Arbitration_Lost (Al); Reset Done (Rdone) - Texas Instruments OMAP5912 Reference Manual

I2C Multimaster Peripheral

Arbitration_Lost (AL)

Table 23. System Status Register(I2C_SYSS)
Bit Name
15:1 −
0 RDONE−

Reset Done (RDONE)

74 Serial Interfaces
The LH is able to clear this bit only by writing a 1 into this register. Writing 0 has
no effect.
0: Normal/no action required
-
1: NACK
-
Value after reset is low.
The read-/clear-only ARBITRATION_LOST flag bit is set to 1 when the device
in the master transmitter mode senses it has lost an arbitration. This occurs
when two or more transmitters start a transmission almost simultaneously, or
2
when the I C attempts to start a transfer while BB (bus busy) is 1.
When this is set to 1 due to arbitration lost, the core automatically clears the
MST/STP bits in the I2C_CON register and the I
The LH is able to clear this bit only by writing a 1 to this register. Writing 0 has
no effect.
0: Normal/no action required
-
1: Arbitration lost
-
Value after reset is low.
Description
Reserved
Reset Done
This read-only bit indicates the state of the reset in case of hardware reset,
global software reset (I2C_SYSC.SRST), or partial software reset
(I2C_CON.I2C_EN).
The module must receive all its clocks before it can grant a reset-completed
status.
0: Internal module reset is ongoing or partially held in reset
-
1: Reset completed
-
2
C becomes a slave receiver.
SPRU760B