PIC16LF819T-I/SO Microchip Technology, PIC16LF819T-I/SO Datasheet - Page 26
![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: 26 of 324
- Download datasheet (6Mb)
PIC18F2450/4450
2.2.1
Because of the unique requirements of the USB
module, a different approach to clock operation is
necessary. In previous PIC
and peripheral clocks were driven by a single oscillator
source; the usual sources were primary, secondary or
the internal oscillator. With PIC18F2450/4450 devices,
the primary oscillator becomes part of the USB module
and cannot be associated to any other clock source.
Thus, the USB module must be clocked from the
primary clock source; however, the microcontroller
core and other peripherals can be separately clocked
from the secondary or internal oscillators as before.
FIGURE 2-1:
DS39760D-page 24
T1OSO
T1OSI
OSC2
OSC1
OSCILLATOR MODES AND
USB OPERATION
Primary Oscillator
Secondary Oscillator
PIC18F2450/4450 CLOCK DIAGRAM
XT, HS, EC, ECIO
Sleep
T1OSCEN
Enable
Oscillator
®
microcontrollers, all core
Internal RC Oscillator
31.25 kHz
÷ 4
÷ 3
÷ 2
÷ 1
CPUDIV<1:0>
÷ 12
÷ 10
÷ 6
÷ 5
÷ 4
÷ 3
÷ 2
÷ 1
PIC18F2450/4450
PLLDIV<2:0>
11
10
01
00
111
110
101
100
011
010
001
000
HSPLL, ECPLL,
XTPLL, ECPIO
(4 MHz Input Only)
OSCCON<6:4>
Because of the timing requirements imposed by USB,
an internal clock of either 6 MHz or 48 MHz is required
while the USB module is enabled. Fortunately, the
microcontroller and other peripherals are not required
to run at this clock speed when using the primary
oscillator. There are numerous options to achieve the
USB module clock requirement and still provide flexi-
bility for clocking the rest of the device from the primary
oscillator source. These are detailed in Section 2.3
“Oscillator Settings for USB”.
96 MHz
PLL
÷ 6
÷ 4
÷ 3
÷ 2
CPUDIV<1:0>
11
10
01
00
FOSC3:FOSC0
÷ 2
Internal Oscillator
USBDIV
1
0
FOSC3:FOSC0
0
1
Primary
Clock
T1OSC
© 2008 Microchip Technology Inc.
USB Clock Source
÷ 4
Clock Source Option
for Other Modules
WDT, PWRT, FSCM
and Two-Speed Start-up
Control
Clock
OSCCON<1:0>
FSEN
1
0
IDLEN
Peripherals
Peripheral
USB
CPU
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