MPC5604PEFMLL datasheet(10/84 Pages) FREESCALE

10 / 84 page

MPC5604P Microcontroller Data Sheet, Rev. 5

Preliminary—Subject to Change Without Notice

Freescale Semiconductor

2.2.3

Pin Muxing

Table 4 defines the pin list and muxing for the MPC5604P devices.

Each row of Table 4 shows all the possible ways of configuring each pin, via “alternate functions”. The default function

assigned to each pin after reset is the ALT0 function.

Pins marked as external interrupt capable can also be used to resume from STOP and HALT mode.

MPC5604P devices provide four main I/O pad types depending of the associated functions:

•

Slow pads are the most common, providing a compromise between transition time and low electromagnetic emission.

•

Medium pads provide fast enough transition for serial communication channels with controlled current to reduce

electromagnetic emission.

•

Fast pads provide maximum speed. They are used for improved NEXUS debugging capability.

•

Symmetric pads are designed to meet FlexRay requirements.

Medium and Fast pads can use slow configuration to reduce electromagnetic emission, at the cost of reducing AC performance.

Table 3. System Pins

Symbol

Description

Direction

Pad Speed1

1 SRC values refer to the value assigned to the Slew Rate Control bits of the pad configuration register

SRC=0

SRC=1

100-pin

144-pin

Dedicated pins. All pins available on 144-pin package. MDO 0 not available on 100-pin package.

MDO 0

Nexus Message Data Output—line 0

Output Only

Fast

—

NMI

Non Maskable Interrupt

Input Only

—

XTAL

Analog input of the oscillator amplifier circuit.

Needs to be grounded if oscillator is used in

bypass mode.

——

—

EXTAL

Analog output of the oscillator amplifier

circuit, when the oscillator is not in bypass

mode.

Analog input for the clock generator when

the oscillator is in bypass mode.

——

—

TMS2

2 In this pin there is an internal pull, refer to JTAGC chapter on MPC5604P Reference Manual for pull direction.

JTAG state machine control

Input Only

—

TCK2

JTAG clock

Input Only

—

TDI2

JTAG data input

Input Only

—

TDO2

JTAG data output

Output Only

Slow

Fast

Reset pin, available on 100-pin and 144-pin package.

RESET

Bidirectional reset with Schmitt trigger

characteristics and

noise filter

Bidirectional

Medium

—

Test pin, available on 100-pin and 144-pin package.

VPP TEST

Pin for testing purpose only. To be tied to

ground in normal operating mode.

——

—

107

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