PIC16LF819T-E/SS Microchip Technology, PIC16LF819T-E/SS Datasheet - Page 205
![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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18.2
For PIC18F2450/4450 devices, the WDT is driven by
the INTRC source. When the WDT is enabled, the
clock source is also enabled. The nominal WDT period
is 4 ms and has the same stability as the INTRC
oscillator.
The 4 ms period of the WDT is multiplied by a 16-bit
postscaler. Any output of the WDT postscaler is
selected by a multiplexer, controlled by bits in
Configuration Register 2H. Available periods range
from 4 ms to 131.072 seconds (2.18 minutes). The
WDT and postscaler are cleared when any of the
following events occur: a SLEEP or CLRWDT instruction
is executed or a clock failure has occurred.
FIGURE 18-1:
© 2008 Microchip Technology Inc.
All Device Resets
Watchdog Timer (WDT)
INTRC Source
WDTPS<3:0>
SWDTEN
WDTEN
CLRWDT
SLEEP
WDT BLOCK DIAGRAM
Enable WDT
WDT Counter
÷128
4
INTRC Control
Programmable Postscaler
1:1 to 1:32,768
18.2.1
Register 18-15 shows the WDTCON register. This is a
readable and writable register which contains a control
bit that allows software to override the WDT enable
Configuration bit, but only if the Configuration bit has
disabled the WDT.
Note 1: The CLRWDT and SLEEP instructions
2: When a CLRWDT instruction is executed,
WDT
PIC18F2450/4450
CONTROL REGISTER
clear the WDT and postscaler counts
when executed.
the postscaler count will be cleared.
Reset
Wake-up from
Power-Managed
Modes
WDT
Reset
DS39760D-page 203
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