MC68HC705J MOTOROLA [Motorola, Inc], MC68HC705J Datasheet - Page 127

• Manufacturer Part Number: MC68HC705J
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

10.13 3.3-Volt Control Timing
MC68HC705J1A — Rev. 4.0
MOTOROLA
Oscillator frequency
Internal operating frequency (f
Cycle time (1
RESET pulse width low
IRQ interrupt pulse width low (edge-triggered)
IRQ interrupt pulse width low (edge- and level-triggered)
PA0–PA3 interrupt pulse width high (edge-triggered)
PA0–PA3 interrupt pulse width (edge- and level-triggered)
OSC1 pulse width
1. V
2. The maximum width, t
Crystal oscillator option
External clock source
Crystal oscillator
External clock
routine plus 19 t
DD
= 3.3 Vdc
f
OP
cyc
10%, V
)
or the interrupt service routine will be re-entered.
ILIL
SS
Characteristic
or t
= 0 Vdc, T
ILIH
osc
, should not be more than the number of cycles it takes to execute the interrupt service
2)
A
= –40 C to +105 C, unless otherwise noted
(1)
Electrical Specifications
Symbol
t
OH
t
t
t
t
f
t
t
IHIH
ILIH
IHIL
f
osc
ILIL
cyc
RL
op
, t
OL
1000
Min
400
1.5
1.5
1.5
1.5
1.5
dc
dc
—
—
Electrical Specifications
3.3-Volt Control Timing
Note
Note
Max
2.0
2.0
1.0
1.0
—
—
—
—
—
Technical Data
(2)
(2)
MHz
MHz
Unit
t
t
t
t
t
ns
ns
cyc
cyc
cyc
cyc
cyc
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