PIC16F872-E/SS Microchip Technology, PIC16F872-E/SS Datasheet - Page 548

• Manufacturer Part Number: PIC16F872-E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,28PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F872-E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SSOP
• Package: 28SSOP
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 22
• Interface Type: I2C/SPI
• On-chip Adc: 5-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PICmicro MID-RANGE MCU FAMILY
DS31029A-page 29-26
IORLW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example 1
Example 2
Example 3
Example 4
Q1
Decode
Q2
[ label ]
0
(W).OR. k
Z
The contents of the W register is OR’ed with the eight bit literal 'k'. The result is
placed in the W register
1
1
Before Instruction
After Instruction
Before Instruction
After Instruction
Before Instruction
After Instruction
Before Instruction
After Instruction
literal 'k'
Read
IORLW
IORLW
IORLW
IORLW
11
k
255
W
W
Z
W
Address of MYREG
† MYREG is a symbol for a data memory location
W
Z
W
Address of LU_TABLE
† LU_TABLE is a label for an address in program memory
W
Z
W
W
Z
Inclusive OR Literal with W
IORLW k
0x35
MYREG
HIGH (LU_TABLE)
0x00
1000
Q3
Process
W
= 0x9A
= 0xBF
= 0
= 0x9A
= 0x9F
= 0
= 0x9A
= 0x9B
= 0
= 0x00
= 0x00
= 1
data
kkkk
.
Q4
Write to W
register
†
= 0x37
kkkk
†
= 0x9375
1997 Microchip Technology Inc.