Datasheet

Section 26 Electrical Characteristics
R01UH0309EJ0500 Rev. 5.00 Page 1323 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
26.3 Timing Charts
26.3.1 Clock Timing
The clock timings are shown below.
t
cyc
φ
t
CH
t
Cf
t
CL
t
Cr
Figure 26.3 System Clock Timing
t
cyc
φ
t
CH
t
Cf
t
CL
t
Cr
SDRAMφ
t
cdif
t
sdcf
t
sdcr
t
SDCH
t
SDCL
Figure 26.4 SDRAMφ Timing