PIC16LF819T-E/SS Microchip Technology, PIC16LF819T-E/SS Datasheet - Page 27
![IC PIC MCU FLASH 2KX14 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
PIC16LF819T-E/SS
Manufacturer Part Number
PIC16LF819T-E/SS
Description
IC PIC MCU FLASH 2KX14 20SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Specifications of PIC16LF819T-E/SS
Core Processor
PIC
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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2.2.2
In HS, HSPLL, XT and XTPLL Oscillator modes, a
crystal or ceramic resonator is connected to the OSC1
and OSC2 pins to establish oscillation. Figure 2-2
shows the pin connections.
The oscillator design requires the use of a parallel cut
crystal.
FIGURE 2-2:
TABLE 2-1:
© 2008 Microchip Technology Inc.
Capacitor values are for design guidance only.
These capacitors were tested with the resonators
listed below for basic start-up and operation. These
values are not optimized.
Different capacitor values may be required to produce
acceptable oscillator operation. The user should test
the performance of the oscillator over the expected
V
See the notes following Table 2-2 for additional
information.
Note 1: See Table 2-1 and Table 2-2 for initial values of
Note:
DD
Mode
HS
XT
and temperature range for the application.
C1
C2
2: A series resistor (R
3: R
(1)
(1)
Typical Capacitor Values Used:
C1 and C2.
strip cut crystals.
CRYSTAL OSCILLATOR/CERAMIC
RESONATORS
Use of a series cut crystal may give a fre-
quency out of the crystal manufacturer’s
specifications.
F
16.0 MHz
varies with the oscillator mode chosen.
XTAL
R
4.0 MHz
8.0 MHz
S
Freq
(2)
Resonators Used:
CAPACITOR SELECTION FOR
CERAMIC RESONATORS
OSC2
OSC1
16.0 MHz
CRYSTAL/CERAMIC
RESONATOR OPERATION
(XT, HS OR HSPLL
CONFIGURATION)
4.0 MHz
8.0 MHz
S
) may be required for AT
OSC1
33 pF
27 pF
22 pF
R
F
(3)
PIC18FXXXX
Sleep
OSC2
33 pF
27 pF
22 pF
To
Internal
Logic
TABLE 2-2:
An internal postscaler allows users to select a clock
frequency other than that of the crystal or resonator.
Frequency division is determined by the CPUDIV
Configuration bits. Users may select a clock frequency
of the oscillator frequency, or 1/2, 1/3 or 1/4 of the
frequency.
An external clock may also be used when the micro-
controller is in HS Oscillator mode. In this case, the
OSC2/CLKO pin is left open (Figure 2-3).
Capacitor values are for design guidance only.
These capacitors were tested with the crystals listed
below for basic start-up and operation. These values
are not optimized.
Different capacitor values may be required to produce
acceptable oscillator operation. The user should test
the performance of the oscillator over the expected
V
See the notes following this table for additional
information.
Osc Type
DD
Note 1: Higher capacitance increases the stability
HS
XT
and temperature range for the application.
2: When operating below 3V V
3: Since each resonator/crystal has its own
4: Rs may be required to avoid overdriving
5: Always verify oscillator performance over
PIC18F2450/4450
of oscillator but also increases the start-up
time.
using certain ceramic resonators at any
voltage, it may be necessary to use the
HS mode or switch to a crystal oscillator.
characteristics, the user should consult
the resonator/crystal manufacturer for
appropriate
components.
crystals with low drive level specification.
the V
expected for the application.
20 MHz
Crystal
4 MHz
8 MHz
4 MHz
Freq
CAPACITOR SELECTION FOR
CRYSTAL OSCILLATOR
DD
Crystals Used:
and temperature range that is
20 MHz
4 MHz
8 MHz
Typical Capacitor Values
values
27 pF
27 pF
22 pF
15 pF
C1
Tested:
DS39760D-page 25
of
DD
, or when
27 pF
27 pF
22 pF
15 pF
external
C2
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