
TWRMCF51JGUM TWR-MCF51JG Tower Module User's Manual Page 2 of 21
Table of Contents
1TWR-MCF51JG and TWR-MCF51JG-KIT Overview.......................................................................4
1.1 Contents..................................................................................................................................................................................5
1.2 Features ..................................................................................................................................................................................5
1.3 Getting Started.....................................................................................................................................................................6
1.4 Reference Documents.......................................................................................................................................................6
2Hardware Description ...........................................................................................................................7
2.1 MCF51JG Microcontroller................................................................................................................................................7
2.2 Clocking ..................................................................................................................................................................................8
2.3 System Power.......................................................................................................................................................................9
2.4 Debug Interface ................................................................................................................................................................13
2.4.1 OSBDM ................................................................................................................................................................................................. 13
2.5 Accelerometer...................................................................................................................................................................13
2.6 Pushbuttons, LEDs ..........................................................................................................................................................14
2.7 General Purpose Tower Plug-in (TWRPI) Socket...............................................................................................14
2.8 USB.........................................................................................................................................................................................15
3Jumper Table.......................................................................................................................................... 16
4Input/Output Connectors and Pin Usage Table......................................................................... 17
5Tower Elevator Connections ............................................................................................................ 19