Z51F3220FNX Datasheet, PDF (296/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

15.1.2 Flash Program ROM Structure
07FFFH
07FC0H
07FBFH
07F80H
07F7FH
07F40H
07F3FH
ROM
Address
Sector 511
Sector 510
Sector 509
Sector 508
Z51F3220
Product Specification
07FC0H
07F80H
07F40H
Flash
Sector
Address
00080H
0007FH
00040H
0003FH
00000H
Accessed by
MOVX instruction
only
Sector 2
Sector 1
Sector 0
00080H
00040H
00000H
64bytes
Flash Page Buffer
(External Data Memory, 64bytes)
803FH
8000H
Page(Sector)
Buffer
Address
FSADRH/M/L
Flash Controller
FIDR
FMCR
Figure 15.1 Flash Program ROM Structure
PS029902-0212
PRELIMINARY
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