precedes the right channel data field
in 2-channel streams. The digital audio input can support the
following audio formats:
•
•
•
•
I
Left justified
Right justified
Digital signal processor (DSP) mode
SDATAOUTx
2
SDATAOUTx
S mode
SDATAINx,
SDATAINx,
SDATAOUTx
LRCLKx
LRCLKx
BCLKx
BCLKx
SDATAINx,
LRCLKx
BCLKx
SDATAOUTx
Figure 101. DSP/Pulse Code Modulation (PCM) Mode Audio Interface Submode 1 (SM1), Register 0x44 to Register 0x46, Bit LRPx = 0
SDATAINx/
SDATAINx/
SDATOUTx
LRCLKx
LRCLKx
BCLKx
BCLKx
MSB
Figure 102. DSP/PCM Mode Audio Interface Submode 2 (SM2), Register 0x44 to Register 0x46, Bit LRPx = 1
MSB
1
MSB
2
1
LEFT CHANNEL
LEFT CHANNEL
LEFT CHANNEL
2
3
Figure 100. Right-Justified Mode—16 Bits to 24 Bits per Channel
Figure 99. Left-Justified Mode—16 Bits to 24 Bits per Channel
LEFT CHANNEL
3
LEFT CHANNEL
Figure 98. I
FALLING EDGE CAN OCCUR ANYWHERE IN THIS AREA
LSB
2
S Mode—16 Bits to 24 Bits per Channel
LSB
Rev. 0 | Page 54 of 296
N
LSB
N
1/
1
f
S
1/
1/
1/
f
f
f
1/
S
1
S
S
2
The mode selection is performed by writing to the FORMATx
bits (Bits[1:0]) of the digital audio interface settings registers
(Register 0x44, Register 0x45, and Register 0x46). All modes
are MSB first and operate with data of 16 bits to 32 bits.
The serial data clocks must be synchronous with the ADAU1373
master clock input. The LRCLKx (Ball D3, Ball E2, and Ball F1)
and BCLKx (Ball D2, Ball E4, and Ball F2) pins are used to
clock both the serial input and output ports. The ADAU1373
can be set as the master or the slave in a system. See Figure 98 to
Figure 102 for the proper configurations for standard audio
data formats.
f
MSB
S
2
RIGHT CHANNEL
3
MSB
RIGHT CHANNEL
3
RIGHT CHANNEL
MSB
RIGHT CHANNEL
RIGHT CHANNEL
N
N
LSB
LSB
LSB
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