參數(shù)資料
型號(hào): PIC16F873
廠商: Microchip Technology, Inc.
元件分類: 8位微控制器
英文描述: Enhanced FLASH/EEPROM 8-Bit Microcontroller With A/D Module
中文描述: 帶A/D模塊的增強(qiáng)型閃存/EEPROM 8位微控制器(驅(qū)動(dòng)/吸收電流高,工作電壓2.5-5.5V的微控制器)
文件頁數(shù): 112/170頁
文件大小: 4191K
代理商: PIC16F873
PIC16F62X
DS40300C-page 110
Preliminary
2003 Microchip Technology Inc.
BCF
Bit Clear f
Syntax:
[
label
] BCF f,b
Operands:
0
f
127
0
b
7
Operation:
0
(f<b>)
Status Affected:
None
Encoding:
01
00bb
bfff
ffff
Description:
Bit 'b' in register 'f' is cleared.
Words:
1
Cycles:
1
Example
BCF
REG1, 7
Before Instruction
REG1
After Instruction
REG1
= 0xC7
= 0x47
BSF
Bit Set f
Syntax:
[
label
] BSF f,b
Operands:
0
f
127
0
b
7
Operation:
1
(f<b>)
Status Affected:
None
Encoding:
01
01bb
bfff
ffff
Description:
Bit 'b' in register 'f' is set.
Words:
1
Cycles:
1
Example
BSF
REG1, 7
Before Instruction
REG1 = 0x0A
After Instruction
REG1 = 0x8A
BTFSC
Bit Test f, Skip if Clear
Syntax:
[
label
] BTFSC f,b
Operands:
0
f
127
0
b
7
Operation:
skip if (f<b>) = 0
Status Affected:
None
Encoding:
01
10bb
bfff
ffff
Description:
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.
Words:
1
1
(2)
Cycles:
Example
HERE
FALSE
TRUE
BTFSC
GOTO
REG1
PROCESS_CODE
Before Instruction
PC = address
HERE
After Instruction
if REG<1> = 0,
PC = address
TRUE
if REG<1>=1,
PC = address
FALSE
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PIC16F874 Enhanced FLASH/EEPROM 8-Bit Microcontroller With A/D Module(驅(qū)動(dòng)/吸收電流高,工作電壓2.5~5.5V,微控制器)
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