Memory
Organization
00-7F
80-FF
80-FF
RAM, Access it via direct addressing
SFR, Access it via direct addressing
indirect on-chip RAM,
Access it via indirect addressing
0000-00FF On-Chip External auxiliary RAM.
Address Space for MPC82x54A RAM
0000 – xxxx :=
User’s Application
xxxx is determined by OR1[7:0]
xxxx – yyyy :=
Memory for In-Application-
Programming data
xxxx is determined by OR1[7:0]
yyyy – 3DFF :=
Memory for In-System-
Programming code
yyyy is determined by OR0[5:4]
AP
Memory
ISP
Memory
IAP
Memory
Address Space for MPC82x54A embedded Flash memory
MEGAWIN
MPC82x54A Data Sheet
15
MEGAWIN [ MEGAWIN TECHNOLOGY CO., LTD ]
