D E M O 9 S 1 2 X D T 5 1 2
J U L Y 1 8 , 2 0 0 8
2
CONTENTS
CAUTIONARY NOTES ..............................................................................................................4
TERMINOLOGY .........................................................................................................................4
FEATURES ................................................................................................................................5
REFERENCES ...........................................................................................................................6
GETTING STARTED..................................................................................................................6
OPERATING MODES ................................................................................................................6
RUN MODE ........................................................................................................................... 7
DEBUG MODE ...................................................................................................................... 7
MEMORY MAP ..........................................................................................................................8
SOFTWARE DEVELOPMENT ...................................................................................................8
DEVELOPMENT SUPPORT ......................................................................................................9
INTEGRATED BDM .............................................................................................................. 9
BDM_PORT HEADER........................................................................................................... 9
POWER ....................................................................................................................................10
POWER SELECT ................................................................................................................ 10
PWR_SEL ........................................................................................................................10
VX_EN..............................................................................................................................11
RESET SWITCH ......................................................................................................................11
LOW VOLTAGE RESET ..........................................................................................................11
TIMING .....................................................................................................................................11
COMMUNICATIONS ................................................................................................................12
RS-232 ................................................................................................................................ 12
COM CONNECTOR .........................................................................................................13
LIN COMMUNICATIONS..................................................................................................... 13
LIN_EN.............................................................................................................................13
CAN COMMUNICATIONS................................................................................................... 14
MODE.......................................................................................................................................14
VRH/VRL..................................................................................................................................14
USER I/O..................................................................................................................................15
SWITCHES ......................................................................................................................15
LED’S ...............................................................................................................................15
POT ..................................................................................................................................16
LIGHT SENSOR...............................................................................................................16
USER SIGNALS .................................................................................................................. 16
USER ENABLE ................................................................................................................... 16
MCU I/O PORT.........................................................................................................................17
APPENDIX A............................................................................................................................19