R5F21348KNFP Datasheet, PDF (43/61 Pages) Renesas Technology Corp – The R8C/34K Group has data flash (1 KB × 4 blocks) with the background operation

R8C/34K Group
5. Electrical Characteristics
4-Wire Bus Communication Mode, Slave, CPHS = 1
SCS (input)
VIH or VOH
VIL or VOL
tLEAD
tHI
tFALL
tRISE
SSCK (input)
(CPOS = 1)
SSCK (input)
(CPOS = 0)
tLO
tHI
tLO
tSUCYC
SSO (input)
tSU
tH
SSI (output)
tSA
tOD
4-Wire Bus Communication Mode, Slave, CPHS = 0
SCS (input)
VIH or VOH
VIL or VOL
tLEAD
tHI
tFALL
tRISE
SSCK (input)
(CPOS = 1)
SSCK (input)
(CPOS = 0)
tLO
tHI
tLO
tSUCYC
SSO (input)
tSU
tH
SSI (output)
tSA
tOD
tLAG
tOR
tLAG
tOR
CPHS, CPOS: Bits in SSMR register
Figure 5.7 I/O Timing of Synchronous Serial Communication Unit (SSU) (Slave)
R01DS0040EJ0100 Rev.1.00
Feb 25, 2011
Page 43 of 58