R01UH0823EJ0100 Rev.1.00
Page 1781 of 1823
Jul 31, 2019
RX23W Group
51. Electrical Characteristics
Note 1. t
Pcyc
: PCLK cycle
Table 51.34
Timing of On-Chip Peripheral Modules (3)
Conditions: 1.8 V ≤ VCC = VCC_USB = AVCC0 = VCC_RF = AVCC_RF ≤ 3.6 V, VSS = AVSS0 = VSS_USB = VSS_RF = 0 V,
T
a
= –40 to +85°C
Item
Symbol
Min.
Max.
Unit*
Test
Conditions
Simple
SPI
SCK clock cycle output (master)
t
SPcyc
4
65536
t
Pcyc
SCK clock cycle input (slave)
6
65536
t
Pcyc
SCK clock high pulse width
t
SPCKWH
0.4
0.6
t
SPcyc
SCK clock low pulse width
t
SPCKWL
0.4
0.6
t
SPcyc
SCK clock rise/fall time
t
SPCKr
, t
SPCKf
—
20
ns
Data input setup time (master)
2.7 V or above
t
SU
65
—
ns
1.8 V or above
95
—
Data input setup time (slave)
40
—
Data input hold time
t
H
40
—
ns
SSL input setup time
t
LEAD
3
—
t
SPcyc
SSL input hold time
t
LAG
3
—
t
SPcyc
Data output delay time (master)
t
OD
—
40
ns
Data output delay time (slave)
2.7 V or above
—
65
1.8 V or above
—
100
Data output hold time (master)
2.7 V or above
t
OH
–10
—
ns
1.8 V or above
–20
—
Data output hold time (slave)
–10
—
Data rise/fall time
t
Dr
, t
Df
—
20
ns
SSL input rise/fall time
t
SSLr
, t
SSLf
—
20
ns
Slave access time
t
SA
—
6
t
Pcyc
Slave output release time
t
REL
—
6
t
Pcyc