h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 482

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 16 Synchronous Serial Communication Unit (SSU)
Rev. 3.00 Oct 04, 2005 page 442 of 598
REJ09B0155-0300
User operation
User operation
User operation
LSI operation
LSI operation
LSI operation
(MSB first)
(1) When 8-bit data length is selected (SSRDR0 is valid) with CPOS = 0 and CPHS = 0
(2) When 16-bit data length is selected (SSRDR0 and SSRDR1 are valid) with CPOS = 0 and CPHS = 0
(MSB first)
(3) When 32-bit data length is selected (SSRDR0, SSRDR1, SSRDR2, and SSRDR3 are valid) with CPOS = 0 and CPHS = 0
(LSB first)
(LSB first)
SSCK
RDRF
SSCK
RDRF
SSCK
RDRF
SCS
SCS
SCS
SSI
SSI
SSI
SSI
SSI
Dummy-read
Dummy-read
Dummy-read
SSRDR0
SSRDR0
SSRDR0
Bit
Bit
Bit
Bit
Bit
0
7
0
7
0
SSRDR3
SSRDR0
SSTDR0 (LSB first transmission)
Bit
Bit
Bit
to
to
1
1
6
Figure 16.7 Example of Reception Operation
Bit
Bit
Bit
Bit
Bit
2
2
5
7
0
SSRDR1
SSRDR0
1 frame
Bit
Bit
Bit
Bit
Bit
3
3
4
0
7
SSRDR2
SSRDR1
Bit
Bit
Bit
to
to
4
4
3
Bit
Bit
Bit
Bit
Bit
5
5
2
7
0
Bit
Bit
Bit
Bit
Bit
6
6
1
0
7
generated
interrupt
SSRDR1
1 frame
SSRDR2
RXI
Bit
Bit
Bit
to
to
7
7
0
Bit
Bit
Bit
Bit
0
7
0
7
Read SSRDR0
Bit
Bit
Bit
Bit
1
0
7
6
SSRDR0
SSRDR3
Bit
Bit
Bit
7
to
to
2
5
generated
interrupt
SSTDR0 (MSB first transmission)
SSRDR0
SSRDR1
Bit
RXI
Bit
Bit
Bit
Bit
6
3
4
7
0
Bit
Bit
Bit
5
4
3
1 frame
Bit
Bit
Bit
4
5
2
Bit
Bit
Bit
3
6
1
generated
interrupt
RXI
Bit
Bit
Bit
2
7
0
Bit
1
generated
interrupt
RXI
Bit
0