PIC16F1847-I/SO Microchip Technology, PIC16F1847-I/SO Datasheet - Page 136

• Manufacturer Part Number: PIC16F1847-I/SO
• Description: 14 KB Flash, 1K Bytes RAM, 32 MHz Int. Osc, 16 I/0, Enhanced Mid Range Core 18 S
• Manufacturer: Microchip Technology

Specifications of PIC16F1847-I/SO

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16(L)F1847
REGISTER 14-1:
TABLE 14-1:
DS41453A-page 136
bit 7
Legend:
R = Readable bit
u = Bit is unchanged
‘1’ = Bit is set
bit 7
bit 6
bit 5
bit 4
bit 3-2
bit 1-0
Note 1:
FVRCON
Legend:
R/W-0/0
FVREN
Name
2:
3:
FVRRDY is always ‘1’ on devices with LDO (PIC16F1847).
Fixed Voltage Reference output cannot exceed V
See
Shaded cells are unused by the FVR module.
Section 15.0 “Temperature Indicator Module”
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
1 = Fixed Voltage Reference output is ready for use
TSEN: Temperature Indicator Enable bit
0 = Temperature Indicator is disabled
1 = Temperature Indicator is enabled
TSRNG: Temperature Indicator Range Selection bit
0 = V
1 = V
CDAFVR<1:0>: Comparator and DAC Fixed Voltage Reference Selection bit
00 = Comparator and DAC Fixed Voltage Reference Peripheral output is off.
01 = Comparator and DAC Fixed Voltage Reference Peripheral output is 1x (1.024V)
10 = Comparator and DAC Fixed Voltage Reference Peripheral output is 2x (2.048V)
11 = Comparator and DAC Fixed Voltage Reference Peripheral output is 4x (4.096V)
ADFVR<1:0>: ADC Fixed Voltage Reference Selection bit
00 = ADC Fixed Voltage Reference Peripheral output is off.
01 = ADC Fixed Voltage Reference Peripheral output is 1x (1.024V)
10 = ADC Fixed Voltage Reference Peripheral output is 2x (2.048V)
11 = ADC Fixed Voltage Reference Peripheral output is 4x (4.096V)
FVREN
FVRRDY
SUMMARY OF REGISTERS ASSOCIATED WITH THE FVR MODULE
Bit 7
R-q/q
OUT
OUT
FVRCON: FIXED VOLTAGE REFERENCE CONTROL REGISTER
(1)
= V
= V
FVRRDY
Bit 6
DD
DD
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
R/W-0/0
- 2V
- 4V
TSEN
T
T
(Low Range)
(High Range)
TSEN
Bit 5
R/W-0/0
TSRNG
Preliminary
TSRNG
Bit 4
(3)
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
q = Value depends on condition
DD
R/W-0/0
.
Bit 3
for additional information.
CDAFVR<1:0>
CDAFVR<1:0>
(1)
(3)
Bit 2
R/W-0/0
(2)
(2)
Bit 1
 2011 Microchip Technology Inc.
ADFVR<1:0>
R/W-0/0
ADFVR<1:0>
Bit 0
(2)
(2)
R/W-0/0
Register
on page
136
bit 0