Datasheet

Section 26 Electrical Characteristics
R01UH0309EJ0500 Rev. 5.00 Page 1355 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
t
BUF
t
STAH
t
STAS
t
SP
t
STOS
t
SCLH
t
SCLL
t
Sf
t
Sr
t
SCL
t
SDAH
t
SDAS
P* S* S
r
* P*
V
IH
V
IL
SDA0
to
SDA1
SCL0
to
SCL1
Note: S, P, and Sr represent the following conditions:
S: Start condition
P: Stop condition
Sr: Retransmit start condition
Figure 26.50 I
2
C Bus Interface 2 Input/Output Timing
SSCK (output)
CPOS = 0
SCS (output)
SSCK (output)
CPOS = 1
SSO (output)
SSI (input)
t
LEAD
t
SU
t
H
t
OD
t
FALL
t
RISE
t
SUcyc
t
LAG
t
OH
t
LO
t
HI
t
HI
t
LO
t
TD
Figure 26.51 SSU Timing (Master, CPHS = 1)