Datasheet

Section 28 Electrical Characteristics
Page 932 of 982 REJ09B0465-0300 Rev. 3.00
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S
/
20235 Group
Table 28.7 Timing of Synchronous Serial Communication Unit (SSU)
V
CC
= 2.7 to 5.5 V, V
SS
= 0.0 V, Ta = −20 to +85 °C (N version)/ −40 to +85 °C (D version),
C
L
= 100 pF, unless otherwise indicated.
Values
Item Symbol
Applicable
Pins
Test
Conditions
Min. Typ. Max. Unit
Reference
Figure
Clock cycle t
SUCYC
SSCK 4 ⎯ ⎯ t
CYC
Clock high pulse width t
HI
SSCK 0.4 ⎯ 0.6 t
SUCYC
Clock low pulse width t
LO
SSCK 0.4 ⎯ 0.6 t
SUCYC
Master t
RISE
SSCK ⎯ ⎯ 1 t
CYC
Clock rise time
Slave ⎯ ⎯ 1.0 μs
Master t
FALL
SSCK ⎯ ⎯ 1 t
CYC
Clock fall time
Slave ⎯ ⎯ 1.0 μs
Data input setup time t
SU
SSO
SSI
100 ⎯ ⎯ ns
Data input hold time t
H
SSO
SSI
1 ⎯ ⎯ t
CYC
SCS setup time Slave t
LEAD
SCS 1t
CYC
+ 50
⎯ ⎯ ns
SCS hold time Slave t
LAG
SCS 1t
CYC
+ 50
⎯ ⎯ ns
Data output delay time t
OD
SSO
SSI
⎯ ⎯ 1 t
CYC
Slave access time t
SA
SSI ⎯ ⎯ 1.5t
CYC
+ 100
ns
Slave out release time t
OR
SSI ⎯ ⎯ 1.5t
CYC
+ 100
ns
Figures
28.8 to
28.12