HMS81C4460 데이터 시트보기 (PDF) - Hynix Semiconductor

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HMS81C4460

8-BIT SINGLE-CHIP MICROCONTROLLERS

Hynix Semiconductor 

Example: The usage software example of Vector address and the initialize part.

ORG

0FFE0H

DW

I2C_INT

DW

NOT_USED

DW

BIT_INT

DW

WDT_INT

DW

IR_INT

DW

TIMER3

DW

TIMER1

DW

VSYNC_INT

DW

SLICE_INT

DW

T2_INT

DW

T0_INT

DW

EXT2_INT

DW

EXT1_INT

DW

OSD_INT

DW

NOT_USED

DW

RESET

ORG

0F000H

;********************************************

;

MAIN

PROGRAM

*

;********************************************

;

RESET: DI

;Disable All Interrupts

CLRG

LDX

#0

RAM_CLR: LDA

#0

;RAM Clear(!0000H->!00BFH)

STA

{X}+

CMPX #0C0H

BNE

RAM_CLR

;

LDX

#0FFH

;Stack Pointer Initialize

TXSP

;

LDM

PLLC,#0000_0101b

;16MHz system clock

;

LDM

R0, #0FFh

;Normal Port 0

LDM

R0DIR,#0FFh

;Normal Port Direction

:

:

LDM

TM0,#0000_0000B

;timer stop

:

:

CALL VRAM_CLR

;Clear VRAM

:

:

HMS81C4x60

November 2001 Ver 1.1

25

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