GMS82524 Datasheet, PDF (75/93 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

HYUNDAI MicroElectronics
B. SOFTWARE EXAMPLE
B.1 7-segment LED display
GMS82512/16/24
UP/DOWN S/W
CLEAR S/W
GND
5V
V_DD
TEST
5V
R20/INT0
R21/INT1
R00
330Ω × 7
a
LED Display
R01
b
R02
c
R03
R04
R05
R06
d
e
f
g
4.7kΩ
R23
2N2222
4.7kΩ
R22
2N2222
V_SS
GND ^{GMS82512/16/24}
;*****************************************************************************
; Title:
GMS82516 (GMS800 Series) Demonstration Program
*
; Company:
HYUNDAI Micro Electronics
*
; Contents:
Decimal Up/Down Counter
*
; Programmer:
HME MCU application team
*
;*****************************************************************************
;
;******** DEFINE I/O PORT & FUNCTION REGISTER ADDRESS *********
;
R0
EQU
0C0H
;port R0 register
R0DD
EQU
0C1H
;port R0 data I/O direction register
;
R2
EQU
0C4H
;port R2 register
R2DD
EQU
0C5H
;port R2 data I/O direction register
;
R3
EQU
0C6H
;port R3 register
R3DD
EQU
0C7H
;port R3 data I/O direction register
;
R4
EQU
0C8H
;port R4 register
R4DD
EQU
0C9H
;port R4 data I/O direction register
;
R5
EQU
0CAH
;port R5 register
R5DD
EQU
0CBH
;port R5 data I/O direction register
;
R6
EQU
0CCH
;port R6 register
R6DD
EQU
0CDH
;port R6 data I/O direction register
;
PMR4
EQU
0D0H
;port R4 mode register
EC0S
EQU
4,0D0H
;event counter 0 selection
INT3S
EQU
3,0D0H
;external int.3 selection
INT2S
EQU
2,0D0H
;external int.2 selection
INT1S
EQU
1,0D0H
;external int.1 selection
FEB. 2000 Ver 1.00
ii