PIC16F818-I/SSTSL Microchip Technology, PIC16F818-I/SSTSL Datasheet - Page 541

• Manufacturer Part Number: PIC16F818-I/SSTSL
• Description: IC PIC MCU FLASH 1KX14 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F818-I/SSTSL

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 1.75KB (1K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1997 Microchip Technology Inc.
CLRWDT
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example 1
Note:
Q1
Decode
The CLRWDT instruction does not affect the assignment of the WDT prescaler.
Q2
operation
Before Instruction
After Instruction
CLRWDT
No
[ label ] CLRWDT
None
00h
0
1
1
TO, PD
CLRWDT instruction clears the Watchdog Timer. It also clears the pres-
caler count of the WDT. Status bits TO and PD are set.
1
1
Section 29. Instruction Set
00
WDT prescaler count,
TO
PD
WDT counter= x
WDT prescaler =1:128
WDT counter=0x00
WDT prescaler count=0
TO
PD
WDT prescaler =1:128
WDT
Q3
Clear Watchdog Timer
Process
= 1
= 1
0000
data
0110
Q4
Counter
Clear
WDT
0100
DS31029A-page 29-19
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