PIC16LF1906T-I/SO Microchip Technology, PIC16LF1906T-I/SO Datasheet - Page 81

• Manufacturer Part Number: PIC16LF1906T-I/SO
• Description: 14KB Flash, 512B RAM, LCD, 11x10b ADC, EUSART, NanoWatt XLP 28 SOIC .300in T/R
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16LF1906T-I/SO

• Processor Series: PIC16LF
• Core: PIC
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Data Ram Size: 512 B
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 1 x 16-bit, 1 x 8-bit
• Operating Supply Voltage: 1.8 V to 5.5 V
• Mounting Style: SMD/SMT
• Package / Case: QFN-28
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: LIN, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 14KB (8K x 14)
• Eeprom Size: -
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / Rohs Status: Details

9.0
The Watchdog Timer is a system timer that generates
a Reset if the firmware does not issue a CLRWDT
instruction within the time-out period. The Watchdog
Timer is typically used to recover the system from
unexpected events.
The WDT has the following features:
• Independent clock source
• Multiple operating modes
• Configurable time-out period is from 1 ms to 256
• Multiple Reset conditions
• Operation during Sleep
FIGURE 9-1:
 2011 Microchip Technology Inc.
- WDT is always on
- WDT is off when in Sleep
- WDT is controlled by software
- WDT is always off
seconds (typical)
WDTE<1:0> = 01
WDTE<1:0> = 11
WDTE<1:0> = 10
WATCHDOG TIMER
SWDTEN
Sleep
WATCHDOG TIMER BLOCK DIAGRAM
Preliminary
LFINTOSC
23-bit Programmable
PIC16LF1904/6/7
WDTPS<4:0>
Prescaler WDT
WDT Time-out
DS41569A-page 81