MPC5634M datasheet(76/106 Pages) FREESCALE

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MPC5634M Microcontroller Data Sheet, Rev. 8

Freescale Semiconductor

Lvi5p0_h

C LVI 5 V hysteresis5

—60

—

Por5V_r

C Nominal POR for rising 5 V

VDDREG supply

—2.67

—

C Variation of POR for rising

5 V VDDREG supply

Por5V_r –

35%

Por5V_r

Por5V_r +

50%

Por5V_f

C Nominal POR for falling 5 V

VDDREG supply

—2.47

—

C Variation of POR for falling

5 V VDDREG supply

Por5V_f –

35%

Por5V_f

Por5V_f +

50%

1 The limits will be reviewed after data collection from 3 different lots in a full production environment.

2 Using external ballast transistor.

3 Min range is extended to 10% since Lvi1p2 is reprogrammed from 1.2 V to 1.16 V after power-on reset.

4 LVI for falling supply is calculated as LVI rising - LVI hysteresis.

The internal voltage regulator can be disabled by tying the VDDREG pin to ground. When the internal voltage

regulator is disabled, the LVI specifications are not applicable because all LVI monitors are disabled. POR

specifications remain valid when the internal voltage regulator is disabled as long as VDDEH and VDD33 supplies

are within the required ranges.

6 This parameter is the “inrush” current of the internal 3.3 V regulator when it is turned on. This spec. is the current

at which the regulator will go into current limit mode.

Lvi3p3 tracks DC target variation of internal Vdd33 regulator. Minimum and maximum Lvi3p3 correspond to

minimum and maximum Vdd33 DC target respectively.

Table 15. PMC electrical characteristics (continued)

Name

Parameter

Min

Typ

Max

Unit

Notes

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