I2Sx_TCSR field descriptions (continued)
Field Description
19
SEF
Sync Error Flag
Indicates that an error in the externally-generated frame sync has been detected. Write a logic 1 to this
field to clear this flag.
0 Sync error not detected.
1 Frame sync error detected.
18
FEF
FIFO Error Flag
Indicates that an enabled transmit FIFO has underrun. Write a logic 1 to this field to clear this flag.
0 Transmit underrun not detected.
1 Transmit underrun detected.
17
FWF
FIFO Warning Flag
Indicates that an enabled transmit FIFO is empty.
0 No enabled transmit FIFO is empty.
1 Enabled transmit FIFO is empty.
16
FRF
FIFO Request Flag
Indicates that the number of words in an enabled transmit channel FIFO is less than or equal to the
transmit FIFO watermark.
0 Transmit FIFO watermark has not been reached.
1 Transmit FIFO watermark has been reached.
15–13
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
12
WSIE
Word Start Interrupt Enable
Enables/disables word start interrupts.
0 Disables interrupt.
1 Enables interrupt.
11
SEIE
Sync Error Interrupt Enable
Enables/disables sync error interrupts.
0 Disables interrupt.
1 Enables interrupt.
10
FEIE
FIFO Error Interrupt Enable
Enables/disables FIFO error interrupts.
0 Disables the interrupt.
1 Enables the interrupt.
9
FWIE
FIFO Warning Interrupt Enable
Enables/disables FIFO warning interrupts.
0 Disables the interrupt.
1 Enables the interrupt.
Table continues on the next page...
Chapter 49 Integrated Interchip Sound (I2S) / Synchronous Audio Interface (SAI)
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 1343