PIC16F876-20/SP Microchip Technology, PIC16F876-20/SP Datasheet - Page 555

• Manufacturer Part Number: PIC16F876-20/SP
• Description: IC MCU FLASH 8KX14 EE 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F876-20/SP

• Program Memory Type: FLASH
• Program Memory Size: 14KB (8K x 14)
• Package / Case: 28-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: MSSP/PSP/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
• Minimum Operating Temperature: 0 C
• On-chip Adc: 5-ch x 10-bit
• Data Rom Size: 256 B
• A/d Bit Size: 10 bit
• A/d Channels Available: 5
• Height: 3.3 mm
• Length: 34.67 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4 V
• Width: 7.24 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, 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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