PIC16F87X datasheet(12/200 Pages) MICROCHIP

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PIC16F87X

DS30292A-page 12

Preliminary

2.2

Data Memory Organization

The data memory is partitioned into multiple banks

which contain the General Purpose Registers and the

Special Function Registers. Bits RP1 and RP0 are the

bank select bits.

= 00

→ Bank0

= 01

→ Bank1

= 10

→ Bank2

= 11

→ Bank3

Each bank extends up to 7Fh (128 bytes). The lower

locations of each bank are reserved for the Special

Function Registers. Above the Special Function Regis-

ters are General Purpose Registers, implemented as

static RAM. All implemented banks contain special

function registers. Some “high use” special function

registers from one bank may be mirrored in another

bank for code reduction and quicker access.

2.2.1

GENERAL PURPOSE REGISTER FILE

The register ﬁle can be accessed either directly, or indi-

rectly through the File Select Register FSR.

RP1

RP0

(STATUS<6:5>)

Note:

EEPROM Data Memory description can

be found in Section 7.0 of this Data Sheet

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