mpc5644a Freescale Semiconductor, Inc, mpc5644a Datasheet - Page 117
mpc5644a
Manufacturer Part Number
mpc5644a
Description
Mpc5644a Microcontroller Data Sheet
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC5644A.pdf
(142 pages)
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3.17.5
3.17.6
Freescale Semiconductor
1
2
1
2
IRQ timing specified at V
to T
Applies when IRQ pins are configured for rising edge or falling edge events, but not both.
eTPU timing specified at V
T
This specification does not include the rise and fall times. When calculating the minimum eTPU pulse width, include
the rise and fall times defined in the slew rate control fields (SRC) of the pad configuration registers (PCR).
#
1
2
3
#
1
2
A
= T
H
IRQ
IRQ Pulse Width Low
IRQ Pulse Width High
IRQ Edge to Edge Time
.
eTPU Input Channel Pulse Width
eTPU Output Channel Pulse Width
L
External interrupt timing (IRQ pin)
eTPU timing
to T
H
, and C
L
= 200 pF with SRC = 0b00.
DD
1
Characteristic
DD
= 1.14 V to 1.32 V, V
Characteristic
2
= 1.08 V to 1.32 V, V
Preliminary—Subject to Change Without Notice
MPC5644A Microcontroller Data Sheet, Rev. 4
Figure 22. External Interrupt Timing
Table 41. External interrupt timing
Table 42. eTPU timing
DDEH
DDEH
= 3.0 V to 5.5 V, V
= 3.0 V to 5.5 V, V
Symbol
3
t
t
t
IPWH
IPWL
ICYC
Symbol
1
t
t
OCPW
2
ICPW
DD33
DD33
1
and V
Min
3
3
6
and V
Min
DDSYN
2
4
2
DDSYN
= 3.0 V to 3.6 V, T
Max
Electrical characteristics
—
—
—
= 3.0 V to 3.6 V,
Max
—
—
Unit
t
t
t
Unit
cyc
cyc
cyc
t
t
cyc
cyc
A
= T
L
117
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