Transmitter/Receiver Mode (Trx); Expand Address (Xa) - Texas Instruments OMAP5912 Reference Manual

I2C Multimaster Peripheral

Transmitter/Receiver Mode (TRX)

2
Table 29. I C Controller Transmitter/Receiver Operating Modes

Expand Address (XA)

80 Serial Interfaces
Master mode only.
When this bit is cleared, the I
data line SDA is shifted into the receiver FIFO and can be read from the
I2C_DATA register.
When this bit is set, the I
written in the transmitter FIFO via I2C_DATA is shifted out on data line SDA.
0: Receiver mode
-
1: Transmitter mode
-
Value after reset is low. The operating modes are defined as shown in
Table 29.
MST
0
0
1
1
When set, this bit expands the address to 10-bit.
0: 7-bit address mode
-
1: 10-bit address mode
-
Value after reset is low.
2
C controller is in the receiver mode, and data on
2
C controller is in the transmitter mode, and the data
TRX Operating Modes
x Slave receiver
x Slave transmitter
0 Master receiver
1 Master transmitter
SPRU760B