PIC16LF1904T-I/PT Microchip Technology, PIC16LF1904T-I/PT Datasheet - Page 121
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PIC16LF1904T-I/PT
Manufacturer Part Number
PIC16LF1904T-I/PT
Description
7KB Flash, 256B RAM, LCD, 14x10b ADC, EUSART, NanoWatt XLP 44 TQFP 10x10x1mm T/R
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Datasheet
1.PIC16LF1904-EMV.pdf
(288 pages)
Specifications of PIC16LF1904T-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
LIN, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
7KB (4K x 14)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP
Processor Series
PIC16LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
36
Number Of Timers
1 x 16-bit, 1 x 8-bit
Operating Supply Voltage
1.8 V to 5.5 V
Mounting Style
Through Hole
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF1904T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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13.0
The Fixed Voltage Reference (FVR) is a stable voltage
reference, independent of V
selectable output levels. The output of the FVR can be
configured to supply a reference voltage to the
following:
• ADC input channel
• ADC positive reference
The FVR can be enabled by setting the FVREN bit of
the FVRCON register.
FIGURE 13-1:
TABLE 13-1:
2011 Microchip Technology Inc.
HFINTOSC
BOR
Peripheral
FIXED VOLTAGE REFERENCE
(FVR)
FOSC<2:0> = 100 and
IRCF<3:0> = 000x
BOREN<1:0> = 11
BOREN<1:0> = 10 and BORFS = 1
BOREN<1:0> = 01 and BORFS = 1
Any peripheral requiring
PERIPHERALS REQUIRING THE FIXED VOLTAGE REFERENCE (FVR)
the Fixed Reference
FVREN
(See
VOLTAGE REFERENCE BLOCK DIAGRAM
Table
ADFVR<1:0>
DD
Conditions
, with 1.024V or 2.048V
13-1)
2
+
-
Preliminary
1.024V Fixed
Reference
INTOSC is active and device is not in Sleep.
BOR always enabled.
BOR disabled in Sleep mode, BOR Fast Start enabled.
BOR under software control, BOR Fast Start enabled.
x1
x2
13.1
The output of the FVR supplied to the ADC is routed
through
amplifiers. Each amplifier can be configured to amplify
the reference voltage by 1x or 2x, to produce the two
possible voltage levels.
The ADFVR<1:0> bits of the FVRCON register are
used to enable and configure the gain amplifier settings
for the reference supplied to the ADC module. Refer-
ence
(ADC) Module”
13.2
When the Fixed Voltage Reference module is enabled, it
requires time for the reference and amplifier circuits to
stabilize. Once the circuits stabilize and are ready for use,
the FVRRDY bit of the FVRCON register will be set. See
Section 22.0 “Electrical Specifications”
minimum delay requirement.
FVRRDY
Section 15.0 “Analog-to-Digital Converter
Independent Gain Amplifiers
FVR Stabilization Period
two
PIC16LF1904/6/7
for additional information.
Description
independent
(To ADC Module)
FVR BUFFER1
programmable
DS41569A-page 121
for the
gain
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