PIC16F753 Datasheet, PDF (126/238 Pages) Microchip Technology – 14/16-Pin, Flash-Based 8-Bit CMOS Microcontrollers

PIC16F753/HV753
13.5 Register Definitions: FVR Control
REGISTER 13-1: FVR1CON0: FIXED VOLTAGE REFERENCE CONTROL REGISTER
R/W-0/0
R-q/q
R/W-0/0
R/W-0/0
R/W-0/0
U-0
U-0
FVREN
FVRRDY
FVROE FVRBUFSS1 FVRBUFSS0
—
—
bit 7
R/W-0/0
FVRBUFEN
bit 0
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
q = Value depends on condition
bit 7
bit 6
bit 5
bit 4-3
bit 2-1
bit 0
FVREN: Fixed Voltage Reference Enable bit
0 = Fixed Voltage Reference is disabled
1 = Fixed Voltage Reference is enabled
FVRRDY: Fixed Voltage Reference Ready Flag bit
0 = Fixed Voltage Reference output is not ready or not enabled bit
1 = Fixed Voltage Reference output is ready for use
FVROE: Voltage Reference Output Pin Buffer Enable bit
0 = Output pass gate is disabled
1 = Output pass gate is enabled
FVRBUFSS<1:0>: Voltage Reference Pin Buffer Source Select bits
00 = Selects the output of the band gap as the input
01 = DAC output
10 = Op amp buffered output
11 = Selects FVRIN (RA1)
Unimplemented: Read as ‘0’
FVRBUFEN: Voltage Reference Output Pin Buffer Enable bit
0 = Output buffer is disabled
1 = Output buffer is enabled
TABLE 13-1: SUMMARY OF REGISTERS ASSOCIATED WITH FIXED VOLTAGE REFERENCE
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2 Bit 1
Bit 0
Register
on Page
FVR1CON0 FVREN FVRRDY FVROE FVRBUFSS1 FVRBUFSS0 —
Legend: Shaded cells are not used with the Fixed Voltage Reference.
— FVRBUFEN 126
DS40001709A-page 126
Preliminary
 2013 Microchip Technology Inc.