PIC16F818-I/SSTSL Microchip Technology, PIC16F818-I/SSTSL Datasheet - Page 555

• 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.
RETFIE
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
1st cycle:
2nd cycle:
Example
Q1
Q1
operation
Decode
No
Q2
Q2
operation
operation
[ label ]
None
TOS
1
None
Return from Interrupt. The 13-bit address at the Top of Stack (TOS) is
loaded in the PC. The Global Interrupt Enable bit, GIE (INTCON<7>), is
automatically set, enabling Interrupts. This is a two cycle instruction.
1
2
After Instruction
RETFIE
No
No
00
GIE
Section 29. Instruction Set
PC,
PC = TOS
GIE = 1
Return from Interrupt
RETFIE
0000
Q3
Q3
operation
Process
data
No
0000
Q4
Q4
operation
operation
No
No
1001
DS31029A-page 29-33
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