RX634 Datasheet, PDF (87/106 Pages) Renesas Technology Corp – 54 MHz 32-bit RX MCU with FPU, 90 DMIPS, up to 2-Mbyte flash memory

RX634 Group
5. Electrical Characteristics
RSPI
RSPCKA
Master select output
Simple SPI
V_OH
SCKn
Master select output
t_SPCKWH
RSPCKA
Slave select input
V_IH
SCKn
Slave select input
(n = 0 to 12)
t_SPCKWH
t_SPCKr
t_SPCKf
V_OH
V_OL
V_OL
t_SPCKWL
V_OH
t_SPcyc
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 5.28 RSPI Clock Timing and Simple SPI Clock Timing
RSPI
Simple SPI
SSLA0 to 3
output
RSPCKA
CPOL = 0
output
RSPCKA
CPOL = 1
output
SCKn
CKPOL = 0
output
SCKn
CKPOL = 1
output
MISOA
input
SMISOn
input
MOSIA
output
SMOSIn
output
(n = 0 to 12)
tLEAD
tSU
tH
MSB IN
tDr, tDf
MSB OUT
DATA
tOH
DATA
tLAG
tTD
tSSLr, tSSLf
LSB IN
tOD
LSB OUT
IDLE
MSB IN
MSB OUT
Figure 5.29
RSPI Timing (Master, CPHA = 0) (Bit Rate: PCLKB Set to Division Ratio Other Than Divided by 2)
and Simple SPI Timing (Master, CKPH = 1)
R01DS0255EJ0100 Rev.1.00
Feb 25, 2015
Page 87 of 106