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S3A3 Datasheet, PDF (86/139 Pages) Renesas Technology Corp – Microcontroller
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S3A3
2. Electrical Characteristics
RSPCKA
master select
output
VOH
tSPCKWH
VIH
RSPCKA
slave select input
tSPCKWH
tSPCKr
VOH
VOL
VOL
tSPCKWL
VOH
tSPcyc
tSPCKf
VOH
VOL
tSPCKr
VIH
VIL
VIL
tSPCKWL
VIH
tSPcyc
tSPCKf
VIH
VIL
VOH = 0.7 × VCC, VOL = 0.3 × VCC, VIH = 0.7 × VCC, VIL = 0.3 × VCC
Figure 2.61 SPI clock timing
SSLA0 to
SSLA3
output
RSPCKA
CPOL = 0
output
RSPCKA
CPOL = 1
output
MISOA
input
MOSIA
output
tLEAD
tLAG
tTD
tSSLr, tSSLf
tSU
tH
MSB IN
DATA
tDr, tDf
MSB OUT
tOH
DATA
LSB IN
tOD
LSB OUT
IDLE
MSB IN
MSB OUT
Figure 2.62 SPI timing (master, CPHA = 0) (bit rate: PCLKA division ratio is set to any value other than 1/2)
R01DS0307EU0100 Rev.1.00
Mar 7, 2017
Page 86 of 139
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