Information

I2Sx_RFRn field descriptions
Field Description
31–19
Reserved
This read-only field is reserved and always has the value zero.
18–16
WFP
Write FIFO Pointer
FIFO write pointer for receive data channel.
15–3
Reserved
This read-only field is reserved and always has the value zero.
2–0
RFP
Read FIFO Pointer
FIFO read pointer for receive data channel.
46.3.18 SAI Receive Mask Register (I2Sx_RMR)
This register is double-buffered and updates:
1. When RCSR[RE] is first set
2. At the end of each frame
This allows the masked words in each frame to change from frame to frame.
Addresses: I2S0_RMR is 4002_F000h base + E0h offset = 4002_F0E0h
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0
RWM
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
I2Sx_RMR field descriptions
Field Description
31–16
Reserved
This read-only field is reserved and always has the value zero.
15–0
RWM
Receive Word Mask
For each word in the frame, configures whether the receive word is masked.
0 Word N is enabled.
1 Word N is masked.
Chapter 46 Synchronous Audio Interface (SAI)
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
Freescale Semiconductor, Inc. 1167