Renesas H8S/2319 series Hardware Manual page 827

(1) Clock Timing
Table 20-4 Clock Timing
Condition A: V = 2.7 V to 3.6 V, AV
CC
0 V, φ = 2 MHz to 20 MHz, T
T = –40°C to 85°C (wide-range specifications)
a
Condition B: V = 3.0 V to 3.6 V, AV
CC
0 V, φ = 2 MHz to 25 MHz, T
T = –40°C to 85°C (wide-range specifications)
a
Item
Clock cycle time
Clock pulse high width
Clock pulse low width
Clock rise time
Clock fall time
Reset oscillation stabilization
time (crystal)
Software standby oscillation
stabilization time (crystal)
External clock output
stabilization delay time
= 2.7 V to 3.6 V, V
CC
= –20°C to 75°C (regular specifications),
a
= 3.0 V to 3.6 V, V
CC
= –20°C to 75°C (regular specifications),
a
Condition A
Symbol Min Max
t 50 500
cyc
t 20 —
CH
t 20 —
CL
t — 5
Cr
t — 5
Cf
t 10 —
OSC1
t 10 —
OSC2
t 500 —
DEXT
= 2.7 V to AV , V
ref CC
= 3.0 V to AV , V
ref CC
Condition B
Min Max Unit
40 500 ns
15 — ns
15 — ns
— 5 ns
— 5 ns
10 — ms
10 — ms
µs
500 —
Rev. 5.00, 12/03, page 797 of 1088
= AV =
SS SS
= AV =
SS SS
Test
Conditions
Figure 20-2
Figure 20-3
Figure 20-3