Features Configuration Bits RAM map SFR map

PIC16F631
Bank 0 | Bank 1 | Bank 2 | Bank 3
--- | --- | --- | ---

SFR
0x000 - 0x007
8 bytes
Unimplemented
0x008 - 0x009
2 bytes
SFR
0x00A - 0x010
7 bytes
Unimplemented
0x011 - 0x03F
47 bytes
GPR
0x040 - 0x06F
48 bytes
Common
0x070 - 0x07F
16 bytes

SFR
0x080 - 0x087
8 bytes
Unimplemented
0x088 - 0x089
2 bytes
SFR
0x08A - 0x090
7 bytes
Unimplemented
0x091 - 0x094
4 bytes
SFR
0x095 - 0x097
3 bytes
Unimplemented
0x098 - 0x0EF
88 bytes
Mirrored
0x0F0 - 0x0FF
16 bytes

SFR
0x100
Unimplemented
0x101
SFR
0x102 - 0x104
3 bytes
Unimplemented
0x105 - 0x109
5 bytes
SFR
0x10A - 0x10D
4 bytes
Unimplemented
0x10E - 0x114
7 bytes
SFR
0x115 - 0x116
2 bytes
Unimplemented
0x117
SFR
0x118 - 0x11B
4 bytes
Unimplemented
0x11C - 0x11D
2 bytes
SFR
0x11E
Unimplemented
0x11F - 0x16F
81 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 - 0x19D
16 bytes
SFR
0x19E
Unimplemented
0x19F - 0x1EF
81 bytes
Mirrored
0x1F0 - 0x1FF
16 bytes

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

SFR 15 bytes GPR 48 bytes Common 16 bytes Mirrored 0 bytes Unimplemented 49 bytes | SFR 18 bytes GPR 0 bytes Common 0 bytes Mirrored 16 bytes Unimplemented 94 bytes | SFR 15 bytes GPR 0 bytes Common 0 bytes Mirrored 16 bytes Unimplemented 97 bytes | SFR 9 bytes GPR 0 bytes Common 0 bytes Mirrored 16 bytes Unimplemented 103 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.