CHAPTER 24:Inter-IC Sound (I2S)
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
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When I2Sn_CNTREG:BEXT is "1", it is extended with MSB of reception word (sign extension). For the
case that the value is "0", it is enhanced by "0".
Reading this register returns a word of data from the Rx FIFO location pointed by the Rx FIFO read
pointer. After a read access to this register, the Rx FIFO read pointer is incremented, provided that the
read cycle was initiated by the AHB master other than the Debug Access Port (DAP) controller. If the
DAP controller reads this register, the Rx FIFO read pointer is not incremented.
When I2Sn_STATUS:RXNUM is 0x00000000, invalid data is read. An Rx FIFO underflow error
(I2Sn_STATUS:RXUDR) flag is set, if the read cycle was initiated by the AHB master other than the
DAP controller. If the DAP controller reads this register while the Rx FIFO is empty, the
I2Sn_STATUS:RXUDR flag is not set.
Summary of Contents for S6J3200 Series
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