HD6433694 Datasheet, PDF (351/432 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

21.3.3 AC Characteristics
Table 21.13 AC Characteristics
V_CC = 2.7 to 5.5 V, V_SS = 0.0 V, T_a = –20 to +75°C, unless otherwise indicated.
Item
Applicable
Symbol Pins
Test Condition
Values
Min Typ Max
System clock
f_OSC
OSC1,
V_CC = 4.0 to 5.5 V
2.0 —
20.0
oscillation
OSC2
frequency
2.0
10.0
System clock (φ) t_cyc
cycle time
1
—
64
——
12.8
Subclock oscillation f_W
frequency
X1, X2
— 32.768 —
Watch clock (φ_W) t_W
cycle time
X1, X2
— 30.5 —
Subclock (φ_SUB)
cycle time
t_subcyc
2
—
8
Instruction cycle
time
2
—
—
Oscillation
t_rc
stabilization time
(crystal resonator)
OSC1,
OSC2
——
10.0
Oscillation
t_rc
stabilization time
(ceramic resonator)
OSC1,
OSC2
——
5.0
Oscillation
t_rcx
stabilization time
X1, X2
——
2.0
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
—
—
——
10.0
15.0
External clock
t_CPf
fall time
RES pin low
t_REL
width
OSC1
RES
V_CC = 4.0 to 5.5 V
—
—
——
At power-on and in t_rc
—
modes other than
those below
10.0
15.0
—
In active mode and 200 —
—
sleep mode
operation
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 323 of 400