PIC16LF721-I/ML Microchip Technology, PIC16LF721-I/ML Datasheet - Page 30
![MCU PIC 4K FLASH 20-QFN](/photos/19/6/190618/4696113_sml.jpg)
PIC16LF721-I/ML
Manufacturer Part Number
PIC16LF721-I/ML
Description
MCU PIC 4K FLASH 20-QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 16Fr
Specifications of PIC16LF721-I/ML
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Core Processor
PIC
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Number Of I /o
17
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 12x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-VFQFN Exposed Pad
Controller Family/series
PIC16LF
No. Of I/o's
18
Ram Memory Size
256Byte
Cpu Speed
16MHz
No. Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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PIC16F/LF720/721
3.4.2
The WDTE bit is located in the Configuration Word
Register 1. When set, the WDT runs continuously.
The PSA and PS<2:0> bits of the OPTION register
control the WDT period. See
Module”
FIGURE 3-1:
TABLE 3-3:
DS41430A-page 30
WDTE = 0
CLRWDT Command
Exit Sleep + System Clock = INTOSC, EXTCLK
T1GSS = 11
TMR1GE
WDTE
for more information.
WDT CONTROL
WDT STATUS
WATCHDOG TIMER BLOCK DIAGRAM
Section 12.0 “Timer0
Conditions
Low-Power
WDT OSC
Divide by
512
PSA
Clock Source
From TMR0
0
1
0
To T1G
Postscaler
2010 Microchip Technology Inc.
WDTE
1
8
Cleared
WDT
TO TMR0
PS<2:0>
WDT Reset
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