PIC16F1937T-I/MV Microchip Technology, PIC16F1937T-I/MV Datasheet - Page 156
![14KB Flash, 512B RAM, 256B EEPROM, LCD, 1.8-5.5V 40 UQFN 5x5x0.5mm T/R](/photos/16/12/161286/qfn44_sml.jpg)
PIC16F1937T-I/MV
Manufacturer Part Number
PIC16F1937T-I/MV
Description
14KB Flash, 512B RAM, 256B EEPROM, LCD, 1.8-5.5V 40 UQFN 5x5x0.5mm T/R
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16F1937-EMV.pdf
(472 pages)
Specifications of PIC16F1937T-I/MV
Processor Series
PIC16F
Core
PIC
Program Memory Type
Flash
Program Memory Size
14 KB
Data Ram Size
256 B
Interface Type
MI2C, SPI, EUSART
Number Of Timers
5
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
UQFN-40
Development Tools By Supplier
MPLAB IDE Software
Minimum Operating Temperature
- 40 C
Core Processor
PIC
Core Size
8-Bit
Speed
32MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
36
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Lead Free Status / Rohs Status
Details
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PIC16(L)F1934/6/7
14.3
REGISTER 14-1:
TABLE 14-1:
DS41364E-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:
FVR Control Registers
FVRRDY is always ‘1’ on devices with LDO (PIC16F1934/6/7).
Fixed Voltage Reference output cannot exceed V
See
Shaded cells are not used with the Fixed Voltage Reference.
Section 16.0 “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 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
- 2V
- 4V
TSEN
T
T
(Low Range)
(High Range)
TSEN
Bit 5
R/W-0/0
TSRNG
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
2008-2011 Microchip Technology Inc.
(2)
(2)
Bit 1
ADFVR<1:0>
R/W-0/0
ADFVR<1:0>
Bit 0
(2)
(2)
R/W-0/0
Register
on page
156
bit 0
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