SC667201MMG3 datasheet(99/120 Pages) FREESCALE

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MPC5642A Microcontroller Data Sheet, Rev. 3.1

Freescale Semiconductor

Electrical characteristics

3.17.5

External interrupt timing (IRQ pin)

Figure 23. External interrupt timing

3.17.6

eTPU timing

Table 42. External interrupt timing1

1 IRQ timing specified at V

DD = 1.14 V to 1.32 V, VDDEH = 3.0 V to 5.25 V, VDD33 and VDDSYN = 3.0 V to 3.6 V,

TA =TL to TH.

Symbol

Characteristic

Value

Unit

Min

Max

1tIPWL

IRQ Pulse Width Low

—

tCYC

2tIPWH

IRQ Pulse Width High

—

tCYC

3tICYC

IRQ Edge to Edge Time2

2 Applies when IRQ pins are configured for rising edge or falling edge events, but not both.

6—

tCYC

Table 43. eTPU timing1

1 eTPU timing specified at V

DD = 1.14 V to 1.32 V, VDDEH = 3.0 V to 5.25 V, VDD33 and VDDSYN = 3.0 V to 3.6 V,

TA =TL to TH, and CL = 50 pF with SRC = 0b00.

Symbol

Characteristic

Value

Unit

Min

Max

1tICPW

eTPU Input Channel Pulse Width

—

tCYC

2tOCPW

eTPU Output Channel Pulse Width2

2 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).

2—

tCYC

IRQ

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