r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 1052

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 19 Synchronous Serial Communication Unit (SSU)
Rev. 1.00 Sep. 19, 2008 Page 1024 of 1270
REJ09B0466-0100
Figure 19.7 (2) Example of Reception Operation (SSU Mode) When 16-Bit Data Length is
Figure 19.7 Example of Reception Operation (SSU Mode) When 24-Bit Data Length is
Selected (SSRDR0, SSRDR1, and SSRDR2 are Valid) with CPOS = 0 and CPHS = 0 (3)
Selected (SSRDR0 and SSRDR1 are Valid) with CPOS = 0 and CPHS = 0
User operation
LSI operation
User operation
(MSB first)
LSI operation
(LSB first)
(MSB first)
(LSB first)
RDRF
SSCK
SCS
SSI
SSI
SSCK
RDRF
SCS
SSI
SSI
Dummy-read SSRDR0,
SSRDR1, and SSRDR2
Dummy-read SSRDR0 and SSRDR1
Bit
Bit
Bit
Bit
7
0
0
7
Bit
Bit
Bit
Bit
6
1
1
6
SSRDR2
SSRDR0
Bit
Bit
to
to
5
2
SSRDR1
SSRDR0
Bit
Bit
Bit
Bit
4
6
1
3
Bit
Bit
Bit
Bit
3
7
0
4
Bit
Bit
Bit
Bit
2
0
7
5
1 frame
Bit
Bit
Bit
Bit
1
6
1
6
SSRDR1
SSRDR1
1 frame
Bit
Bit
0
to
to
7
Bit
Bit
Bit
Bit
6
1
7
0
Bit
Bit
Bit
Bit
7
0
1
6
Bit
Bit
Bit
Bit
2
5
0
7
SSRDR1
SSRDR0
Bit
Bit
Bit
Bit
3
4
1
6
SSRDR0
SSRDR2
Bit
Bit
to
to
4
3
Bit
Bit
Bit
Bit
5
2
6
1
RXI interrupt
generated
RXI interrupt
Bit
Bit
Bit
Bit
6
1
7
0
generated
Bit
Bit
7
0