Datasheet

PIC18F6390/6490/8390/8490
DS39629C-page 72 © 2007 Microchip Technology Inc.
FIGURE 5-5: DATA MEMORY MAP FOR PIC18F6390/6490/8390/8490 DEVICES
Bank 0
Bank 1
Bank 14
Bank 15
Data Memory Map
BSR<3:0>
= 0000
= 0001
= 1111
060h
05Fh
F58h
FFFh
00h
5Fh
60h
FFh
Access Bank
When a = 0:
The BSR is ignored and the
Access Bank is used.
The first 128 bytes are
general purpose RAM
(from Bank 0).
The second 128 bytes are
Special Function Registers
(from Bank 15).
When a = 1:
The BSR specifies the bank
used by the instruction.
F00h
EFFh
1FFh
100h
0FFh
000h
Access RAM
FFh
00h
FFh
00h
FFh
00h
GPR
GPR
SFR
Unimplemented
Access RAM High
Access RAM Low
Bank 2
= 0010
(SFRs)
2FFh
200h
300h
Bank 3
FFh
00h
GPR
= 0011
= 1110
F60h
Banked SFRs
Unused
Read as 00h
to