I2Cn_Cmd - Command Register - Silicon Laboratories EFR32xG14 Wireless Gecko Reference Manual

Bit Name
Value
0
1

17.5.2 I2Cn_CMD - Command Register

Offset
0x004
Reset
Access
Name
Bit Name
31:8 Reserved
7 CLEARPC
Set to clear pending commands.
6 CLEARTX
Set to clear transmit buffer and shift register. Will not abort ongoing transfer.
5 ABORT
Abort the current transmission making the bus go idle. When used in combination with STOP, a STOP condition is sent as
soon as possible before aborting the transmission. The stop condition is subject to clock synchronization.
4 CONT
Set to continue transmission after a NACK has been received.
3 NACK
Set to transmit a NACK the next time an acknowledge is required.
2 ACK
Set to transmit an ACK the next time an acknowledge is required.
1 STOP
Set to send stop condition as soon as possible.
0 START
Set to send start condition as soon as possible. If a transmission is ongoing and not owned, the start condition will be sent
as soon as the bus is idle. If the current transmission is owned by this module, a repeated start condition will be sent. Use
in combination with a STOP command to automatically send a STOP, then a START when the bus becomes idle.
silabs.com | Building a more connected world.
Reset Access Description
Description
The I
The I
Reset Access Description
To ensure compatibility with future devices, always write bits to 0. More information in
tions
0 W1 Clear Pending Commands
0 W1 Clear TX
0 W1 Abort Transmission
0 W1 Continue Transmission
0 W1 Send NACK
0 W1 Send ACK
0 W1 Send Stop Condition
0 W1 Send Start Condition
I2C - Inter-Integrated Circuit Interface
2
C module is disabled. And its internal state is cleared
2
C module is enabled.
Bit Position
Reference Manual
1.2 Conven-
Rev. 1.1 | 507