PIC16F1947-I/PT Microchip Technology Inc., PIC16F1947-I/PT Datasheet - Page 156

• Manufacturer Part Number: PIC16F1947-I/PT
• Description: 64 TQFP 10x10x1mm TRAY28KB Flash, 1KB RAM, 256B EEPROM, LCD, 1.8-5.5V
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F1947-I/PT

• A/d Inputs: 17-Channel, 10-Bit
• Comparators: 3
• Cpu Speed: 8 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 54
• Interface: CAN/I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 64-pin TQFP
• Programmable Memory: 28K Bytes
• Ram Size: 1K Bytes
• Speed: 32 MHz
• Timers: 4-8-bit, 1-16-bit
• Voltage, Range: 1.8-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F/LF1946/47
REGISTER 14-1:
TABLE 14-1:
DS41414B-page 156
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 PIC16F1946/47 only.
Fixed Voltage Reference output cannot exceed V
See
Shaded cells are not used with the Fixed Voltage Reference.
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, DAC and CPS module Fixed Voltage Reference Peripheral output is off
01 = Comparator, DAC and CPS module Fixed Voltage Reference Peripheral output is 1x (1.024V)
10 = Comparator, DAC and CPS module Fixed Voltage Reference Peripheral output is 2x (2.048V)
11 = Comparator, DAC and CPS module 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 FIXED VOLTAGE REFERENCE
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
- 4V
- 2V
TSEN
T
T
(High Range)
(Low 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
CDAFVR<1:0>
for additional information.
CDAFVR<1:0>
(1)
(3)
Bit 2
R/W-0/0
(2)
(2)
Bit 1
 2010 Microchip Technology Inc.
ADFVR<1:0>
R/W-0/0
ADFVR<1:0>
Bit 0
R/W-0/0
Register
on page
156
bit 0
(2)
(2)