Datasheet

4.6.4 External interrupt timing (IRQ pin)
Table 51. External interrupt timing specifications
No. Symbol Parameter Conditions Min Max Unit
1 t
IPWL
IRQ pulse width low — 3 — t
CYC
2 t
IPWH
IRQ pulse width high — 3 — t
CYC
3 t
ICYC
IRQ edge to edge time — 6 — t
CYC
These values applies when IRQ pins are configured for rising edge or falling edge events,
but not both.
IRQ
1
2
3
Figure 33. External interrupt timing
Thermal attributes
5.1 Thermal attributes
Board type Symbol Description 176LQFP Unit Notes
Single-layer (1s) R
θJA
Thermal
resistance, junction
to ambient (natural
convection)
45 °C/W 1, 2
Four-layer (2s2p) R
θJA
Thermal
resistance, junction
to ambient (natural
convection)
22 °C/W 1, 3
Single-layer (1s) R
θJMA
Thermal
resistance, junction
to ambient (200 ft./
min. air speed)
36 °C/W 1,3
Table continues on the next page...
5
Thermal attributes
MPC5748G Microcontroller Datasheet Data Sheet, Rev. 2, 05/2014.
60
Preliminary
Freescale Semiconductor, Inc.