h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 479

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

(1) When 8-bit data length is selected (SSTDR0 is valid) with CPOS = 0 and CPHS = 0
(2) When 16-bit data length is selected (SSTDR0 and SSTDR1 are valid) with CPOS = 0 and CPHS = 0
(3) When 32-bit data length is selected (SSTDR0, SSTDR1, SSTDR2, and SSTDR3 are valid) with CPOS = 0 and CPHS = 0
User operation
User operation
User operation
LSI operation
LSI operation
LSI operation
(MSB first)
(MSB first)
(LSB first)
(LSB first)
SSCK
TDRE
TEND
SSCK
TDRE
TEND
SSCK
TDRE
TEND
SSO
SSO
SSO
SSO
SSO
SCS
SCS
SCS
Data written to
SSTDR1 to SSTDR0
SSTDR3 to SSTDR0
SSTDR0
Data written to
Data written to
generated
interrupt
TXI
Figure 16.5 Example of Transmission Operation
Bit
Bit
Bit
Bit
Bit
7
7
0
0
0
SSTDR3
SSTDR0
SSTDR0 (LSB first transmission)
Bit
Bit
Bit
to
to
1
1
6
Bit
Bit
Bit
Bit
Bit
2
2
5
7
0
1 frame
SSTDR1
SSTDR0
Bit
Bit
Bit
Bit
Bit
3
3
4
0
7
SSTDR2
SSTDR1
Bit
Bit
Bit
to
to
4
4
3
1 frame
TXI interrupt generated
Bit
Bit
Bit
Bit
Bit
5
5
2
7
0
Section 16 Synchronous Serial Communication Unit (SSU)
generated
interrupt
Bit
Bit
Bit
Bit
Bit
6
6
1
0
TEI
7
SSTDR1
1 frame
SSTDR2
Bit
Bit
Bit
to
to
7
7
0
generated
interrupt
Bit
Bit
Bit
Bit
0
TXI
7
0
7
Data written to
SSTDR0
Bit
Bit
Bit
Bit
1
6
0
7
generated
interrupt
SSTDR0
SSTDR3
TXI
Bit
Bit
Bit
7
2
to
to
5
generated
interrupt
SSTDR0 (MSB first transmission)
TEI
Bit
Bit
SSTDR0
SSTDR1
Bit
Bit
Bit
6
3
4
7
0
Rev. 3.00 Oct 04, 2005 page 439 of 598
Bit
Bit
Bit
TEI interrupt generated
5
4
3
1 frame
Bit
Bit
Bit
4
5
2
Bit
Bit
Bit
3
6
1
Bit
Bit
Bit
2
7
0
generated
interrupt
Bit
1
TEI
Bit
0
REJ09B0155-0300