PIC16CE625 Datasheet

IC型号：
PIC16CE625
PDF描述：
OTP 8-Bit CMOS MCU with EEPROM Data Memory
文件大小：
1208.41KB
PDF页数：
113页
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108

PIC16CE62X

CLRWDT

Syntax:

Operands:

Operation:

Clear Watchdog Timer

[

label

] CLRWDT

None

00h

鈫?/div>

WDT

鈫?/div>

WDT prescaler,

鈫?/div>

TO, PD

0000

0110

0100

CLRWDT

instruction resets the

Watchdog Timer. It also resets the

prescaler of the WDT. Status bits TO

and PD are set.

DECF

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Decrement f

[

label

] DECF f,d

鈮?/div>

127

鈭?/div>

[0,1]

(f) - 1

鈫?/div>

(dest)

0011

dfff

ffff

Decrement 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'

Status Affected:

Encoding:

Description:

Words:

Cycles:

Example

DECF

CNT, 1

CNT

0x01

0x00

Words:

Cycles:

Example

CLRWDT

Before Instruction

WDT counter =

0x00

After Instruction

CNT

After Instruction

WDT counter =

WDT prescaler=

COMF

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Complement f

[

label

] COMF

鈮?/div>

127

鈭?/div>

[0,1]

(f)

鈫?/div>

(dest)

1001

dfff

ffff

The contents of register 'f' are

complemented. If 'd' is 0 the result is

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

stored back in register 'f'.

DECFSZ

f,d

Syntax:

Operands:

Operation:

Status Affected:

Encoding:

Description:

Decrement f, Skip if 0

[

label

] DECFSZ f,d

鈮?/div>

127

鈭?/div>

[0,1]

(f) - 1

鈫?/div>

(dest);

None

1011

dfff

ffff

The contents of register 'f' are

decremented. If 'd' is 0 the result is

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

result is placed back in register 'f'.

If the result is 0, the next instruction,

which is already fetched, is discarded. A

NOP is executed instead making it a

two-cycle instruction.

skip if result = 0

Words:

Cycles:

Example

COMF

REG1,0

REG1

0x13

0xEC

Words:

Cycles:

Example

1(2)

DECFSZ

GOTO

CONTINUE 鈥?/div>

鈥?/div>

HERE

CNT, 1

LOOP

Before Instruction

After Instruction

REG1

Before Instruction

address

HERE

CNT - 1

address

CONTINUE

address

HERE+1

After Instruction

CNT

if CNT

鈮?/div>

DS40182A-page 70

Preliminary

漏

1998 Microchip Technology Inc.

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