HT1330
Operational FlowChart
N o te :
S 1 /S 2 : tw o
S 1 /S 2 /S 3 :
S 3 > 5 s : S 3
S 1 , S 2 , S 3
# : R e p re s e
*: R e p re s e
P o w e r o n
k e y p re s s e d s
th re e k e y p re s
k e y is p r e s s e d
: th e k e y is p r e
n ts 2 H z fla s h
n ts 1 H z fla s h
y n
s e
m
s s
d o n tim e
o re th a n 5 s
e d
c h
1 8 :8 8
* 0 :0 0
R e a l tim e
s e ttin g
S 3 > 5 s
N O
* 1 2 :5 9
P ie z o s o u n d s 2 s e c o n d s fo r a la r m
A ll s e g m e n t o n fo r L C D te s t
te s t
A fte r 2 s e c o n d
S 1 to a d ju s t h o u r - d ig it
S 2 to a d ju s t m in u te - d ig it
Y E S
R e a l tim e p la y in g m o d e
A
Y E S
S 3
S 1 /S 2
N O
E n te r th e c o u n te r M o d e
A la r m
Y E S
N O
C o u n t_ d o w n M o d e
C o u n t_ d o w n
tim e s e ttin g
S 3
# 1 9 :5 9
C o u n t_ d o w n tim e p la y in g
Y E S
A la r m
b ib i
S 1 to a d ju s t h o u t- d ig it
S 2 to a d ju s t m in u te - d ig it
O P
B o n d e d
o p tio n
te s t
0 :0 0
B
C o u n t_ u p M o d e
Y E S
S 1 /S 2
S 3
0 :0 1
C o u n t-u p
p la y in g
S 2
S 2 to s h o w th e
c o u n t n u m b e r
N O
S 1 , S 3 ,
S 1 /S 2 , S 1 /S 2 /
S 3
N O
0 :0 0
N O
A n y k e y to
p re s s
Y E S
S 1 /S 2 to B
S 1 /S 2 /S 3 to A
S 1 to d is p la y
th e r e a l tim e
S 3 fo r s ta rt/
s to p c o u n te r
6
August 10, 2000
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
