HMS87C1304A Datasheet, PDF (21/70 Pages) Hynix Semiconductor – CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

HYUNDAI MicroElectronics
HMS87C1304A/HMS87C1302A
Example: The usage software example of Vector address and the initialize part.
ORG 0FFE0H
DW
NOT_USED
DW
NOT_USED
DW
NOT_USED
DW
BIT_INT
DW
WDT_INT
DW
AD_INT
DW
NOT_USED
DW
NOT_USED
DW
NOT_USED
DW
NOT_USED
DW
TMR1_INT
DW
TMR0_INT
DW
INT1
DW
INT0
DW
NOT_USED
DW
RESET
; (0FFEO)
; (0FFE2)
; (0FFE4)
; (0FFE6) Basic Interval Timer
; (0FFE8) Watchdog Timer
; (0FFEA) A/D
; (0FFEC)
; (0FFEE)
; (0FFF0)
; (0FFF2)
; (0FFF4) Timer-1
; (0FFF6) Timer-0
; (0FFF8) Int.1
; (0FFFA) Int.0
; (0FFFC)
; (0FFFE) Reset
ORG 0F000H
;********************************************
;
MAIN
PROGRAM
*
;*******************************************
y _;
r RESET: DI
;Disable All Interrupts
LDX #0
a RAM_CLR: LDA #0
;RAM Clear(!0000H->!007FH)
STA {X}+
in ^{CMPX #080H}
BNE RAM_CLR
;
LDX #07FH
;Stack Pointer Initialize
TXSP
lim ^;
CALL INITIAL
;
;
LDM RA, #0
;Normal Port A
e _{LDM RAIO,#1000_0010B ;Normal Port Direction}
r _{LDM RB, #0}
;Normal Port B
LDM RBIO,#0000_0010B ;Normal Port Direction
P ^:
:
LDM PFDR,#0
;Enable Power Fail Detector
:
:
Jan. 2001
Preliminary
21