MC68HC705J1ACPE Datasheet, PDF (75/162 Pages) Freescale Semiconductor, Inc – Freescale Semiconductor, Inc.

IRQ PIN
IR_.Q_{. 1}
.
IRQ_n
IRQ (INTERNAL)
Freescale Semiconductor, Inc.
Resets and Interrupts
Interrupts
t_ILIL
t_ILIH
t_ILIH
Figure 4-5. External Interrupt Timing
Table 4-2. External Interrupt Timing (V_DD = 5.0 Vdc)⁽¹⁾
Characteristic
Symbol Min Max Unit
Interrupt pulse width low (edge-triggered)
t_ILIH
125
— ns
Interrupt pulse period
t_ILIL
Note^{(2) —}
t_cyc
1. V_DD = 5.0 Vdc ±10%, V_SS = 0 Vdc, T_A = –40°C to +105°C, unless otherwise noted
2. The minimum, t_ILIL, should not be less than the number of interrupt service routine cycles
plus 19 t_cyc.
Table 4-3. External Interrupt Timing (V_DD = 3.3 Vdc)⁽¹⁾
Characteristic
Symbol Min Max Unit
Interrupt pulse width low (edge-triggered)
t_ILIH
250
— ns
Interrupt pulse period
t_ILIL
Note^{(2) —}
t_cyc
1. V_DD = 3.3 Vdc ±10%, V_SS = 0 Vdc, T_A = –40°C to +105°C, unless otherwise noted
2. The minimum, t_ILIL, should not be less than the number of interrupt service routine cycles
plus 19 t_cyc.
MC68HC705J1A — Rev. 4.0
Resets and Interrupts
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Technical Data