Memory Map

The following memory map shows which areas of the memory space are available for your program's use. Essentially, if you do not use the target monitor, you have the entire address space available. Note that the MCB167 provides only 265 KB of RAM (00:0000h — 03:FFFFh).

Address Range	Description
`00:0000h — 00:0007h`	Free RAM
`00:0008h — 00:000Bh`	NMI Vector used by Monitor
`00:000Ch — 00:00ABh`	Free RAM
`00:00ACh — 00:00AFh`	Serial Receive Vector used by Monitor
`00:00B0h — 00:F9FFh`	Free RAM
`00:FA00h — 00:FFFFh`	Internal RAM and SFRs
`01:0000h — 03:E8FFh`	Free RAM
`03:E900h — 03:EAFFh`	RAM used by Monitor (Data Area)
`03:EB00h — 03:FFFFh`	RAM used by Monitor (Code Area)
`04:0000h — 07:FFFFh`	RAM (optional)