Ac Characteristics; Table 15.11 Control Signal Timing - Renesas H8/3847R Series Hardware Manual

15.4.3

AC Characteristics

Table 15.11 lists the control signal timing, and tables 15.12 and 15.13 list the serial interface
timing.

Table 15.11 Control Signal Timing

V = 1.8 V to 5.5 V, AV
CC
(including subactive mode) unless otherwise indicated.
Item Symbol Pins
System clock f
OSC
oscillation
frequency
OSC clock (φ ) t
OSC OSC
cycle time
System clock (φ) t
cyc
cycle time
Subclock oscilla- f
W
tion frequency
Watch clock (φ ) t
W W
cycle time
Subclock (φ ) t
SUB subcyc
cycle time
Instruction cycle
time
Oscillation t
rc
stabilization time
= 1.8 V to 5.5 V, V
CC
Values
Applicable
Min Typ
OSC , OSC 2 —
1 2
2 —
2 —
OSC , OSC 62.5 —
1 2
100 —
250 —
2 —
— —
X , X — 32.768
1 2
or
38.4
X , X — 30.5
1 2
or
26.0
2 —
2 —
OSC , OSC — 20
1 2
— 0.1
— —
X , X — —
1 2
Section 15 Electrical Characteristics
= AV = 0.0 V, Ta = –40°C to +85°C
SS SS
Max Unit Test Condition
16 MHz V
CC
10 V
CC
4 V
CC
500 ns V
CC
(1000)
500 V
CC
(1000)
500 V
CC
(1000)
128 t
OSC
244.1 µs
— kHz
— µs
8 t
W
— t
cyc
t
subcyc
45 µs Figure 15.10
V
CC
8 ms Figure 15.10
V
CC
50 ms Except the above
2.0 s
Rev. 6.00 Aug 04, 2006 page 489 of 680
Reference
Figure
*
2
= 4.5 V to 5.5 V
= 2.7 V to 5.5 V
= 1.8 V to 5.5 V
= 4.5 V to 5.5 V Figure 15.1
*
2
= 2.7 V to 5.5 V Figure 15.1
*
3
= 1.8 V to 5.5 V
Figure 15.1
*
1
Figure 15.10
*
2
= 2.2 V to 5.5 V
Figure 15.10
= 2.2 V to 5.5 V
REJ09B0145-0600
*
3