PIC18F2420 MICROCHIP [Microchip Technology], PIC18F2420 Datasheet - Page 62
PIC18F2420
Manufacturer Part Number
PIC18F2420
Description
28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F2420.pdf
(390 pages)
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PIC18F2420/2520/4420/4520
FIGURE 5-5:
DS39631A-page 60
BSR<3:0>
= 0000
= 0001
= 0010
= 0011
= 0100
= 0101
= 0110
= 0111
= 1000
= 1001
= 1010
= 1011
= 1100
= 1101
= 1110
= 1111
DATA MEMORY MAP FOR PIC18F2420/4420 DEVICES
Bank 0
Bank 1
Bank 2
Bank 3
Bank 4
Bank 5
Bank 6
Bank 7
Bank 8
Bank 9
Bank 10
Bank 11
Bank 12
Bank 13
Bank 14
Bank 15
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
FFh
00h
FFh
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
Data Memory Map
Access RAM
Read 00h
Unused
Unused
GPR
GPR
GPR
SFR
Preliminary
000h
07Fh
080h
0FFh
100h
1FFh
200h
2FFh
300h
3FFh
400h
4FFh
500h
5FFh
600h
6FFh
700h
7FFh
800h
8FFh
900h
9FFh
A00h
AFFh
B00h
BFFh
C00h
CFFh
D00h
DFFh
E00h
F7Fh
EFFh
F00h
F80h
FFFh
When ‘a’ = 0:
When ‘a’ = 1:
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).
The BSR specifies the Bank
used by the instruction.
2004 Microchip Technology Inc.
Access RAM High
Access RAM Low
Access Bank
(SFRs)
FFh
7Fh
00h
80h
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