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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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FS91M68 датащи(PDF) 21 Page - Fortune Semiconductor Corp. |
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FS91M68 датащи(HTML) 21 Page - Fortune Semiconductor Corp. |
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21 / 24 page  FS91M68 MOVFW Move f to W Syntax: MOVFW f 0 ≤ f ≤ FFh Operation: [W] ← [f] Flag Affected: None Description: Move data from [f] to the W register. Cycle: 1 Example: MOVFW OPERAND Before instruction: W = 88h, OPERAND = 23h After instruction: W = 23h, OPERAND = 23h MOVLW Move literal to W Syntax: MOVLW k 0 ≤ k ≤ FFh Operation: [W] ← k Flag Affected: None Description: Move the eight-bit literal "k" to the content of the W register. Cycle: 1 Example: MOVLW 23H Before instruction: W = 88h After instruction: W = 23h MOVWF Move W to f Syntax: MOVWF f 0 ≤ f ≤ FFh Operation: [f] ← [W] Flag Affected: None Description: Move data from the W register to [f]. Cycle: 1 Example: MOVWF OPERAND Before instruction: W = 88h, OPERAND = 23h After instruction: W = 88h, OPERAND = 88h NOP No Operation Syntax: NOP Operation: No Operation Flag Affected: None Description: No operation. NOP is used for one instruction cycle delay. Cycle: 1 RETFIE Return from Interrupt Syntax: RETFIE Operation: [Top Stack] => PC Pop Stack 1 => GIE Flag Affected: None Description: The program counter is loaded from the top stack, then pop stack. Setting the GIE bit enables interrupts. Cycle: 2 Example: RETFIE After instruction: PC = [Top Stack] GIE = 1 RETLW Return and move literal to W Syntax: RETLW k 0 ≤ k ≤ FFh Operation: [W] ← k [Top Stack] => PC Pop Stack Flag Affected: None Description: Move the eight-bit literal "k" to the content of the W register. The program counter is loaded from the top stack, then pop stack. Cycle: 2 Example: CALL TABLE : TABLE ADDWF PC RETLW k0 RETLW k1 : RETLW kn Before instruction: WREG = 0x07 After instruction: WREG = value of k7 Return Return from Subroutine Syntax: RETURN Operation: [Top Stack] => PC Pop Stack Flag Affected: None Description: The program counter is loaded from the top stack, then pop stack. Cycle: 2 Example: Return After instruction: PC = [Top Stack] Rev. 1.3 21/24 |
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