CHAPTER 10 SERIAL INTERFACE FUNCTION
User’s Manual U15195EJ5V0UD
493
Figure 10-27. Timing Chart in Single Transfer Mode (1/2)
(a) In transmission/reception mode, data length: 8 bits, transfer direction: MSB first, no interrupt delay,
single transfer mode, operation mode: CKP bit = 0, DAP bit = 0
0
1
0
1
0
1
0
1
1
0
1
0
1
0
1
0
(55H)
(AAH)
AAH
AAH
ABH
56H
ADH
5AH
B5H
6AH
D5H
SCKn
(I/O)
SOn
(output)
SIn
(input)
Reg_R/W
SOTBLn
register
SIOLn
register
SIRBLn
register
CSOTn
bit
INTCSIn
interrupt
55H (transmit data)
Write 55H to SOTBLn register
Remarks 1.
n = 0, 1
2.
Reg_R/W: Internal signal. This signal indicates that receive data buffer register (SIRBn/
SIRBLn) read or transmit data buffer register (SOTBn/SOTBLn) write was
performed
.