User manual

Monitor12 (MON12) User Manual 05/30/01
2
START-UP
Applying power to the EVB causes a Power On Reset (POR) to occur. This POR
condition causes the MCU and user I/O port circuitry to be reset, and the
monitor invoked. Board COM1 port will display the monitor prompt at 9600 baud,
8,n,1:
AXIOM MANUFACTURING CME12D60, PRESS KEY TO START MONITOR…
At this state the monitor is waiting to start or launch board support utilities.
User should press any alphanumeric key on the terminal keyboard to launch the
debug monitor. The debug monitor prompt will display similar text:
Axiom MON12 – HC12 Monitor / Debugger Vxx.x
Type “Help” for commands…
>
If the EVB monitor prompt is not displayed (as shown above), press the user
reset switch on the board. If the EVB monitor prompt cannot be displayed, the
following steps are to be performed.
a. Disconnect EVB power source.
b. Check all EVB cabling and power connections.
c. Check hardware options, configuration switches, and preparation
procedures. Verify HC12 mode of operation (Expanded).
d. Check all EVB components for proper PCB placement.
e. Check PC baud rate and terminal software setup for 9600 baud, 8 bits, 1
stop, no parity.
MONITOR PROGRAM
INTRODUCTION
This chapter provides the overall description of the monitor program. This
description will enable the user to understand the basic structure of the
program. This program is ported from the Motorola BUFFALO monitor.