PIC18CXX2_13 Datasheet, PDF (43/304 Pages) Microchip Technology – High Performance Microcontrollers with 10-bit A/D

FIGURE 4-6:
DATA MEMORY MAP FOR PIC18C242/442
BSR<3:0>
= 0000b
= 0001b
Data Memory Map
00h
Bank 0
FFh
00h
Bank 1
FFh
Access RAM
GPR
GPR
000h
07Fh
080h
0FFh
100h
1FFh
200h
PIC18CXX2
= 0010b
= 1110b
Bank 2
to
Bank 14
Unused
Read ’00h’
= 1111b
00h
Bank 15
FFh
When a = 1,
the BSR is used to specify the
RAM location that the instruc-
tion uses.
Unused
SFR
EFFh
F00h
F7Fh
F80h
FFFh
Access Bank
00h
Access RAM low _7Fh
Access RAM high
80h
FFh
(SFR’s)
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).
 1999-2013 Microchip Technology Inc.
DS39026D-page 43