Multi-Input Video Scaler Chapter 8 : PROGRAMMER'S GUIDE
PAGE 21
8-5. VALUES DESCRIPTION (continued)
ASCII
COMMAND
RESPONSE
TO HOST
COMMAND DESCRIPTION
VALUE
DESCRIPTION
Status commands
I
IFA
Status of the selected input.
0
1
2
3
4
5
6
7
8
9
10
11
NTSC (3.58/60 Hz).
PAL (4.43/50 Hz).
SECAM (50 Hz).
black and white 60 Hz.
black and white 50 Hz.
YUV 60 Hz.
YUV 50 Hz.
RGB.S 60 Hz.
RGB.S 50 Hz.
incompatible signal.
no input.
computer signal.
8-6.
ASCII / HEX / DEC TABLE
ASCII
HEX
DEC
ASCII
HEX
DEC
ASCII
HEX
DEC
space
20
32
@
40
64
`
60
96
!
21
33
A
41
65
a
61
97
"
22
34
B
42
66
b
62
98
#
23
35
C
43
67
c
63
99
$
24
36
D
44
68
d
64
100
%
25
37
E
45
69
e
65
101
&
26
38
F
46
70
f
66
102
’
27
39
G
47
71
g
67
103
(
28
40
H
48
72
h
68
104
)
29
41
I
49
73
i
69
105
*
2A
42
J
4A
74
j
6A
106
+
2B
43
K
4B
75
k
6B
107
,
2C
44
L
4C
76
l
6C
108
-
2D
45
M
4D
77
m
6D
109
.
2E
46
N
4E
78
n
6E
110
/
2 F
47
O
4 F
79
o
6 F
111
0
30
48
P
50
80
p
70
112
1
31
49
Q
51
81
q
71
113
2
32
50
R
52
82
r
72
114
3
33
51
S
53
83
s
73
115
4
34
52
T
54
84
t
74
116
5
35
53
U
55
85
u
75
117
6
36
54
V
56
86
v
76
118
7
37
55
W
57
87
w
77
119
8
38
56
X
58
88
x
78
120
9
39
57
Y
59
89
y
79
121
:
3A
58
Z
5A
90
z
7A
122
;
3B
59
[
5B
91
{
7B
123
<
3C
60
\
5C
92
|
7C
124
=
3D
61
]
5D
93
}
7D
125
>
3E
62
^
5E
94
~
7E
126
?
3F
63
_
5F
95
DEL
7F
127
