Features Configuration Bits RAM map SFR map

PIC16F87
Bank 0 | Bank 1 | Bank 2 | Bank 3
--- | --- | --- | ---

SFR
0x000 - 0x006
7 bytes
Unimplemented
0x007 - 0x009
3 bytes
SFR
0x00A - 0x01A
17 bytes
Unimplemented
0x01B - 0x01F
5 bytes
GPR
0x020 - 0x06F
80 bytes
Common
0x070 - 0x07F
16 bytes

SFR
0x080 - 0x086
7 bytes
Unimplemented
0x087 - 0x089
3 bytes
SFR
0x08A - 0x090
7 bytes
Unimplemented
0x091
SFR
0x092 - 0x094
3 bytes
Unimplemented
0x095 - 0x097
3 bytes
SFR
0x098 - 0x099
2 bytes
Unimplemented
0x09A - 0x09B
2 bytes
SFR
0x09C - 0x09D
2 bytes
Unimplemented
0x09E - 0x09F
2 bytes
GPR
0x0A0 - 0x0EF
80 bytes
Mirrored
0x0F0 - 0x0FF
16 bytes

SFR
0x100
Unimplemented
0x101
SFR
0x102 - 0x105
4 bytes
Unimplemented
0x106 - 0x109
4 bytes
SFR
0x10A - 0x10F
6 bytes
Unimplemented
0x110
GPR
0x111 - 0x16F
95 bytes
Mirrored
0x170 - 0x17F
16 bytes

SFR
0x180
Unimplemented
0x181
SFR
0x182 - 0x184
3 bytes
Unimplemented
0x185 - 0x189
5 bytes
SFR
0x18A - 0x18D
4 bytes
Unimplemented
0x18E - 0x18F
2 bytes
GPR
0x190 - 0x1EF
96 bytes
Mirrored
0x1F0 - 0x1FF
16 bytes

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

SFR 24 bytes GPR 80 bytes Common 16 bytes Mirrored 0 bytes Unimplemented 8 bytes | SFR 21 bytes GPR 80 bytes Common 0 bytes Mirrored 16 bytes Unimplemented 11 bytes | SFR 11 bytes GPR 95 bytes Common 0 bytes Mirrored 16 bytes Unimplemented 6 bytes | SFR 8 bytes GPR 96 bytes Common 0 bytes Mirrored 16 bytes Unimplemented 8 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 (2022-01-30 15:56:09 UTC) from the 8bit_device.info file (rev: 1.44) of mpasmx and from the gputils source package (rev: svn Unversioned directory). The mpasmx is included in the MPLAB X.