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
PIC16F877A
Bank 0 Bank 1 Bank 2 Bank 3
Unimplemented
0x020
GPR
0x021 - 0x06F
79 bytes
Common
0x070 - 0x07F
16 bytes
Unimplemented
0x08F - 0x090
2 bytes
Unimplemented
0x095 - 0x097
3 bytes
Unimplemented
0x09A - 0x09B
2 bytes
Unimplemented
0x0A0
GPR
0x0A1 - 0x0EF
79 bytes
Mirrored
0x0F0 - 0x0FF
16 bytes
Unimplemented
0x101
Unimplemented
0x105 - 0x109
5 bytes
Unimplemented
0x110
GPR
0x111 - 0x16F
95 bytes
Mirrored
0x170 - 0x17F
16 bytes
Unimplemented
0x181
Unimplemented
0x185 - 0x189
5 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
32 bytes
GPR
79 bytes
Common
16 bytes
Mirrored
0 bytes
Unimplemented
1 bytes
SFR
25 bytes
GPR
79 bytes
Common
0 bytes
Mirrored
16 bytes
Unimplemented
8 bytes
SFR
10 bytes
GPR
95 bytes
Common
0 bytes
Mirrored
16 bytes
Unimplemented
7 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 (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.