參數(shù)資料
型號(hào)： 16F872
廠商： Microchip Technology Inc.
英文描述： CAT 5E CROSSOVER PATCH CORD CABLE GREEN 10 FT
中文描述： 28引腳，8位閃存微控制器的CMOS
文件頁數(shù)： 114/160頁
文件大?。?/td> 2600K
代理商： 16F872
PIC16F872
DS30221A-page 114
Preliminary
1999 Microchip Technology Inc.
BTFSS
Syntax:
Operands:
Bit Test f, Skip if Set
[label BTFSS f,b
0
≤
f
≤
127
0
≤
b < 7
skip if (f<b>) = 1
None
If bit ’b’ in register ’f’ is ’0’, the next
instruction is executed.
If bit ’b’ is ’1’, then the next instruc-
tion is discarded and a
NOP
is exe-
cuted instead making this a 2T
CY
instruction.
Operation:
Status Affected:
Description:
BTFSC
Syntax:
Operands:
Bit Test, Skip if Clear
[label BTFSC f,b
0
≤
f
≤
127
0
≤
b
≤
7
skip if (f<b>) = 0
None
If bit ’b’ in register ’f’ is ’1’, the next
instruction is executed.
If bit ’b’, in register ’f’, is ’0’, the
next instruction is discarded, and
a
NOP
is executed instead, making
this a 2T
CY
instruction.
Operation:
Status Affected:
Description:
CALL
Syntax:
Operands:
Operation:
Call Subroutine
[ label CALL k
0
≤
k
≤
2047
(PC)+ 1
→
TOS,
k
→
PC<10:0>,
(PCLATH<4:3>)
→
PC<12:11>
None
Call Subroutine. First, return
address (PC+1) is pushed onto
the stack. The eleven bit immedi-
ate address is loaded into PC bits
<10:0>. The upper bits of the PC
are loaded from PCLATH.
CALL
is
a two cycle instruction.
Status Affected:
Description:
CLRF
Syntax:
Operands:
Operation:
Clear f
[label CLRF f
0
≤
f
≤
127
00h
→
(f)
1
→
Z
Z
The contents of register ’f’ are
cleared and the Z bit is set.
Status Affected:
Description:
CLRW
Syntax:
Operands:
Operation:
Clear W
[ label CLRW
None
00h
→
(W)
1
→
Z
Z
W register is cleared. Zero bit (Z)
is set.
Status Affected:
Description:
CLRWDT
Syntax:
Operands:
Operation:
Clear Watchdog Timer
[ label CLRWDT
None
00h
→
WDT
0
→
WDT prescaler,
1
→
TO
1
→
PD
TO, PD
CLRWDT
instruction resets the
Watchdog Timer. It also resets
the prescaler of the WDT. Status
bits TO and PD are set.
Status Affected:
Description:
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