
R8C/14 Group, R8C/15 Group 19. Electrical Characteristics
Rev.2.10 Jan 19, 2006 Page 224 of 253
REJ09B0164-0210
Figure 19.4 I/O Timing of Clock Synchronous Serial I/O (SSU) with Chip Select (Master)
VIH or VOH
VIH or VOH
tHI
tLO
tHI
tFALL
tRISE
tLO tSUCYC
tOD
tH
tSU
SCS(Output)
SSCK(Output)
(CPOS = “1”)
SSCK(Output)
(CPOS = “0”)
SSO(Output)
SSI(Input)
4-wire bus communication mode, Master, CPHS = “1”
VIH or VOH
VIH or VOH
tHI
tLO
tHI
tFALL
tRISE
tLO tSUCYC
tOD
tH
tSU
SCS(Output)
SSCK(Output)
(CPOS = “1”)
SSCK(Output)
(CPOS = “0”)
SSO(Output)
SSI(Input)
4-wire bus communication mode, Master, CPHS = “0”
CPHS, CPOS : Bits in SSMR register
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