Features Configuration Bits RAM map SFR map

PIC16F871
Bank 0 | Bank 1 | Bank 2 | Bank 3
--- | --- | --- | ---

SFR
0x000 - 0x012
19 bytes
Unimplemented
0x013 - 0x014
2 bytes
SFR
0x015 - 0x01A
6 bytes
Unimplemented
0x01B - 0x01D
3 bytes
SFR
0x01E - 0x01F
2 bytes
Common
0x020 - 0x07F
96 bytes

SFR
0x080 - 0x08E
15 bytes
Unimplemented
0x08F - 0x091
3 bytes
SFR
0x092
Unimplemented
0x093 - 0x097
5 bytes
SFR
0x098 - 0x099
2 bytes
Unimplemented
0x09A - 0x09D
4 bytes
SFR
0x09E - 0x09F
2 bytes
Common
0x0A0 - 0x0BF
32 bytes
Unimplemented
0x0C0 - 0x0EF
48 bytes
Mirrored
0x0F0 - 0x0FF
16 bytes

SFR
0x100
Unimplemented
0x101
SFR
0x102 - 0x104
3 bytes
Unimplemented
0x105 - 0x109
5 bytes
SFR
0x10A - 0x10F
6 bytes
Unimplemented
0x110 - 0x11F
16 bytes
Mirrored
0x120 - 0x17F
96 bytes

SFR
0x180
Unimplemented
0x181
SFR
0x182 - 0x184
3 bytes
Unimplemented
0x185 - 0x189
5 bytes
SFR
0x18A - 0x18D
4 bytes
Unimplemented
0x18E - 0x19F
18 bytes
Mirrored
0x1A0 - 0x1BF
32 bytes
Unimplemented
0x1C0 - 0x1EF
48 bytes
Mirrored
0x1F0 - 0x1FF
16 bytes

It is possible that this colums is inaccurate due to the mirrored-SFRs.

SFR 27 bytes GPR 0 bytes Common 96 bytes Mirrored 0 bytes Unimplemented 5 bytes | SFR 20 bytes GPR 0 bytes Common 32 bytes Mirrored 16 bytes Unimplemented 60 bytes | SFR 10 bytes GPR 0 bytes Common 0 bytes Mirrored 96 bytes Unimplemented 22 bytes | SFR 8 bytes GPR 0 bytes Common 0 bytes Mirrored 48 bytes Unimplemented 72 bytes
It is possible that this colums is inaccurate due to the mirrored-SFRs.

Special Function Register.

General-purpose RAM.

Common RAM.

Mirrored RAM.

In this place no RAM.

This page generated automatically by the device-help.pl program (2016-08-21 09:07:38 UTC) from the 8bit_device.info file (rev: 1.31) of mpasmx and from the gputils source package (rev: svn Unversioned directory). The mpasmx is included in the MPLAB X.