ChipS12 - HCS12 Controller Module with MC9S12C128 - Overview Product
Software...
TwinPEEKs - Monitor for the Motorola HC12 Microcontroller
The TwinPEEKs monitor program is a ROM Monitor utility which supports uploading of user program code to the on-chip EEPROM of Motorola HC12 microcontroller. The Monitor Program supplied is able to display and modify the memory contents of the Target Microcontroller and can also be used to commence execution of the user program in real-time