PIC18F2450 Datasheet, PDF (62/320 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology

PIC18F2450/4450
FIGURE 5-5:
BSR<3:0>
= 0000
= 0001
= 0010
= 0011
= 0100
= 0101
DATA MEMORY MAP FOR PIC18F2450/4450 DEVICES
Data Memory Map
00h
Bank 0
FFh
00h
Bank 1
FFh
00h
Bank 2
FFh
00h
Bank 3
FFh
00h
Bank 4
FFh
Bank 5 ^00h
Access RAM
GPR
GPR
Unused
Read as 00h
Unused
Read as 00h
GPR⁽¹⁾
000h
05Fh
060h
0FFh
100h
1FFh
200h
2FFh
300h
3FFh
400h
4FFh
800h
When a = 0:
The BSR is ignored and the
Access Bank is used.
The first 96 bytes are
general purpose RAM
(from Bank 0).
The remaining 160 bytes are
Special Function Registers
(from Bank 15).
When a = 1:
The BSR specifies the bank
used by the instruction.
to
Unused
Read as 00h
Access Bank
00h
Access RAM Low
5Fh
Access RAM High ^60h
(SFRs)
FFh
= 1110
Bank 14
= 1111
FFh
00h
Bank 15
FFh
Unused
SFR
EFFh
F00h
F5Fh
F60h
FFFh
Note 1: This bank also serve as RAM buffer for USB operation. See Section 5.3.1 “USB RAM” for more
information.
DS39760A-page 60
Advance Information
© 2006 Microchip Technology Inc.