（Top View） |
| D |
C |
B |
A |
Display |
| L |
L |
L |
L |
0 |
| L |
L |
L |
H |
1 |
| L |
L |
H |
L |
2 |
| L |
L |
H |
H |
3 |
| L |
H |
L |
L |
4 |
| L |
H |
L |
H |
5 |
| L |
H |
H |
L |
6 |
| L |
H |
H |
H |
7 |
| H |
L |
L |
L |
8 |
| H |
L |
L |
H |
9 |
| H |
L |
H |
L |
A |
| H |
L |
H |
H |
- |
| H |
H |
L |
L |
C |
| H |
H |
L |
H |
Blank |
| H |
H |
H |
L |
E |
| H |
H |
H |
H |
F |
|
Vcc +5V
GND 0V
INPUT , OUTPUT
TTL Level
DP (Decimal point)
L=OFF , H=ON
/LS (Latch Strobe)
L=Input , H=Hold
/BL (Blanking Input)
L=Blanking , H=Display
/LT (LED Test)
L=Test , H=Normal |
