Silicon Laboratories EFR32xG14 Wireless Gecko Reference Manual page 506

Bit Name
1
5 ARBDIS
A master or slave will not release the bus upon losing arbitration.
Value
0
1
4 AUTOSN
Write to 1 to make a master transmitter send a STOP when a NACK is received from a slave.
Value
0
1
3 AUTOSE
Write to 1 to make a master transmitter send a STOP when no more data is available for transmission.
Value
0
1
2 AUTOACK
Set to enable automatic acknowledges.
Value
0
1
1 SLAVE
Set this bit to allow the device to be selected as an I
Value
0
1
0 EN
Use this bit to enable or disable the I
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Reset Access Description
When a general call address is received, a software response is re-
quired.
0 RW Arbitration Disable
Description
When a device loses arbitration, the ARB interrupt flag is set and the
bus is released.
When a device loses arbitration, the ARB interrupt flag is set, but com-
munication proceeds.
0 RW Automatic STOP on NACK
Description
Stop is not automatically sent if a NACK is received from a slave.
The master automatically sends a STOP if a NACK is received from a
slave.
0 RW Automatic STOP When Empty
Description
A stop must be sent manually when no more data is to be transmitted.
The master automatically sends a STOP when no more data is availa-
ble for transmission.
0 RW Automatic Acknowledge
Description
Software must give one ACK command for each ACK transmitted on
the I
Addresses that are not automatically NACK'ed, and all data is automat-
ically acknowledged.
0 RW Addressable as Slave
2
Description
All addresses will be responded to with a NACK
Addresses matching the programmed slave address or the general call
address (if enabled) require a response from software. Other address-
es are automatically responded to with a NACK.
0 RW 2
I C Enable
2
C module.
2
C bus.
C slave.
Reference Manual
I2C - Inter-Integrated Circuit Interface
Rev. 1.1 | 506