PIC16LF819T-I/SO Microchip Technology, PIC16LF819T-I/SO Datasheet - Page 35
![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: 35 of 324
- Download datasheet (6Mb)
3.0
PIC18F2450/4450 devices offer a total of seven
operating
management. These modes provide a variety of
options for selective power conservation in applications
where resources may be limited (i.e., battery-powered
devices).
There are three categories of power-managed modes:
• Run modes
• Idle modes
• Sleep mode
These categories define which portions of the device
are clocked and sometimes, what speed. The Run and
Idle modes may use any of the three available clock
sources (primary, secondary or internal oscillator); the
Sleep mode does not use a clock source.
The power-managed modes include several power-
saving
microcontrollers. One is the clock switching feature,
offered in other PIC18 devices, allowing the controller
to use the Timer1 oscillator in place of the primary
oscillator. Also included is the Sleep mode, offered by
all PIC microcontrollers, where all device clocks are
stopped.
3.1
Selecting a power-managed mode requires two
decisions: if the CPU is to be clocked or not and the
selection
(OSCCON<7>) controls CPU clocking, while the
SCS1:SCS0 bits (OSCCON<1:0>) select the clock
source. The individual modes, bit settings, clock sources
and affected modules are summarized in Table 3-1.
TABLE 3-1:
© 2008 Microchip Technology Inc.
Sleep
PRI_RUN
SEC_RUN
RC_RUN
PRI_IDLE
SEC_IDLE
RC_IDLE
Note 1:
Mode
2:
POWER-MANAGED MODES
Selecting Power-Managed Modes
features
of
IDLEN reflects its value when the SLEEP instruction is executed.
Clock is INTRC source.
modes
a
IDLEN
POWER-MANAGED MODES
N/A
N/A
N/A
clock
0
1
1
1
offered
(1)
OSCCON Bits
for
source.
more
SCS1:SCS0
on
N/A
00
00
01
1x
01
1x
The
efficient
previous
IDLEN
Clocked
Clocked
Clocked
power
Module Clocking
CPU
PIC
Off
Off
Off
Off
bit
®
Peripherals
Clocked
Clocked
Clocked
Clocked
Clocked
Clocked
Off
3.1.1
The SCS1:SCS0 bits allow the selection of one of three
clock sources for power-managed modes. They are:
• The primary clock, as defined by the
• The secondary clock (the Timer1 oscillator)
• The internal oscillator (for RC modes)
3.1.2
Switching from one power-managed mode to another
begins by loading the OSCCON register. The
SCS1:SCS0 bits select the clock source and determine
which Run or Idle mode is to be used. Changing these
bits causes an immediate switch to the new clock
source, assuming that it is running. The switch may
also be subject to clock transition delays. These are
discussed in Section 3.1.3 “Clock Transitions and
Status Indicators” and subsequent sections.
Entry to the power-managed Idle or Sleep modes is
triggered by the execution of a SLEEP instruction. The
actual mode that results depends on the status of the
IDLEN bit.
Depending on the current mode and the mode being
switched to, a change to a power-managed mode does
not always require setting all of these bits. Many
transitions may be done by changing the oscillator
select bits, or changing the IDLEN bit, prior to issuing a
SLEEP instruction. If the IDLEN bit is already
configured correctly, it may only be necessary to
perform a SLEEP instruction to switch to the desired
mode.
FOSC3:FOSC0 Configuration bits
None – all clocks are disabled
Primary – all oscillator modes.
This is the normal full-power execution mode.
Secondary – Timer1 oscillator
Internal oscillator
Primary – all oscillator modes
Secondary – Timer1 oscillator
Internal oscillator
PIC18F2450/4450
Available Clock and Oscillator Source
CLOCK SOURCES
ENTERING POWER-MANAGED
MODES
(2)
(2)
DS39760D-page 33
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