SYNPWM datasheet(42/57 Pages) FEELING

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FM8P73B

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

Rev1.0 Nov 20, 2013

P.42/FM8P73B

FEELING

TECHNOLOGY

MOVIA

Move Immediate to ACC

Syntax:

MOVIA I

Operands:

 I  0xFF

Operation:

I  ACC

Status Affected:

None

Description:

The 8-bit immediate ‘I’ is loaded into the ACC register. The don’t cares will assemble as 0s.

Cycles:

MOVR

Move R

Syntax:

MOVR R, d

Operands:

 R  0x6F

 [0,1]

Operation:

R  dest

Status Affected:

Description:

The contents of register ‘R’ is moved to destination ‘d’. If ‘d’ is 0, destination is the ACC

since status flag Z is affected.

Cycles:

NOP

No Operation

Syntax:

NOP

Operands:

None

Operation:

No operation

Status Affected:

None

Description:

No operation.

Cycles:

RETFIE

Return from Interrupt, Set ‘GIE’ Bit

Syntax:

RETFIE

Operands:

None

Operation:

Top of Stack  PC

1  GIE

Status Affected:

None

Description:

The program counter is loaded from the top of the stack (the return address). The ‘GIE’ bit

is set to 1. This is a two-cycle instruction.

Cycles:

RETIA

Return with Immediate in ACC

Syntax:

RETIA I

Operands:

 I  0xFF

Operation:

I  ACC;

Top of Stack  PC

Status Affected:

None

Description:

The ACC register is loaded with the 8-bit immediate ‘I’. The program counter is loaded from

the top of the stack (the return address). This is a two-cycle instruction.

Cycles:

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