R01UH0823EJ0100 Rev.1.00
Page 1389 of 1823
Jul 31, 2019
RX23W Group
38. Serial Peripheral Interface (RSPIa)
shows the relationship between the command and the transmit and receive buffers in the sequence of
operations specified by the settings in
Figure 38.33
Correspondence between the RSPI Command Register and Transmit/Receive Buffers in
Sequence Operations
SPTX0/SPRX0
Only 1 frame
Setting 1-1
Setting 1-2
Setting 1-3
Setting 1-4
Setting 2-1
Setting 2-2
1st frame
2nd frame
1st frame
2nd frame
3rd frame
SPCMD0
SPTX0/SPRX0
SPCMD0
SPCMD1
SPTX1/SPRX1
SPTX0/SPRX0
SPTX1/SPRX1
SPTX2/SPRX2
SPCMD0
SPCMD0
SPCMD0
1st frame
2nd frame
3rd frame
SPTX0/SPRX0
SPTX1/SPRX1
SPTX2/SPRX2
SPCMD0
SPCMD0
SPCMD0
4th frame
SPTX3/SPRX3
SPCMD0
1st frame
2nd frame
3rd frame
SPTX0/SPRX0
SPTX1/SPRX1
SPTX2/SPRX2
SPCMD0
SPCMD1
SPCMD0
4th frame
SPTX3/SPRX3
SPCMD1
1st frame
2nd frame
SPTX0/SPRX0
SPCMD0
SPCMD0
SPTX1/SPRX1
Setting 3
Setting 4
1st frame
2nd frame
3rd frame
SPTX0/SPRX0
SPTX1/SPRX1
SPTX2/SPRX2
SPCMD0
SPCMD1
SPCMD2
1st frame
2nd frame
3rd frame
SPTX0/SPRX0
SPTX1/SPRX1
SPTX2/SPRX2
SPCMD0
SPCMD1
SPCMD2
4th frame
SPTX3/SPRX3
SPCMD3
Setting 5
1st frame
2nd frame
3rd frame
SPTX0/SPRX0
SPTX0/SPRX0
SPTX0/SPRX0
SPCMD0
SPCMD1
SPCMD2
4th frame
SPTX0/SPRX0
SPCMD3
5th frame
SPTX0/SPRX0
SPCMD4
Setting 6
1st frame
2nd frame
3rd frame
SPTX0/SPRX0
SPTX0/SPRX0
SPTX0/SPRX0
SPCMD0
SPCMD1
SPCMD2
4th frame
SPTX0/SPRX0
SPCMD3
5th frame
SPTX0/SPRX0
SPCMD4
6th frame
SPTX0/SPRX0
SPCMD5
Setting 7
1st frame
2nd frame
3rd frame
SPTX0/SPRX0
SPTX0/SPRX0
SPTX0/SPRX0
SPCMD0
SPCMD1
SPCMD2
4th frame
SPTX0/SPRX0
SPCMD3
5th frame
SPTX0/SPRX0
SPCMD4
6th frame
SPTX0/SPRX0
SPCMD5
7th frame
SPTX0/SPRX0
SPCMD6
Setting 8
1st frame
2nd frame
3rd frame
SPTX0/SPRX0
SPTX0/SPRX0
SPTX0/SPRX0
SPCMD0
SPCMD1
SPCMD2
4th frame
SPTX0/SPRX0
SPCMD3
5th frame
SPTX0/SPRX0
SPCMD4
6th frame
SPTX0/SPRX0
SPCMD5
7th frame
SPTX0/SPRX0
SPCMD6
8th frame
SPTX0/SPRX0
SPCMD7