PIC16F877-04I/L Microchip Technology, PIC16F877-04I/L Datasheet - Page 562

• Manufacturer Part Number: PIC16F877-04I/L
• Description: IC MCU FLASH 8KX14 EE 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877-04I/L

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Core Processor: PIC
• Speed: 4MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 368Byte
• Cpu Speed: 4MHz
• No. Of Timers: 3
• 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: 33
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 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: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Data Rom Size: 256 B
• Height: 3.87 mm
• Length: 16.59 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4 V
• Width: 16.59 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / Rohs Status: Details

PICmicro MID-RANGE MCU FAMILY
DS31029A-page 29-40
SUBWF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Q Cycle Activity:
Example 1:
Case 2:
Case 3:
Case 1:
Q1
Decode
SUBWF
Before Instruction
After Instruction
Before Instruction
After Instruction
Before Instruction
After Instruction
Q2
register 'f'
[ label ]
0
d
(f) - (W)
Subtract (2’s complement method) W register from register 'f'. If 'd' is 0 the
result is stored in the W register. If 'd' is 1 the result is stored back in reg-
ister 'f'.
1
1
C, DC, Z
Read
00
f
[0,1]
127
REG1= 3
W
C
Z
REG1= 1
W
C
Z
REG1= 2
W
C
Z
REG1= 0
W
C
Z
REG1= 1
W
C
Z
REG1= 0xFF
W
C
Z
REG1,1
Subtract W from f
Q3
SUBWF f,d
destination
= 2
= x
= x
= 2
= 1
= 0
= 2
= x
= x
= 2
= 1
= 1
= 2
= x
= x
= 2
= 0
= 0
0010
Process
data
dfff
Q4
destination
Write to
; result is positive
; result is zero
; result is negative
ffff
1997 Microchip Technology Inc.