HC12 Musils board: Difference between revisions

Revision as of 12:46, 21 June 2006

How to setup the Miroslav Musil's HC12 board

The following section is a "How to" document dealing with HC12 board, developed at the Department of Control Engineering at Czech Technical University in Prague. The work is based on diploma thesis [1] and [2].

How to setup the board

Disconnect the board from power supply
Short JP1 and JP2 to 1-2 (Expanded Wide Mode)
Disconnect JP6 (no auto run)
Connect I/O module to CON1
Connect RS232 bridge
- Canon connector to COM1:
- black connector to board connector CON4
Connect the CAN interface to CAN bus
Connect board to 12VDC power supply

How to download code from CodeWarrior to HC12

Setup Codewarior
- Code can be simulated (see Help and included examples)
Open Musil's VLoader application
Open generated *.sx file
Select correct serial port (eg. COM1 or COM2)
Test HC12 connection (Test button)
Download file to HC12
Run application (Run button)

How to run HC12 application stand alone

Disconnect the board from power supply
Short JP6
Connect board to 12VDC power supply

Jumper setup

JP1, JP2 - uC mode
- Single chip ()
- Expanded Narrow ()
- Expanded Wide (1-2, 1-2)
JP3 - Include RAM memory to uC address memory space or not
JP4 - Include FLASH memory to uC address memory space or not
JP5 - HW memory lock
JP6, JP7 - FLASH memory bank selector
- Memory bank 0
- Memory bank 1
- Memory bank 2
- Memory bank 3
JP8 - RAM memory bank 0 and 1 mapping

Connector list

CON1, CON2 - Data/Adress interface
- pins 5 .. 12 - I/O port PH
- pins 15 .. 22 - I/O port PG
CON3 - Data/Adress interface
- not important
CON4 - BDM interface
- not important yet
CON5 - RS232 programming interface
- 1 - VCC
- 2 - RESET*
- 3 - PS1
- 4 - PS0
- 5 - GND
- 6 - not connected
CON7 - Power supply 12V
- 1 - 12VDC
- 2 - GND
- 3 - GND
CON6 - CAN interface
- 1 - CAN V+
- 2 - CANH
- 3 - CAN SHLD
- 4 - CANL
- 5 - CAN GND