SNAS806 September 2020 TPL1401
PRODUCTION DATA
To read any register, the following command sequence must be used, as shown in Table 7-7:
An alternative reading method allows for reading back the value of the last register written. The sequence is a start or repeated start with the slave address and the R/ W bit set to 1, and the two bytes of the last register are read out.
The broadcast address cannot be used for reading.
S | MSB | … | R/ W (0) | ACK | MSB | … | LSB | ACK | Sr | MSB | … | R/ W (1) | ACK | MSB | … | LSB | ACK | MSB | … | LSB | ACK |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ADDRESS BYTE Section 7.5.3 |
COMMAND BYTE Section 7.5.4 |
Sr | ADDRESS BYTE Section 7.5.3 |
MSDB | LSDB | ||||||||||||||||
From Master | Slave | From Master | Slave | From Master | Slave | From Slave | Master | From Slave | Master |