PIC16LF819T-I/SO Microchip Technology, PIC16LF819T-I/SO Datasheet - Page 28
![IC MCU FLASH 2KX14 EEPROM 18SOIC](/photos/6/76/67656/150-18-soic_sml.jpg)
PIC16LF819T-I/SO
Manufacturer Part Number
PIC16LF819T-I/SO
Description
IC MCU FLASH 2KX14 EEPROM 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16LF627A-IP.pdf
(8 pages)
2.PIC16F818-ISO.pdf
(6 pages)
3.PIC16F818-ISO.pdf
(8 pages)
4.PIC16F818-ISO.pdf
(8 pages)
5.PIC18F2450-ISO.pdf
(324 pages)
Specifications of PIC16LF819T-I/SO
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 ~ 85°C
Package / Case
18-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16LF819T-I/SO
Manufacturer:
MITSUBISHI
Quantity:
330
Part Number:
PIC16LF819T-I/SO
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16LF627A-IP PDF datasheet
- PIC16F818-ISO PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F818-ISO PDF datasheet #4
- PIC18F2450-ISO PDF datasheet #5
- Current page: 28 of 324
- Download datasheet (6Mb)
PIC18F2450/4450
FIGURE 2-3:
2.2.3
The EC, ECIO, ECPLL and ECPIO Oscillator modes
require an external clock source to be connected to the
OSC1 pin. There is no oscillator start-up time required
after a Power-on Reset or after an exit from Sleep
mode.
In the EC and ECPLL Oscillator modes, the oscillator
frequency divided by 4 is available on the OSC2 pin.
This signal may be used for test purposes or to
synchronize other logic. Figure 2-4 shows the pin
connections for the EC Oscillator mode.
FIGURE 2-4:
The ECIO and ECPIO Oscillator modes function like the
EC and ECPLL modes, except that the OSC2 pin
becomes an additional general purpose I/O pin. The I/O
pin becomes bit 6 of PORTA (RA6). Figure 2-5 shows
the pin connections for the ECIO Oscillator mode.
FIGURE 2-5:
The internal postscaler for reducing clock frequency in
XT and HS modes is also available in EC and ECIO
modes.
DS39760D-page 26
Clock from
Ext. System
Clock from
Ext. System
Clock from
Ext. System
EXTERNAL CLOCK INPUT
F
Open
OSC
RA6
/4
EXTERNAL CLOCK INPUT
OPERATION (HS OSC
CONFIGURATION)
EXTERNAL CLOCK
INPUT OPERATION
(EC AND ECPLL
CONFIGURATION)
EXTERNAL CLOCK
INPUT OPERATION
(ECIO AND ECPIO
CONFIGURATION)
OSC1
OSC2
OSC1/CLKI
OSC2/CLKO
OSC1/CLKI
I/O (OSC2)
PIC18FXXXX
PIC18FXXXX
PIC18FXXXX
(HS Mode)
2.2.4
PIC18F2450/4450 devices include a Phase Locked
Loop (PLL) circuit. This is provided specifically for USB
applications with lower speed oscillators and can also
be used as a microcontroller clock source.
The PLL is enabled in HSPLL, XTPLL, ECPLL and
ECPIO Oscillator modes. It is designed to produce a
fixed 96 MHz reference clock from a fixed 4 MHz input.
The output can then be divided and used for both the
USB and the microcontroller core clock. Because the
PLL has a fixed frequency input and output, there are
eight prescaling options to match the oscillator input
frequency to the PLL.
There is also a separate postscaler option for deriving
the microcontroller clock from the PLL. This allows the
USB peripheral and microcontroller to use the same
oscillator input and still operate at different clock
speeds. In contrast to the postscaler for XT, HS and EC
modes, the available options are 1/2, 1/3, 1/4 and 1/6
of the PLL output.
The HSPLL, ECPLL and ECPIO modes make use of
the HS mode oscillator for frequencies up to 48 MHz.
The prescaler divides the oscillator input by up to 12 to
produce the 4 MHz drive for the PLL. The XTPLL mode
can only use an input frequency of 4 MHz which drives
the PLL directly.
FIGURE 2-6:
HS/EC/ECIO/XT Oscillator Enable
OSC2
OSC1
(from CONFIG1H Register)
Oscillator
Prescaler
PLL FREQUENCY MULTIPLIER
and
F
F
PLL Enable
÷24
PLL BLOCK DIAGRAM
(HS MODE)
IN
OUT
© 2008 Microchip Technology Inc.
Comparator
Phase
Loop
Filter
VCO
SYSCLK
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