CHAPTER 24:Inter-IC Sound (I2S)
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
935
[bit30:26] S1CHN : Sub Frame 1 Channel Numbers
Number of channels of sub frame 1 is set.
This is valid only when the frame is 2 sub frame construction (I2Sn_CNTREG:SBFN is "1") and is
invalid when the frame is 1 sub frame construction (I2Sn_CNTREG:SBFN is "0").
Up to 32 channels can be specified, and S1CHN needs to be set to "number of channel - 1".
Setting examples are shown below.
Bits
Description
00000
Sub frame 1 becomes 1 channel construction
00001
Sub frame 1 becomes 2 channel construction
00010
Sub frame 1 becomes 3 channel construction
...
...
11110
Sub frame 1 becomes 31 channel construction
11111
Sub frame 1 becomes 32 channel construction
[bit25:21] S1CHL : Sub Frame 1 Channel Length
Channel length of the channel constructing sub frame 1 (bit length of channel) is set.
7 to 32 bits of channel length are available but 1 to 6 bits are prohibited. S1CHL needs to be set to
"channel length - 1"
Setting examples are shown below.
Bits
Description
00000-00101
Setting is prohibited
00110
Sub frame 1 channel length is 7 bits
00111
Sub frame 1 channel length is 8 bits
...
...
11110
Sub frame 1 channel length is 31 bits
11111
Sub frame 1 channel length is 32 bits
Channel length can be set to 32 bits or less regardless of I2Sn_CNTREG:RHLL.
[bit20:16] S1WDL : Sub Frame 1 Word Length
word length of the channel constructing sub frame 1 (bit length of word) is set.
7 to 32 bits of word length are available but 1 to 6 bits are prohibited. S1WDL needs to be set to "word
length - 1"
S1WDL needs to be set less than or equal to the value set in I2Sn_MCR0REG:S1CHL.
Setting examples are shown below.
Bits
Description
00000-00101
Setting is prohibited
00110
Sub frame 1 word length is 7 bits
00111
Sub frame 1 word length is 8 bits
...
Содержание S6J3200 Series
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