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Section 22 Renesas SPDIF Interface
Page 1168 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
22.7.6 Transmitter User Data Register (TUI)
U-bit data in subframes is written in to this register. Because U-bit data is transmitted in a
sequence of subframes 1 and 2, you need to update the data on a 16-frame basis. For the contents
of the user bytes refer to the appropriate standard for the device in use. The user bits to be
transmitted are set in sequence starting at the LSB.
31 30 29 28 27 26 25 24
00000000
WWWWWWWW
23 22 21 20 19 18 17
16
00000000
WWWWWWWW
15 14 13 12 11 10 9
8
00000000
WWWWWWWW
7654321
0
00000000
WWWWWWWW
Bit:
Initial value:
R/W:
User Byte 4
Bit:
Initial value:
R/W:
User Byte 3
Bit:
Initial value:
R/W:
User Byte 2
Bit:
Initial value:
R/W:
User Byte 1
Bit Bit Name
Initial
Value
R/W Description
31 to 24 User Byte 4 All 0 W U-bit information is stored here.
23 to 16 User Byte 3 All 0 W
15 to 8 User Byte 2 All 0 W
7 to 0 User Byte 1 All 0 W