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Section 18 Serial Sound Interface
R01UH0134EJ0400 Rev. 4.00 Page 909 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Bit Bit Name
Initial
Value R/W Description
1 RSWNO 1 R Receive Serial Word Number
This status bit indicates the current word number.
This bit indicates which system word the data in
SSIRDR currently represents. This value will change as
the data in SSIRDR is updated from the shift register,
regardless of whether SSIRDR has been read.
0 IDST 1 R Idle Mode Status Flag
This status flag indicates that the serial bus activity has
stopped.
This bit is cleared to 0 if the serial bus are currently
active while TEN = 1 or REN = 1.
This bit is automatically set to 1 if both TEN and REN
are cleared to 0 and the current system word
communication is completed.
Note: If the external device stops the serial bus clock
before the current system word is completed,
this bit is not set.
Note: * The bit can be read or written to. Writing 0 initializes the bit, but writing 1 is ignored.