CHAPTER 24:Inter-IC Sound (I2S)
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
911
3.2.
I2S Configuration and Operation Modes
Transmission Only Mode
Table 3-1 Transmission Only Mode
Transfer Setting
Operation
Master Mode (I2Sn_CNTREG:MSMD = "1")
Slave Mode (I2Sn_CNTREG:MSMD = "0")
Transmission only
I2Sn_CNTREG:
TXDIS = "0"
I2Sn_CNTREG:
RXDIS = "1"
Start
Free-running mode
(I2Sn_CNTREG:FRUN = "1"):
After I2Sn_OPRREG:START bit becomes "1" and
I2Sn_OPRREG:TXENB bit is "1", frame
synchronous signal starts to output when
transmission FIFO is not empty. From the second
time, frame synchronous signal is output with the
frame rate determined by the register setting. If
transmission FIFO is empty, empty frame is output
at the same time of frame synchronous signal
output. Serial data of the empty frame can be set
to "0" or "1" by the register setting.
Burst mode
(I2Sn_CNTREG:FRUN = "0"):
If transmission FIFO is not empty,
I2Sn_OPRREG:START bit is "1" and
I2Sn_OPRREG:TXENB bit is "1", frame
synchronous signal is output.
After completion of one frame output, transmission
FIFO status is always confirmed. If transmission
FIFO is not empty, frame synchronous signal is
output to perform frame transmission.
Free-running mode (I2Sn_CNTREG:FRUN =
"1"):
The frame synchronous signal is input at the
frame rate determined by the register
setting. If transmission FIFO is empty when the
frame synchronous signal is input when
I2Sn_OPRREG:START bit is "1" and
I2Sn_OPRREG:TXENB bit is "1", empty frame
is output.
Serial data of the empty frame can be set to "0"
or "1" by the register setting.
Burst mode
(I2Sn_CNTREG:FRUN = "0"):
When I2Sn_OPRREG:START bit is "1" and
I2Sn_OPRREG:TXENB bit is "1", one frame is
output every time the frame synchronous signal
is input. When transmission FIFO is empty at
the time of frame synchronous signal input,
empty frame is output.
Содержание S6J3200 Series
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