PIC16F84A-20E/SO Microchip Technology, PIC16F84A-20E/SO Datasheet - Page 541
![IC MCU CMOS 20MHZ 1K FLSH 18SOIC](/photos/6/76/67656/150-18-soic_sml.jpg)
PIC16F84A-20E/SO
Manufacturer Part Number
PIC16F84A-20E/SO
Description
IC MCU CMOS 20MHZ 1K FLSH 18SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC16F84A-04P.pdf
(88 pages)
3.PIC16F84A-04P.pdf
(6 pages)
Specifications of PIC16F84A-20E/SO
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
POR, WDT
Number Of I /o
13
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
68 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
18-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Connectivity
-
- Current page: 541 of 688
- Download datasheet (3Mb)
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
29
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