PPC5605BECLLR datasheet(40/92 Pages) FREESCALE

40 / 92 page

MPC5607B Microcontroller Data Sheet, Rev. 3

Preliminary—Subject to Change Without Notice

Electrical characteristics

Freescale Semiconductor

3.10.3

Start-up/Switch-off timings

3.11

Electromagnetic compatibility (EMC) characteristics

Susceptibility tests are performed on a sample basis during product characterization.

3.11.1

Designing hardened software to avoid noise problems

EMC characterization and optimization are performed at component level with a typical application environment and simplified

MCU software. It should be noted that good EMC performance is highly dependent on the user application and the software in

particular.

Therefore it is recommended that the user apply EMC software optimization and prequalification tests in relation with the EMC

level requested for the application.

•

Software recommendations

− The software flowchart must include the management of runaway conditions such as:

— Corrupted program counter

Table 26. Start-up time/Switch-off time

Symbol

Parameter Conditions1

1 V

DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = −40 to 125 °C, unless otherwise specified

Value

Unit

Min

Typ

Max

TFLARSTEXI

Delay for

Flash

module to

exit reset

mode

—

125

µs

TFLALPEXIT CC

Delay for

Flash

module to

exit

low-power

mode

——

—

0.5

TFLAPDEXIT CC

Delay for

Flash

module to

exit

power-dow

n mode

——

—

TFLALPENTR

Delay for

Flash

module to

enter

low-power

mode

——

—

0.5

TFLAPDENT

Delay for

Flash mod-

ule to enter

power-dow

n mode

——

—

1.5

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