PIC18F4431-E/PT Microchip Technology, PIC18F4431-E/PT Datasheet - Page 305

• Manufacturer Part Number: PIC18F4431-E/PT
• Description: IC MCU FLASH 8KX16 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F4431-E/PT

• Core Size: 8-Bit
• Program Memory Size: 16KB (8K x 16)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, Power Control PWM, QEI, POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 9x10b
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC18
• No. Of I/o's: 36
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CLRF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
 2003 Microchip Technology Inc.
Q Cycle Activity:
Before Instruction
After Instruction
Decode
FLAG_REG
FLAG_REG
Q1
register ‘f’
Clear f
[ label ] CLRF
0
a
000h
1
Z
Clears the contents of the specified
register. If ‘a’ is 0, the Access Bank
will be selected, overriding the BSR
value. If ‘a’ = 1, then the bank will
be selected as per the BSR value
(default).
1
1
CLRF
Read
0110
Q2
=
=
f
[0,1]
Z
255
0x5A
0x00
f
101a
Process
FLAG_REG
Data
Q3
f [,a]
ffff
register ‘f’
PIC18F2331/2431/4331/4431
Write
Q4
ffff
Preliminary
CLRWDT
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
Before Instruction
After Instruction
Decode
WDT Counter
WDT Counter
WDT Postscaler
TO
PD
Q1
operation
Clear Watchdog Timer
[ label ] CLRWDT
None
000h
000h
1
1
TO, PD
CLRWDT instruction resets the
Watchdog Timer. It also resets the
postscaler of the WDT. Status bits
TO and PD are set.
1
1
CLRWDT
0000
No
Q2
TO,
PD
=
=
=
=
=
WDT,
WDT postscaler,
0000
?
0x00
0
1
1
Process
Data
Q3
DS39616B-page 303
0000
operation
No
Q4
0100