HD6433832S Datasheet, PDF (423/560 Pages) Renesas Technology Corp – single-chip microcomputers

14.9.3 AC Characteristics
Table 14.40 lists the control signal timing, and tables 14.41 and 14.42 list the serial interface
timing of the H8/3835, H8/3836 and H8/3837.
Table 14.40 Control Signal Timing of H8/3835, H8/3836 and H8/3837
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, T_a = –20°C to +75°C, including
subactive mode, unless otherwise specified.
Item
Applicable
Symbol Pins
Min Typ Max Unit Test Condition
Reference
Figure
System clock
f_OSC
oscillation frequency
OSC₁, OSC₂ 2.0 —
2.0 —
10.0 MHz V_CC = 4.0 V to 5.5 V
5.0
OSC clock (φ_OSC)
t_OSC
OSC₁, OSC₂ 100.0 —
1000.0 ns V_CC = 4.0 V to 5.5 V 1
cycle time
200.0 —
1000.0
Figure 14.1
System clock (φ)
t_cyc
2—
16
t_OSC
1
cycle time
——
2000.0 ns
Subclock oscillation f_W
frequency
X₁, X₂
— 32.768 — kHz
Watch clock (φ_W)
t_W
cycle time
X₁, X₂
— 30.5 — µs
Subclock (φ_SUB) cycle t_subcyc
2—
8
t_W
2
time
Instruction cycle time
Oscillation stabilization t_rc
time (crystal oscillator)
2—
OSC₁, OSC₂ — —
——
—
40.0
60.0
t_cyc
t_subcyc
ms V_CC = 4.0 V to 5.5 V
Oscillation stabilization t_rc
time
X₁, X₂
——
2.0 s
External clock high t_CPH
width
OSC₁
40.0 —
80.0 —
— ns V_CC = 4.0 V to 5.5 V Figure 14.1
—
External clock low
t_CPL
width
OSC₁
40.0 —
80.0 —
— ns V_CC = 4.0 V to 5.5 V Figure 14.1
—
External clock rise time t_CPr
——
——
15.0 ns
20.0
V_CC = 4.0 V to 5.5 V Figure 14.1
External clock fall time t_CPf
——
——
15.0 ns
20.0
V_CC = 4.0 V to 5.5 V Figure 14.1
Pin RES low width
t_REL
RES
10 —
—
t_cyc
Figure 14.2
Notes: 1. A frequency between 1 MHz to 10 MHz is required when an external clock is input.
2. Selected with SA1 and SA0 of system control register 2 (SYSCR2).
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