Appendix C Memory and Peripheral Map

CC121 Memory Map
Address	Device	Size
xxx000 xxx7FF	Dual-port Data Buffer 2Kbyte	8, 16 bit
xxx800 xxx9FF	COM9026 (*) 2 bytes	8 bit
xxxA00 xxxBFF	Interrupt Vector Register (*) 1 byte	8 bit
xxxC00 xxxDFF	Board Control Register (*) 1 byte	8 bit
xxxE00 xxxFFF	Node ID Switch Register (*) 1 byte	8 bit

Figure C-1 LANC (COM9026) Register Map

Figure C-2 Interrupt Vector Register

Figure C-3 Board Control Register

Figure C-4 Node ID Register

CC121 - ARCNET Interface for VMEbus - 30 SEP 1996