I2Sx_RCSR field descriptions (continued)
Field
Description
Indicates that an enabled receive FIFO is full.
0
No enabled receive FIFO is full.
1
Enabled receive FIFO is full.
16
FRF
FIFO Request Flag
Indicates that the number of words in an enabled receive channel FIFO is greater than the receive FIFO
watermark.
0
Receive FIFO watermark not reached.
1
Receive 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.
8
FRIE
FIFO Request Interrupt Enable
Enables/disables FIFO request interrupts.
0
Disables the interrupt.
1
Enables the interrupt.
7–5
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
4–2
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
1
FWDE
FIFO Warning DMA Enable
Enables/disables DMA requests.
Table continues on the next page...
Chapter 48 Integrated Interchip Sound (I2S) / Synchronous Audio Interface (SAI)
K22F Sub-Family Reference Manual , Rev. 3, 7/2014
Freescale Semiconductor, Inc.
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