sta538 STMicroelectronics, sta538 Datasheet - Page 34
sta538
Manufacturer Part Number
sta538
Description
2 X 1.3 W Class-d Amplifier With Analog Or Digital Input 2.0 Multichannel Digital Audio Processor With Ffx
Manufacturer
STMicroelectronics
Datasheet
1.STA538.pdf
(59 pages)
- Current page: 34 of 59
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I
9.6
9.6.1
9.6.2
9.7
9.7.1
9.7.2
9.7.3
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2
C interface
Write operation
Read operation
Following the start condition the master sends a device select code with the R/W bit set to 0.
The STA538 acknowledges this and the writes to the byte of the internal address. After
receiving the internal byte address, the STA538 responds with an acknowledgement.
Byte write
In the byte-write mode the master sends one data byte. This is acknowledged by the
STA538. The master then terminates the transfer by generating a stop condition.
Multi-byte write
The multi-byte write modes can start from any internal address. The master generates a
stop condition which terminates the transfer.
Current address byte read
Following the start condition the master sends a device select code with the R/W bit set
to 1. The STA538 acknowledges this and then responds by sending one byte of data. The
master then terminates the transfer by generating a stop condition.
Current address multi-byte read
The multi-byte read modes can start from any internal address. Sequential data bytes are
read from sequential addresses within the STA538. The master acknowledges each data
byte read and then generates a stop condition terminating the transfer.
Random address byte read
Following the start condition the master sends a device select code with the R/W bit set to 0.
The STA538 acknowledges this and then the master writes the internal address byte. After
receiving the internal byte address, the STA538 again responds with an acknowledgement.
The master then initiates another start condition and sends the device select code with the
R/W bit set to 1. The STA538 acknowledges this and then responds by sending one byte of
data. The master then terminates the transfer by generating a stop condition.
STA538
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