PIC16F721-I/SO Microchip Technology, PIC16F721-I/SO Datasheet - Page 181

• Manufacturer Part Number: PIC16F721-I/SO
• Description: MCU PIC 4K FLASH 20-SOIC
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F721-I/SO

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Core Processor: PIC
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Number Of I /o: 17
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Controller Family/series: PIC16F
• No. Of I/o's: 18
• Ram Memory Size: 256Byte
• Cpu Speed: 16MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SUBWF
Syntax:
Operands:
Operation:
Status Affected: C, DC, Z
Description:
SWAPF
Syntax:
Operands:
Operation:
Status Affected:
Description:
 2010 Microchip Technology Inc.
Subtract W from f
[ label ] SUBWF f,d
0 f 127
d  [0,1]
(f) - (W) destination)
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 register ‘f.
C = 0
C = 1
DC = 0
DC = 1
(f<3:0>)  (destination<7:4>),
The upper and lower nibbles of
Swap Nibbles in f
[ label ] SWAPF f,d
0  f  127
d  [0,1]
(f<7:4>)  (destination<3:0>)
None
register ‘f’ are exchanged. If ‘d’ is
‘0’, the result is placed in the W
register. If ‘d’ is ‘1’, the result is
placed in register ‘f’.
W  f
W  f
W<3:0>  f<3:0>
W<3:0>  f<3:0>
XORLW
Syntax:
Operands:
Operation:
Status Affected:
Description:
XORWF
Syntax:
Operands:
Operation:
Status Affected:
Description:
PIC16F/LF720/721
[ label ] XORWF
0  f  127
d  [0,1]
(W) .XOR. (f) destination)
Z
Exclusive OR the contents of the
W register with register ‘f’. If ‘d’ is
‘0’, the result is stored in the W
register. If ‘d’ is ‘1’, the result is
stored back in register ‘f’.
Exclusive OR W with f
Exclusive OR literal with W
[ label ] XORLW k
0 k 255
(W) .XOR. k W)
Z
The contents of the W register
are XOR’ed with the eight-bit
literal ‘k’. The result is placed in
the W register.
DS41430A-page 181
f,d