PIC18F242 MICROCHIP [Microchip Technology], PIC18F242 Datasheet - Page 45

• Manufacturer Part Number: PIC18F242
• Description: 28/40-pin High Performance, Enhanced FLASH Microcontrollers with 10-Bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 4-6:
© 2006 Microchip Technology Inc.
When a = 1,
the BSR is used to specify the
RAM location that the
instruction uses.
BSR<3:0>
= 0000
= 0001
= 0010
= 0011
= 1110
= 1111
DATA MEMORY MAP FOR PIC18F242/442
Bank 14
Bank 15
Bank 3
Bank 0
Bank 1
Bank 2
to
FFh
FFh
FFh
00h
00h
00h
FFh
00h
Data Memory Map
Access RAM
Read ’00h’
Unused
Unused
GPR
GPR
GPR
SFR
100h
1FFh
000h
07Fh
080h
F7Fh
0FFh
200h
2FFh
300h
EFFh
F00h
F80h
FFFh
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
(from Bank 15).
PIC18FXX2
Access RAM high
Access RAM low
Access Bank
Function
(SFRs)
DS39564C-page 43
Registers
00h
7Fh
FFh
80h