h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 10

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

Rev. 3.00 Oct 04, 2005 page x of xl
Item
16.4.4 Data
Transmission and Data
Reception
Figure 16.7 Example
of Reception Operation
Figure 16.8 Example
of Data Reception
Flowchart
Page
442
443
Revision (See Manual for Details)
Figure 16.7 amended
User operation
User operation
User operation
Figure 16.8 amended
LSI operation
LSI operation
LSI operation
(MSB first)
(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
(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
[1]
[2]
Dummy-read
Dummy-read
Dummy-read
SSRDR0
SSRDR0
SSRDR0
Dummy-read SSRDR
Bit
Bit
Bit
Bit
Bit
7
0
0
7
0
SSRDR3
SSRDR0
SSTDR0 (LSB first transmission)
Bit
Bit
Bit
to
to
1
1
6
Initialization
Bit
Bit
Bit
Bit
Bit
2
2
5
7
0
SSRDR1
SSRDR0
1 frame
Bit
Bit
Bit
Bit
Bit
3
0
7
Start
3
4
SSRDR2
SSRDR1
Bit
Bit
Bit
4
to
to
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
SSRDR2
1 frame
RXI
Bit
Bit
Bit
7
to
to
7
0
Bit
Bit
Bit
Bit
0
7
7
0
Read SSRDR0
Bit
Bit
Bit
Bit
1
6
0
7
SSRDR0
SSRDR3
Bit
Bit
Bit
7
to
to
2
5
generated
interrupt
SSTDR0 (MSB first transmission)
Bit
SSRDR0
SSRDR1
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