r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 1308
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r4f2456
Manufacturer Part Number
r4f2456
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R4F2456.pdf
(1376 pages)
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Section 27 Electrical Characteristics
27.3
27.3.1
The clock timings are shown below.
Rev. 1.00 Sep. 19, 2008 Page 1278 of 1342
REJ09B0467-0100
Timing Charts
Clock Timing
φ
SDRAMφ
Figure 27.3 System Clock Timing
φ
Figure 27.4 SDRAMφ Timing
t
cdif
t
CH
t
SDCH
t
cyc
t
CH
t
sdcf
t
cyc
t
t
SDCL
Cf
t
CL
t
Cf
t
CL
t
sdcr
t
Cr
t
Cr
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