ABB PDD500A101 3BHE037649R0101 3BHE037650P201 module

The user can specify the address of a program module here. A module must provide a SSP (stack pointer) at offset 016 and a PC (program counter) at offset 416. If a value of FFFF.FFFF16 is set (default), this entry will be ignored and FGA Boot starts the firmware in the second boot ROM or the system flash memory. If the entry contains a valid module base address, the specified program will be executed instead. Hint: If the debugger shell should be started, this entry must be set to an address where there is an invalid module

This entry is reserved for an application and will not be used by FGA Boot. A call to utility function 39 allows to read it.Since the CPU-30SEN-R board is intended to work in an APNbus (A24) and not in a VMEbus (A32), this command is not applicable in an APNbus context.

The size of the VMEbus slave window

 will be set as large as the local memory size of the board. This is exactly the same as setting the rotary switches to the corresponding slot number and asserting the abort key while reset. After setting a new slot number the INIT command must be executed to recalculate the SRAM checksum and to validate the new values.After executing this command the INIT command must be executed to recalculate the SRAM checksum and to update the FGA-002 registers. The BANNER command may be used to display the current settings.

VMEADDR – Change VMEbus Slave Address

The upper 7 bits (A31..A25) should be set to 0. Bit A24 has a special usage (see below). By means of the first format of the command the size of the APNbus slave window is set as large as the local memory size of the board up to 16 MByte since the APNbus (A24) can access only 16 MByte of the main memory. The second format allows to specify the size of the APNbus slave window manually.

FGA Boot provides utility functions which can be called from user applications. Common utility functions The common utility functions are described in the FORCE Gate Array FGA-002 User’s Manual.

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