W742S81A Datasheet, PDF(46/47 Page) Winbond – 4 BIT MICROCONTROLLER

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W742S81A Datasheet, PDF (46/47 Pages) Winbond – 4 BIT MICROCONTROLLER

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W742S81A

Instruction set, continued

Machine code

LCD

1001 1000 0xxx xxxx

1001 1000 1xxx xxxx

1001 1010 0xxx xxxx

1001 1011 0xxx xxxx

0000 0010 0000 0000

0000 0010 1000 0000

MFP

0011 0110 0000 000i

1000 1010 0xxx xxxx

1000 1011 0xxx xxxx

0001 0010 i i i i i i i i

Timer

1010 1010 0xxx xxxx

1010 1010 1xxx xxxx

1010 1011 0xxx xxxx

1010 1011 1xxx xxxx

0001 0011 1000 i00i

0001 0011 0000 iiii

Other

0000 0000 1000 0000

0000 0000 1100 0000

0000 0000 0000 0000

0101 0000 1100 0000

0101 0000 1000 0000

Subroutine

0110 0aaa aaaa aaaa

Mnemonic

MOV

MOV

MOV

MOV

LCDON

LCDOFF

LPL, R

LPH, R

@LP, R

R, @LP

MOV

MOV

MOV

MOV

BUZCR, #I

BUZCR, R

R,BUZCR

MFP, #I

MOV

MOV

MOV

MOV

MOV

MOV

TM0L, R

TM0H, R

TM1L, R

TM1H, R

MR0,#I

MR1,#I

HOLD

STOP

NOP

EN

INT

DIS

INT

CALL

L

0000 0001 iiii iiii

RTN

#I

Function

LPLâ(R)

LPHâ(R)

[(LPH)Ã10H+(LPL)]â(R)

Râ[(LPH) Ã10H+(LPL)]

LCD ON

LCD OFF

BUZCRâ I

BUZCRâ(R)

Râ(BUZCR)

[MFP]â I

TM0Lâ(R)

TM0Hâ(R)

TM1Lâ(R)

TM1Hâ(R)

MR0â(R)

MR1â(R)

Flag affected

Enter Hold mode

Enter Stop mode

No operation

Enable interrupt function

Disable interrupt function

Push Stack:

STACK <- PC+1,TAB0,TAB1,TAB2,TAB3,

DBKR,WRP,ROMPR,PAGE,ACC,CF;

PC12~PC0<- (ROMPR)x800H+L10~L0

(PC) <- STACK;Pop other register by I Table

setting(Refer to Table 8)

W/C

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

1/1

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