SYNPWM datasheet(44/57 Pages) FEELING

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FM8P73B

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

Rev1.0 Nov 20, 2013

P.44/FM8P73B

FEELING

TECHNOLOGY

SUBAR

Subtract ACC from R

Syntax:

SUBAR R, d

Operands:

 R  0x6F

[0,1]

Operation:

R - ACC  dest

Status Affected:

C, DC, Z

Description:

Subtract (2’s complement method) the ACC register from 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:

SWAPR

Swap nibbles in R

Syntax:

SWAPR R, d

Operands:

 R  0x6F

[0,1]

Operation:

R<3:0>  dest<7:4>;

R<7:4>  dest<3:0>

Status Affected:

None

Description:

The upper and lower nibbles of register ‘R’ are exchanged. If ‘d’ is 0 the result is placed in

ACC register. If ‘d’ is 1 the result in placed in register ‘R’.

Cycles:

XORAR

Exclusive OR ACC with R

Syntax:

XORAR R, d

Operands:

 R  0x6F

d [0,1]

Operation:

ACC xor R  dest

Status Affected:

Description:

Exclusive OR the contents of the ACC register with 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:

XORIA

Exclusive OR Immediate with ACC

Syntax:

XORIA I

Operands:

 I  0xFF

Operation:

ACC xor I  ACC

Status Affected:

Description:

The contents of the ACC register are XOR’ed with the 8-bit immediate ‘I’. The result is

placed in the ACC register.

Cycles:

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