PIC12F752 datasheet(110/204 Pages) MICROCHIP

110 / 204 page

PIC12F752/HV752

DS41576A-page 110

Preliminary

 2011 Microchip Technology Inc.

13.5

FVR Control Registers

TABLE 13-1:

SUMMARY OF REGISTERS ASSOCIATED WITH FIXED VOLTAGE REFERENCE

FVRCON: FIXED VOLTAGE REFERENCE CONTROL REGISTER

R/W-0/0

R-q/q

R/W-0/0

U-0

FVREN

FVRRDY

FVRBUFEN

FVRBUFSS

—

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

q = Value depends on condition

bit 7

FVREN: Fixed Voltage Reference Enable bit

= Fixed Voltage Reference is disabled

= Fixed Voltage Reference is enabled

bit 6

FVRRDY: Fixed Voltage Reference Ready Flag bit

= Fixed Voltage Reference output is not ready or not enabled bit

= Fixed Voltage Reference output is ready for use

bit 5

FVRBUFEN: Voltage Reference Output Pin Buffer Enable

= Output buffer is disabled

= Output buffer is enabled

bit 4

FVRBUFSS: Voltage Reference Pin Buffer Source Select bit

= Bandgap (1.2V) is the input to the output voltage buffer

= dac_out is the input to the output voltage buffer

bit 3-0

Unimplemented: Read as ‘0’

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

on page

FVRCON

FVREN

FVRRDY

FVRBUFEN

FVRBUFSS

—

110

Legend:

Shaded cells are not used with the Fixed Voltage Reference.

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