PIC16LC924-08/CL 데이터 시트보기 (PDF) - Microchip Technology

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PIC16LC924-08/CL

8-Bit CMOS Microcontroller with LCD Driver

Microchip Technology 

15.1 Instruction Descriptions

ADDLW

Add Literal and W

Syntax:

[label] ADDLW k

Operands:

0 ≤ k ≤ 255

Operation:

(W) + k → (W)

Status Affected: C, DC, Z

Encoding:

11 111x

kkkk

kkkk

Description:

The contents of the W register are

added to the eight bit literal 'k' and the

result is placed in the W register.

Words:

1

Cycles:

1

Q Cycle Activity:

Q1

Q2 Q3

Q4

Decode Read Process Write to

literal 'k' data

W

Example:

ADDLW 0x15

Before Instruction

W = 0x10

After Instruction

W = 0x25

PIC16C9XX

ADDWF

Add W and f

Syntax:

[label] ADDWF f,d

Operands:

0 ≤ f ≤ 127

d ∈ [0,1]

Operation:

(W) + (f) → (destination)

Status Affected: C, DC, Z

Encoding:

00 0111 dfff ffff

Description:

Add the contents of the W register with

register 'f'. If 'd' is 0 the result is stored

in the W register. If 'd' is 1 the result is

stored back in register 'f'.

Words:

1

Cycles:

1

Q Cycle Activity:

Q1

Q2 Q3

Q4

Decode

Read

register

'f'

Process Write to

data destination

Example

ADDWF FSR, 0

Before Instruction

W = 0x17

FSR = 0xC2

After Instruction

W = 0xD9

FSR = 0xC2

© 1997 Microchip Technology Inc.

DS30444E - page 121

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