SPC5668EF1AVMG datasheet(25/66 Pages) FREESCALE

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Pin Assignments

MPC5668x Microcontroller Data Sheet, Rev. 6

Freescale Semiconductor

3.3.1

Power and Ground Supply Summary

Table 3. MPC5668x Power/Ground

Name

Function Description

Voltage1

1 Nominal voltages.

Package Pin Locations

208

256

VDD

Internal Logic Power

1.2 V

D4, D10, H4, G13, K13, N5

VDDE1

External I/O Power

3.3–5.0 V

VDDE2

VDDE3

J13

VDDE4

N10

VDDA

Analog Power

3.3–5.0 V

B15

VDD33

3.3 V I/O Power

3.3 V

L13

VDDEMLB

Media Local Bus Power

2.5 or 3.3 V

VDDENEX

2 Dedicated Nexus power pin on 256-pin package only. On the 208-pin package, VDDENEX is tied to VSS internal to the

package substrate and is not available externally.

Nexus Power

3.3 V

—

E6, K11, L7

VRCSEL

Voltage Regulator Select

VSSA / VDDA

H13

VRC

Voltage Regulator Control Voltage

3.3–5.0 V

B10

VRCCTL

Voltage Regulator Control Output

—

3 Base current to external NPN power transistor. Voltage may vary.

B11

VDDSYN

Clock Synthesizer Power

3.3 V

A12

VRH

Analog High Voltage Reference

3.3–5.0 V

B16

VRL

Analog Low Voltage Reference

0 V

C16

VSS

Ground

0 V

A1, A16, D7, G4, G[7:10],

H[7:10], J[7:10], K[7:10], N13,

T1, T16

A1, A16, D7, E[7:12], F[7:12],

G4, G[6:12], H[7:12], J[7:12],

K[6:10], K12, L[8:10], L12,

N13, T1, T16

VSSA

Analog Ground

0 V

C15

VSSSYN

Clock Synthesizer Ground

0 V

A15

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