PXD10 Datasheet, PDF(33/130 Page) Lumins Inc. – 4” Dia.X 6” extruded aluminum step poles

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PXD10 Datasheet, PDF (33/130 Pages) Lumins Inc. – 4” Dia.X 6” extruded aluminum step poles

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Pinout and signal descriptions

Table 4. Debug pin descriptions (continued)

Debug pin

Function

Pad

type

I/O

direction

Reset

Configuration

Pin number

144 LQFP

176 LQFP

208 MAPB

MDO1 Nexus message clock M

I/O

output

None

C11

MDO2 Nexus message clock M

I/O

output

None

D11

MDO3 Nexus message clock M

I/O

output

None

A10

MSEO Nexus message clock M

I/O

output

None

C12

NOTES:

1 On the 176 LQFP package options the Nexus pins are multiplexed with other GPIO. On the 208 TEPBGA package,

there are additional dedicated Nexus pins.

Table 5. Debug pin descriptions

Debug pin

Function

Pad

type

I/O

direction

Reset

Configuration

Pin number

144 LQFP

176 LQFP

TEPBGA2

08 1

EVTI Nexus event input

I/O

Input, Pull Up

EVTO Nexus event output

I/O

Input, Pull Up

MCKO Nexus message clock

I/O

Input, Pull Up

output

MDO0 Nexus message clock M

I/O

Input, Pull Up

output

MDO1 Nexus message clock M

I/O

Input, Pull Up

output

MDO2 Nexus message clock M

I/O

Input, Pull Up

output

MDO3 Nexus message clock M

I/O

Input, Pull Up

output

MSEO Nexus message clock M

I/O

Input, Pull Up

output

NOTES:

1 The dedicated (208 pin package only) Nexus output pins (Message Data outputs 0:3 [MDO] and Message Start/End

outputs 0:1 [MSEO]) may drive an unknown value (high or low) immediately after power up but before-the 1st clock

edge propagates through the device (instead of being weakly pulled low). This may cause high currents if the pins

are tied directly to a supply/ground or any low resistance-driver (when used as a general purpose input [GPI] in the

application).

PXD10 Microcontroller Data Sheet, Rev. 1

Freescale Semiconductor

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