參數(shù)資料
型號: PIC16C554-04E/P
廠商: Microchip Technology
文件頁數(shù): 63/108頁
文件大小: 0K
描述: IC MCU OTP 512X14 18DIP
標準包裝: 25
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
外圍設備: POR,WDT
輸入/輸出數(shù): 13
程序存儲器容量: 896B(512 x 14)
程序存儲器類型: OTP
RAM 容量: 80 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
振蕩器型: 外部
工作溫度: -40°C ~ 125°C
封裝/外殼: 18-DIP(0.300",7.62mm)
包裝: 管件
PIC16C55X
DS40143D-page 56
Preliminary
2002 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
FLAG_REG, 7
Before Instruction
FLAG_REG
=
0xC7
After Instruction
FLAG_REG
=
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
FLAG_REG,
7
Before Instruction
FLAG_REG
=
0x0A
After Instruction
FLAG_REG
=
0x8A
BTFSC
Bit Test, 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 dis-
carded, and a NOP is executed instead,
making this a two-cycle instruction.
Words:
1
Cycles:
1(2)
Example
HERE
FALSE
TRUE
BTFSC
GOTO
FLAG,1
PROCESS_CODE
Before Instruction
PC
=
address HERE
After Instruction
if FLAG<1> = 0,
PC
=
address TRUE
if FLAG<1> = 1,
PC
=
address FALSE
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