Appendix A Watchdog Timer Demo Program 63
1. Set index 37h bit 6 = o to disable the timer.
2. Write the desired counter value to 3Bh, 3Ah, 39h.
3. Set index 37h bit 6 = 1 to enable the timer.
4. When counter reaches the setting value, the timer will
generate signal setting by index 38h bit [7:4]
Index 3Bh, 3Ah, 39H
Index 38h
h
B
3
h
A
3
h
9
3
0
D
.
.
.
.
.
.
7
D
0
D
.
.
.
.
.
.
7
D
0
D
.
.
.
.
.
.
7
D
r
e
t
n
u
o
c
MSB
LSB
]
4
:
7
[
D
l
a
n
g
i
s
t
u
o
e
e
m
i
t
0
0
0
0
d
v
r
e
s
e
R
1
0
0
0
3
Q
R
I
0
1
0
0
4
Q
R
I
1
1
0
0
5
Q
R
I
0
0
1
0
6
Q
R
I
1
0
1
0
7
Q
R
I
0
1
1
0
9
Q
R
I
1
1
1
0
0
1
Q
R
I
0
0
0
1
1
1
Q
R
I
1
0
0
1
2
1
Q
R
I
0
1
0
1
4
1
Q
R
I
1
1
0
1
5
1
Q
R
I
0
0
1
1
I
M
N
1
0
1
1
t
e
s
e
r
m
e
t
s
y
S
0
1
1
1
d
e
v
r
e
s
e
R
1
1
1
1
d
e
v
r
e
s
e
R
Содержание SBC-357
Страница 1: ...SBC 357 Half size All in one 386SX 40 CPU card...
Страница 8: ......
Страница 14: ...6 SBC 357 User Manual Card dimensions 19 00 80 645 121 00 98 50 73 66 28 80 185 00 19 60...
Страница 39: ...C H A P T E R 3 AMIBIOS Setup This chapter describes how to set the BIOS configuration data...
Страница 74: ...66 SBC 357 User Manual...