All Enhanced Extended Regular 12 bits 14 bits 16 bits RAM
size
ROM
size
EEPROM
size
Common
SFRs
Features Configuration Bits RAM map SFR map
PIC16F631
Bank 0 Bank 1 Bank 2 Bank 3
Unimplemented
0x008 - 0x009
2 bytes
Unimplemented
0x011 - 0x03F
47 bytes
GPR
0x040 - 0x06F
48 bytes
Common
0x070 - 0x07F
16 bytes
Unimplemented
0x088 - 0x089
2 bytes
Unimplemented
0x091 - 0x094
4 bytes
Unimplemented
0x098 - 0x0EF
88 bytes
Mirrored
0x0F0 - 0x0FF
16 bytes
Unimplemented
0x101
Unimplemented
0x105 - 0x109
5 bytes
Unimplemented
0x10E - 0x114
7 bytes
Unimplemented
0x117
Unimplemented
0x11C - 0x11D
2 bytes
Unimplemented
0x11F - 0x16F
81 bytes
Mirrored
0x170 - 0x17F
16 bytes
Unimplemented
0x181
Unimplemented
0x185 - 0x189
5 bytes
Unimplemented
0x18E - 0x19D
16 bytes
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 (2017-05-13 09:29:46 UTC) from the 8bit_device.info file (rev: 1.36) of mpasmx and from the gputils source package (rev: svn 1308). The mpasmx is included in the MPLAB X.