Axiom MCU 68HC912 Operation & User’s Manual

24, 24 TABLES TABLE 1. LCD Command Codes Command codes are used for LCD setup and control of character and cursor position. All command codes are written to LCD panel address $B5F0. The BUSY flag (bit 7) should be tested before any command updates to verify that any previous command is completed. …

2, 2 CONTENTSCONTENTS GETTING STARTED............................................................................................3 Installing the Software .............................................................................3 Board Startup ..........................................…

25, Axiom MCU 68HC912 25 TABLE 3. Mon12 Monitor Commands BF <StartAddress> <EndAddress> [<data>] Fill memory with data BR [<Address>] Set/Display user breakpoints BULK Erase entire on-chip EEPROM contents CALL [<Address>] Call user subroutine at <Address> G [<Address>]…

27, 27 PM12D60 PM12DG/DT128 PM12DP256 J1/P1 J2/P2 CMD912x OTHER PS4/MIOS PS4/MIOS PS4/MIOS J2/P2 - 26 MCU PORT1 - 21 PS5/MOIS PS5/MOIS PS5/MOIS J2/P2 - 25 MCU PORT1 - 22 PS6/SCK PS6/SCK PS6/SCK J2/P2 - 24 MCU PORT1 - 19 PS7/SS* PS7/SS* PS7/SS* J2/P2 - 23 MCU PORT1 - 20 PT0 PT0 PT0 J1/P1 - 8 MCU…

20, 20 LCD_PORT The LCD_PORT interface is connected to the data bus and memory mapped into the Register Following memory area of the HC12. Note that the DP256 does not support the LCD Port due to no Register following area is available. Refer to the PM12xxx board memory map for LCd Port addre…

22, 22 TROUBLESHOOTINGTROUBLESHOOTING The CMD912X board is fully tested and operational before shipping. If it fails to function properly, inspect the board for obvious physical damage first. Ensure that all IC devices in sockets are properly seated. Verify the communications setup as descr…