Renesas RX Series

R01UH0823EJ0100 Rev.1.00 Page 1787 of 1823
Jul 31, 2019
RX23W Group 51. Electrical Characteristics
Figure 51.43 CLKOUT_RF Output Timing
Figure 51.44 RSPI Clock Timing and Simple SPI Clock Timing
t
CRFf
t
CRFH
t
CRFcyc
t
CRFr
t
CRFL
CLKOUT_RF pin output
Test conditions: V
OH
= VCC_RF × 0.8 , V
OL
= VCC_RF × 0.2
Note. The voltage for VCC_RF pin when CLKOUT_RF is to be used is between 3.0 V and 3.6 V.
v
OH
v
OL
t
SPCKWH
V
OH
V
OH
V
OL
V
OL
V
OH
V
OH
t
SPCKWL
t
SPCKr
t
SPCKf
V
OL
t
SPcyc
t
SPCKWH
V
IH
V
IH
V
IL
V
IL
V
IH
V
IH
t
SPCKWL
t
SPCKr
t
SPCKf
V
IL
t
SPcyc
V
OH
= 0.7 × VCC, V
OL
= 0.3 × VCC, V
IH
= 0.7 × VCC, V
IL
= 0.3 × VCC
SCKn
Master select output
SCKn
Slave select input
RSPCKA
Master select output
RSPCKA
Slave select input
Simple SPIRSPI
n = 1, 5, 8, 12