HD6433694 Datasheet, PDF (334/432 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

21.2.3 AC Characteristics
Table 21.3 AC Characteristics
V_CC = 3.0 to 5.5 V, V_SS = 0.0 V, T_a = –20 to +75°C, unless otherwise indicated.
Item
Applicable
Symbol Pins
Test Condition Min
System clock
f_OSC
OSC1, OSC2 V_CC = 4.0 to 5.5 V 2.0
oscillation
frequency
2.0
System clock (φ) t_cyc
1
cycle time
—
Subclock oscillation f_W
X1, X2
—
frequency
Watch clock (φ_W) t_W
X1, X2
—
cycle time
Subclock (φ_SUB)
t_subcyc
2
cycle time
Instruction cycle
2
time
Oscillation
t_rc
OSC1,
—
stabilization time
OSC2
(crystal resonator)
Oscillation
t_rc
OSC1,
—
stabilization time
OSC2
(ceramic resonator)
Oscillation
t_rcx
X1, X2
—
stabilization time
External clock
t_CPH
high width
OSC1
V_CC = 4.0 to 5.5 V 20.0
40.0
External clock
t_CPL
low width
OSC1
V_CC = 4.0 to 5.5 V 20.0
40.0
External clock
t_CPr
rise time
OSC1
V_CC = 4.0 to 5.5 V —
—
External clock
t_CPf
fall time
OSC1
V_CC = 4.0 to 5.5 V —
—
RES pin low
width
t_REL
RES
At power-on and in t_rc
modes other than
those below
In active mode and 200
sleep mode
operation
Values
Typ Max
—
20.0
10.0
—
64
—
12.8
32.768 —
30.5 —
—
8
—
—
—
10.0
—
5.0
—
2.0
—
—
—
—
—
—
—
—
—
10.0
—
15.0
—
10.0
—
15.0
—
—
—
—
Reference
Unit Figure
MHz *¹
t_OSC
*²
µs
kHz
µs
t_W
*²
t_cyc
t_subcyc
ms
ms
s
ns Figure 21.1
ns
ns
ns
ms Figure 21.2
ns
Rev. 4.00, 03/04, page 306 of 400