HD64F3028F25 Datasheet, PDF (684/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

21.1.3 AC Characteristics
Clock timing parameters are listed in table 21.4, control signal timing parameters in table 21.5,
and bus timing parameters in table 21.6. Timing parameters of the on-chip supporting modules are
listed in table 21.7.
Table 21.4 Clock Timing
Conditions: V_CC = 3.0 V to 3.6 V, AV_CC = 3.0 V to 3.6 V, V_REF = 3.0 V to AV_CC,
V_SS = AV_SS = 0 V, T_a = –20°C to +75°C (regular specifications),
T_a = –40°C to +85°C (wide-range specifications)
Item
Clock cycle time
Clock pulse low width
Clock pulse high width
Clock rise time
Clock fall time
Clock oscillator settling time
at reset
Clock oscillator settling time
in software standby
Symbol
tcyc
tCL
tCH
tCr
tCf
tOSC1
tOSC2
Condition
f = 2 M to 25 MHz
Min
Max
40
500
10
—
10
—
—
10
—
10
20
—
7
—
Unit
ns
ns
ns
ns
ns
ms
ms
Test Conditions
Figure 21.7 to
figure 21.28
Figure 21.7
Figure 20.1
Rev. 2.00, 09/03, page 652 of 890