Datasheet

 2011 Microchip Technology Inc. Preliminary DS41586A-page 118
PIC16(L)F1507
13.3 FVR Control Registers
TABLE 13-2: SUMMARY OF REGISTERS ASSOCIATED WITH THE FIXED VOLTAGE REFERENCE
REGISTER 13-1: FVRCON: FIXED VOLTAGE REFERENCE CONTROL REGISTER
R/W-0/0 R-q/q R/W-0/0 R/W-0/0 U-0 U-0 R/W-0/0 R/W-0/0
FVREN FVRRDY
(1)
TSEN TSRNG — —ADFVR<1:0>
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
1 = Fixed Voltage Reference is enabled
0 = Fixed Voltage Reference is disabled
bit 6 FVRRDY: Fixed Voltage Reference Ready Flag bit
(1)
1 = Fixed Voltage Reference output is ready for use
0 = Fixed Voltage Reference output is not ready or not enabled
bit 5 TSEN: Temperature Indicator Enable bit
1 = Temperature Indicator is enabled
0 = Temperature Indicator is disabled
bit 4 TSRNG: Temperature Indicator Range Selection bit
1 =V
OUT = VDD - 4VT (High Range)
0 =V
OUT = VDD - 2VT (Low Range)
bit 3-2 Unimplemented: Read as ‘0’
bit 1-0 ADFVR<1:0>: ADC Fixed Voltage Reference Selection bit
11 = ADC Fixed Voltage Reference Peripheral output is 4x (4.096V)
(2)
10 = ADC Fixed Voltage Reference Peripheral output is 2x (2.048V)
(2)
01 = ADC Fixed Voltage Reference Peripheral output is 1x (1.024V)
00 = ADC Fixed Voltage Reference Peripheral output is off
Note 1: FVRRDY is always ‘1’ for the PIC16F1507 devices.
2: Fixed Voltage Reference output cannot exceed V
DD.
Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Register
on page
FVRCON FVREN FVRRDY TSEN TSRNG — —ADFVR<1:0>118
Legend: Shaded cells are unused by the Fixed Voltage Reference module.