Renesas RX Series User Manual

R01UH0823EJ0100 Rev.1.00 Page 1403 of 1823
Jul 31, 2019
RX23W Group 38. Serial Peripheral Interface (RSPIa)
Figure 38.45 shows the relationship between the command and the transmit and receive buffers in the sequence of
operations specified by the settings in
Table 38.4.
Figure 38.45 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

Renesas RX Series Specifications

General

Core	RXv1, RXv2, RXv3
Flash Memory	Up to 8 MB
RAM	Up to 1 MB
Operating Voltage	1.62V to 5.5V
Operating Temperature	-40°C to +85°C or +105°C
Package	BGA, LQFP
ADC Resolution	12-bit
DAC Resolution	12-bit
Communication Interfaces	SCI, SPI, I2C, USB, Ethernet, CAN
Architecture	32-bit
Security Features	Memory Protection Unit (MPU)