S128 Datasheet, PDF (63/107 Pages) Renesas Technology Corp – Microcontroller

S128
2. Electrical Characteristics
SCKn
master select
output
V_OH
t_SPCKWH
V_IH
SCKn
slave select input
(n = 0, 1, 9)
t_SPCKWH
t_SPCKr
V_OH
V_OL
V_OL
t_SPCKWL
V_OH
t_SPcyc
t_SPCKf
V_OH
V_OL
t_SPCKr
V_IH
V_IL
V_IL
t_SPCKWL
V_IH
t_SPcyc
t_SPCKf
V_IH
V_IL
V_OH = 0.7 × VCC, V_OL = 0.3 × VCC, V_IH = 0.7 × VCC, V_IL = 0.3 × VCC
Figure 2.43 SCI simple SPI mode clock timing
SCKn
CKPOL = 0
output
SCKn
CKPOL = 1
output
MISOn
input
MOSIn
output
(n = 0, 1, 9)
t_SU
t_H
MSB IN
t_Dr, t_Df
MSB OUT
DATA
t_OH
DATA
LSB IN
t_OD
LSB OUT
Figure 2.44 SCI simple SPI mode timing (master, CKPH = 1)
IDLE
MSB IN
MSB OUT
R01DS0309EU0100 Rev.1.00
Mar 10, 2017
Page 63 of 107