MC68HC705JD FREESCALE [Freescale Semiconductor, Inc], MC68HC705JD Datasheet - Page 74

• Manufacturer Part Number: MC68HC705JD
• Description: member of the low-cost
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
11.7 Control Timing (V
11-8
NOTES:
Oscillator Frequency
Internal Operating Frequency
Cycle Time
RESET Pulse Width
Timer Resolution (NOTE 1)
Interrupt Pulse Width Low (Edge-Triggered)
Interrupt Pulse Period
OSC1 Pulse Width
1. The 2-bit timer prescaler is the limiting factor in determining timer resolution.
2. The minimum period t
(V
Crystal Option
External Clock Option
Crystal (f
External Clock (f
DD
the interrupt service routine plus 19 t
= 3.3 Vdc 10%, V
osc
Characteristic
2)
Table 11-6. Control Timing (V
osc
Freescale Semiconductor, Inc.
DD
For More Information On This Product,
2)
SS
ILIL
= 3.3 Vdc)
= 0 Vdc; T
should not be less than the number of cycle times it takes to execute
ELECTRICAL SPECIFICATIONS
Go to: www.freescale.com
A
= T
cyc
L
.
to T
H
)
Symbol
t
OH
t
RESL
t
t
f
t
t
ILIH
f
ILIL
osc
cyc
RL
op
, t
DD
OL
= 3.3 Vdc)
(NOTE 2)
1000
Min
250
400
1.5
4.0
—
dc
—
dc
Max
2.0
2.0
1.0
1.0
—
—
—
—
—
—
Unit
MHz
MHz
t
t
t
ns
ns
ns
cyc
cyc
cyc
Rev. 2