Information
I2Sx_TCSR field descriptions (continued)
Field Description
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 read-only field is reserved and always has the value zero.
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.
8
FRIE
FIFO Request Interrupt Enable
Enables/disables FIFO request interrupts.
0 Disables the interrupt.
1 Enables the interrupt.
7–5
Reserved
This read-only field is reserved and always has the value zero.
4–2
Reserved
This read-only field is reserved and always has the value zero.
1
FWDE
FIFO Warning DMA Enable
Enables/disables DMA requests.
Table continues on the next page...
Chapter 46 Synchronous Audio Interface (SAI)
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
Freescale Semiconductor, Inc. 1151
