Ac Characteristics; Table 15.27 Control Signal Timing - Renesas H8/3847R Series Hardware Manual

Section 15 Electrical Characteristics
15.8.3

AC Characteristics

Table 15.27 lists the control signal timing and table 15.28 and 15.29 list the serial interface timing.

Table 15.27 Control Signal Timing

V = 2.7 V to 5.5 V, AV
CC
Item Symbol
System clock f
OSC
oscillation
frequency
OSC clock (φ )
t
OSC
OSC
cycle time
System clock (φ) t
cyc
cycle time
Subclock oscillation f
W
frequency
Watch clock (φ ) t
W W
cycle time
Subclock (φ ) t
SUB subcyc
cycle time
Instruction cycle
time
Oscillation t
rc
stabilization time
t
rc
Rev. 6.00 Aug 04, 2006 page 526 of 680
REJ09B0145-0600
= 2.7 V to 5.5 V, V
CC
Applicable
Pins Min
OSC , 2.0
1
OSC
2
2.0
2.0
OSC , 62.5
1
OSC
2
62.5
100
2
—
X , X , EXCL —
1 2
X , X , EXCL —
1 2
2
2
OSC , —
1
OSC
2
—
—
—
X , X —
1 2
= AV = 0.0 V, unless otherwise specified
SS SS
Values
Typ Max Unit
— 16.0 MHz
— 16.0
— 10.0
— 500 ns
(1000)
— 500
(1000)
— 500
(1000)
— 128 t
OSC
— 128 µs
32.768 — kHz
or 38.4
30.5 or — µs
26.0
— 4 t
W
— — t
cyc
t
subcyc
20 45 µs
80 —
0.8 2 ms
— 50
— 2.0 s
Reference
Test Condition Figure
*
3
*
4
V = 4.5 to 5.5 V
CC
V = 2.7 to 5.5 V
CC
Figure
15.1 *
V = 4.5 to 5.5 V Figure
CC
15.1 *
V = 2.7 to 5.5 V
CC
Figure
15.1
*
1
Ceramic resonator Figure
(V = 3.0 to 5.5 V) 15.11
CC
Ceramic resonator
other than above
Crystal resonator
Other than above
*
2 3
*
2 4