HD6473847RHV Datasheet, PDF (460/546 Pages) Renesas Technology Corp – Renesas 8-Bit Single-Chip Microcomputer H8 Family / H8/300L Super Low Power Series

Section 17 Electrical Characteristics
17.6.3 AC Characteristics
Table 17.17 lists the control signal timing and table 17.18 lists the serial interface timing.
Table 17.17 Control Signal Timing
V_CC = 2.7 V to 5.5 V, AV_CC = 2.7 V to 5.5 V, V_SS = AV_SS = 0.0 V, unless otherwise specified
Item
System clock
oscillation
frequency
OSC clock (φ_OSC)
cycle time
System clock (φ)
cycle time
Applicable
Symbol Pins
Test Condition
f_OSC
OSC₁, OSC₂
On-chip oscillator
selected
t_OSC
OSC₁, OSC₂
On-chip oscillator
selected
t_cyc
Subclock oscillation f_W
frequency
Watch clock (φ_W) t_W
cycle time
Subclock (φ_SUB)
cycle time
t_subcyc
Instruction cycle
time
Oscillation
t_rc
stabilization time
External clock high t_CPH
width
External clock low t_CPL
width
External clock rise t_CPr
time
External clock fall t_CPf
time
RES pin low
t_REL
width
X₁, X₂
X₁, X₂
OSC₁,
OSC₂
X₁, X₂
OSC₁
OSC₁
OSC₁
OSC₁
RES
Values
Min Typ Max
2.0 —
20.0
0.7 —
2.0
50.0 —
500 —
500
1429
2—
128
——
182
— 32.768 —
— 30.5 —
2—
8
2—
—
——
20
——
2.0
20 —
—
20 —
—
——
5
——
5
10 —
—
Reference
Unit Figure
MHz
*²
ns Figure 17.2
t_OSC
μs
kHz
μs Figure 17.2
t_W
*¹
t_cyc
t_subcyc
ms
s
ns Figure 17.2
ns Figure 17.2
ns Figure 17.2
ns Figure 17.2
t_cyc Figure 17.3
Rev. 7.00 Mar. 08, 2010 Page 428 of 510
REJ09B0024-0700