參數(shù)資料
型號(hào): PIC16C715
廠商: Microchip Technology Inc.
英文描述: 8-Bit CMOS Microcontroller with A/D Converter(每個(gè)I/O口有25mA驅(qū)動(dòng)/吸收電流,微控制器)
中文描述: 8位CMOS微控制器與A / D轉(zhuǎn)換器(每個(gè)的I / O口有25毫安驅(qū)動(dòng)/吸收電流,微控制器)
文件頁數(shù): 70/120頁
文件大小: 764K
代理商: PIC16C715
PIC16C715
DS30560A-page 70
Advance Information
1996 Microchip Technology Inc.
NOP
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
No Operation
[ label NOP
None
No operation
None
00
0000
0xx0
0000
No operation.
1
1
NOP
OPTION
Syntax:
Operands:
Operation:
Status Affected: None
Encoding:
Description:
Load Option Register
[ label OPTION
None
(W)
OPTION
00
0000
0110
0010
The contents of the W register are
loaded in the OPTION register. This
instruction is supported for code com-
patibility with PIC16C5X products.
Since OPTION is a readable/writable
register, the user can directly address
it.
1
1
Words:
Cycles:
Example
To maintain upward compatibility
with future PIC16CXX products, do
not use this instruction.
RETFIE
Syntax:
Operands:
Operation:
Return from Interrupt
[ label RETFIE
None
TOS
PC,
1
GIE
None
Status Affected:
Encoding:
Description:
00
0000
0000
1001
Return from Interrupt. Stack is POPed
and Top of Stack (TOS) is loaded in
the PC. Interrupts are enabled by set-
ting Global Interrupt Enable bit, GIE
(INTCON<7>). This is a two cycle
instruction.
1
2
Words:
Cycles:
Example
RETFIE
After Interrupt
PC =
GIE =
TOS
1
RETLW
Syntax:
Operands:
Operation:
Return with Literal in W
[ label RETLW k
0
k
255
k
(W);
TOS
PC
None
Status Affected:
Encoding:
Description:
11
01xx
kkkk
kkkk
The W register is loaded with the eight
bit literal 'k'. The program counter is
loaded from the top of the stack (the
return address). This is a two cycle
instruction.
1
2
Words:
Cycles:
Example
TABLE
CALL TABLE
ADDWF PC
RETLW k1
RETLW k2
RETLW kn
Before Instruction
;W contains table
;offset value
;W now has table value
;W = offset
;Begin table
;
; End of table
W
=
0x07
After Instruction
W
=
value of k8
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PIC16C715-04/P 制造商:Microchip Technology Inc 功能描述:IC 8BIT CMOS MCU 16C715 DIP18
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