PIC18F2221 MICROCHIP [Microchip Technology], PIC18F2221 Datasheet - Page 62

• Manufacturer Part Number: PIC18F2221
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F4321 FAMILY
FIGURE 5-5:
DS39689E-page 60
BSR<3:0>
= 0001
= 0000
= 0010
= 1110
= 1111
DATA MEMORY MAP FOR PIC18F4321 FAMILY DEVICES
Bank 14
Bank 15
Bank 2
Bank 1
Bank 0
to
FFh
00h
FFh
00h
Data Memory Map
Access RAM
Read ‘00h’
Unused
Unused
GPR
SFR
GPR
Preliminary
EFFh
F00h
F7Fh
F80h
FFFh
1FFh
07Fh
0FFh
100h
000h
080h
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.
© 2007 Microchip Technology Inc.
Access RAM High
Access RAM Low
Access Bank
(SFRs)
FFh
7Fh
00h
80h