PIC16F648A-E/P Microchip Technology, PIC16F648A-E/P Datasheet - Page 116

• Manufacturer Part Number: PIC16F648A-E/P
• Description: IC MCU FLASH 4KX14 EEPROM 18DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F648A-E/P

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 18-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SCI/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 125 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, DM163014, DM164120-4
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3DBF648 - BOARD DAUGHTER ICEPIC3AC162053 - HEADER INTERFACE ICD,ICD2 18DIPACICE0202 - ADAPTER MPLABICE 18P 300 MIL
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F627A/628A/648A
DS40044B-page 114
BCF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
BSF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
Bit Clear f
[ label ] BCF
0
0
0
None
01
Bit ‘b’ in register ‘f’ is cleared
1
1
BCF
Before Instruction
After Instruction
Bit Set f
[ label ] BSF
0
0
1
None
01
Bit ‘b’ in register ‘f’ is set.
1
1
BSF
Before Instruction
After Instruction
f
b
f
b
(f<b>)
(f<b>)
REG1
REG1
127
127
REG1
REG1
7
7
00bb
REG1, 7
01bb
REG1, 7
f,b
f,b
= 0xC7
= 0x47
= 0x0A
= 0x8A
bfff
bfff
.
ffff
ffff
Preliminary
BTFSC
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
Bit Test f, Skip if Clear
[ label ] BTFSC f,b
0
0
skip if (f<b>) = 0
None
If bit ‘b’ in register ‘f’ is ‘0’ then the
next instruction is skipped.
If bit ‘b’ is ‘0’ then the next instruction
fetched during the current instruction
execution is discarded, and a NOP is
executed instead, making this a two-
cycle instruction
1
1(2)
HERE
FALSE
TRUE
Before Instruction
After Instruction
01
 2004 Microchip Technology Inc.
f
b
PC = address HERE
if REG<1> = 0,
PC = address TRUE
if REG<1>=1,
PC = address FALSE
127
7
10bb
BTFSC
GOTO
•
•
•
.
bfff
REG1
PROCESS_CODE
ffff