SYNPWM datasheet(40/57 Pages) FEELING

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FM8P73B

Web site: http://www.feeling-tech.com.tw

Rev1.0 Nov 20, 2013

P.40/FM8P73B

FEELING

TECHNOLOGY

CLRWDT

Clear Watchdog Timer

Syntax:

CLRWDT

Operands:

None

Operation:

00h  WDT;

1  TO

̅̅̅̅;

1  PD

̅̅̅̅

Status Affected:

̅̅̅̅,PD

̅̅̅̅

Description:

The CLRWDT instruction resets the WDT. The status bitsTO

̅̅̅̅ and PD

̅̅̅̅ will be set.

Cycles:

COMR

Complement R

Syntax:

COMR R, d

Operands:

 R  0x6F

 [0,1]

Operation:

̅  dest

Status Affected:

Description:

The contents of register ‘R’ are complemented. If ‘d’ is 0 the result is stored in the ACC

Cycles:

DECR

Decrement R

Syntax:

DECR R, d

Operands:

 R  0x6F

 [0,1]

Operation:

R - 1  dest

Status Affected:

Description:

Decrement of register ‘R’. If ‘d’ is 0 the result is stored in the ACC register. If ‘d’ is 1 the

result is stored back in register ‘R’.

Cycles:

DECRSZ

Decrement R, Skip if 0

Syntax:

DECRSZ R, d

Operands:

 R  0x6F

 [0,1]

Operation:

R - 1  dest; skip if result =0

Status Affected:

None

Description:

The contents of register ‘R’ are decrement. If ‘d’ is 0 the result is placed in the ACC register.

If ‘d’ is 1 the result is stored back in register ’R’.

If the result is 0, the next instruction, which is already fetched, is discarded and a NOP is

executed instead and making it a two-cycle instruction.

Cycles:

1/2

GOTO

Unconditional Branch

Syntax:

GOTO I

Operands:

 I  0x3FF

Operation:

I  PC<9:0>

Status Affected:

None

Description:

GOTO is an unconditional branch. The 10-bit immediate value is loaded into PC bits <9:0>.

Cycles:

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