MC68HC705J1A External Interrupt Timing - Motorola

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MC68HC705J1A

Manufacturer Part Number
MC68HC705J1A
Description
Manufacturer
Motorola
Datasheet

Specifications of MC68HC705J1A

Case
DIP-20L
8.5 External Interrupt Timing
IRQ PIN
IRQ
1
.
.
.
IRQ
n
IRQ (INTERNAL)
8.5.1 5.0-Volt External Interrupt Timing Characteristics
Characteristic
IRQ interrupt pulse width low (edge-triggered)
IRQ interrupt pulse width (edge- and level-triggered)
PA0–PA3 interrupt pulse width high (edge-triggered)
PA0–PA3 interrupt pulse width high (edge- and level-triggered)
1. V
= 5.0 Vdc
10%, V
= 0 Vdc, T
DD
SS
t
2.
= 1/f
; f
= f
/2.
cyc
op
op
osc
3. The minimum, t
, should not be less than the number of interrupt service routine cycles plus 19 t
ILIL
8.5.2 3.3-Volt External Interrupt Timing Characteristics
Characteristic
IRQ interrupt pulse width low (edge-triggered)
IRQ interrupt pulse width (edge- and level-triggered)
PA0–PA3 interrupt pulse width high (edge-triggered)
PA0–PA3 interrupt pulse width high (edge- and level-triggered)
1. V
= 3.3 Vdc
10%, V
= 0 Vdc, T
DD
SS
t
2.
= 1/f
; f
= f
/2.
cyc
op
op
osc
3. The minimum, t
, should not be less than the number of interrupt service routine cycles plus 19
ILIL
MC68HC705J1A — Rev. 4.0
MOTOROLA
t
ILIL
t
ILIH
t
ILIH
Figure 8-4. External Interrupt Timing
(1)
= –40 C to +105 C unless otherwise noted
A
(1)
= –40 C to +105 C, unless otherwise noted
A
External Interrupt Module (IRQ)
External Interrupt Module (IRQ)

External Interrupt Timing

Symbol
Min
Max
t
1.5
ILIH
t
(3)
1.5
Note
ILIH
t
1.5
ILIL
(3)
t
1.5
Note
ILIH
.
cyc
Symbol
Min
Max
t
1.5
ILIH
(3)
t
1.5
Note
ILIH
t
1.5
ILIL
(3)
t
1.5
Note
ILIH
t
.
cyc
Technical Data
Unit
(2)
t
cyc
t
cyc
t
cyc
t
cyc
Unit
(2)
t
cyc
t
cyc
t
cyc
t
cyc
107

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