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H83062 Datasheet, PDF (794/1021 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
Section 22 Electrical Characteristics
22.4.3 AC Characteristics
Clock timing parameters are listed in table 22.34, control signal timing parameters in table 22.35,
and bus timing parameters in table 22.36. Timing parameters of the on-chip supporting modules
are listed in table 22.37.
Table 22.34 Clock Timing
Condition: Ta = –20°C to +75°C (regular specifications),
Ta = –40°C to 85°C (wide-range specifications)
Condition A: VCC = 5.0 V ± 10%, AVCC = 5.0 V ± 10%, VREF = 4.5 to AVCC, VSS = AVSS = 0 V,
fmax = 20 MHz
Condition B: VCC = 5.0 V ± 10%, AVCC = 5.0 V ± 10%, VREF = 4.5 to AVCC, VSS = AVSS = 0 V,
fmax = 25 MHz
Condition
A
B
Item
Symbol Min Max Min Max
Clock cycle time
tcyc
50 500 40
500
Clock pulse low width
tCL
15 —
10
—
Clock pulse high width tCH
15 —
10
—
Clock rise time
tCr
— 10
—
10
Clock fall time
tCf
— 10
—
10
Clock oscillator settling
time at reset
tOSC1
20 —
20
—
Clock oscillator settling tOSC2
7
—
7
—
time in software standby
Test
Unit Conditions
ns
Figure 22.19 to
ns
figure 22.31
ns
ns
ns
ms Figure 22.19
ms
Rev. 6.00 Mar 18, 2005 page 746 of 970
REJ09B0215-0600