Freescale Semiconductor TRK-MPC5634M Automotive Powertrain and Precision Timed Industrial Applications TRK-MPC5634M TRK-MPC5634M Benutzerhandbuch

Produktcode

TRK-MPC5634M

TRK-MPC5634M EVB User Manual

6.2

I/O Pins

The SBC MC33905 provides three I/O pins. Two of them are jumper (J3)
selectable to two LEDs, which are further jumper (J2) selectable to pull-up or
pull-down.

6.2.1

J2 - SBC I/O LED Pull Up/Down

1-2 Pull Up (default)
3-4 Pull Down

Figure 6-3: SBC I/O LED Pull Up/Down (J2)

6.2.2

J3 - SBC I/O Signal

1-2 I/O-0 (default)
2-3 I/O-1

Figure 6-4: SBC I/O Signal (J3)

6.3

Debug Mode

The SBC MC33905 has a DBG pin to put it into debug mode. Jumpers J4 and
J5 are designed for this purpose.

6.3.1

J4 - SBC DBG Short To GND

1-2 Short SBC DBG Pin to GND, Bypass R21 and D13 (default: OFF)