RX24U Datasheet, PDF (105/131 Pages) Renesas Technology Corp – 32-bit RXv2 CPU core

RX24U Group
5. Electrical Characteristics
RSPI
Simple SPI
V_OH
RSPCKA
Master select output
SCKn
Master select output
t_SPCKWH
RSPCKA
Slave select input
V_IH
SCKn
Slave select input
t_SPCKWH
t_SPCKr
V_OH
V_OL
V_OL
t_SPCKWL
V_OH
t_SPcyc
t_SPCKr
V_IH
V_IL
V_IL
t_SPCKWL
V_IH
t_SPcyc
t_SPCKf
V_OH
V_OL
t_SPCKf
V_IH
V_IL
Figure 5.45
V_OH = 0.7 × VCC, V_OL = 0.3 × VCC, V_IH = 0.7 × VCC, V_IL = 0.3 × VCC
(n = 1, 5, 6)
RSPI Clock Timing and Simple SPI Clock Timing
RSPI
SSLA0 to
SSLA3
output
RSPCKA
CPOL = 0
output
RSPCKA
CPOL = 1
output
Simple SPI
SCKn
CKPOL = 0
output
SCKn
CKPOL = 1
output
MISOA
input
SMISOn
input
MOSIA
output
SMOSIn
output
(n = 1, 5, 6)
tLEAD
tLAG
tTD
tSSLr, tSSLf
tSU
tH
MSB IN
tDr, tDf
MSB OUT
DATA
tOH
DATA
LSB IN
tOD
LSB OUT
IDLE
MSB IN
MSB OUT
Figure 5.46 RSPI Timing (Master, CPHA = 0) and Simple SPI Clock Timing (Master, CKPH = 1)
R01DS0278EJ0100 Rev.1.00
Mar 31, 2017
Page 105 of 131