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