PIC18F258 MICROCHIP [Microchip Technology], PIC18F258 Datasheet - Page 48

• Manufacturer Part Number: PIC18F258
• Description: High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18FXX8
FIGURE 4-6:
DS41159B-page 46
BSR<3:0>
= 0000
= 0001
= 0010
= 0011
= 0100
= 0101
= 0110
= 1110
= 1111
DATA MEMORY MAP FOR PIC18F258/458
Bank 14
Bank 15
Bank 4
Bank 5
Bank 6
Bank 0
Bank 1
Bank 2
Bank 3
to
FFh
FFh
FFh
FFh
00h
00h
00h
00h
FFh
00h
FFh
00h
Data Memory Map
Access RAM
Read ‘00h’
Unused
GPR
GPR
GPR
GPR
GPR
GPR
SFR
SFR
Preliminary
000h
05Fh
060h
0FFh
100h
1FFh
200h
2FFh
300h
3FFh
400h
4FFh
500h
5FFh
600h
EFFh
F00h
F5Fh
F60h
FFFh
When a = 1,
When a = 0,
the BSR is used to specify
the RAM location that the
instruction uses.
the BSR is ignored and the
Access Bank is used.
The first 96 bytes are
General Purpose RAM
(from Bank 0).
The next 160 bytes are
Special Function Registers
(from Bank 15).
 2002 Microchip Technology Inc.
Access Bank high
Access Bank low
Access Bank
(GPR)
(SFR)
FFh
5Fh
00h
60h