參數(shù)資料
型號: TB1328FG
廠商: Toshiba Corporation
元件分類: 通用總線功能
英文描述: Audio SW, Video SW, Sync Separation and H/V Frequency Counter IC for TVs
中文描述: 音頻開關,視頻開關,同步分離和H / V頻率計數(shù)器集成電路電視
文件頁數(shù): 25/47頁
文件大小: 817K
代理商: TB1328FG
TB1328FG
2006-11-13
25
H Freq detection
Counts the horizontal frequency of an input selected by SYNC SW.
When for SYNC-IN;
00000001: No input 11111111: over 85kHz
When for HD/VD-IN;
00000000: No input 11111111: over 85kHz
To calculate the horizontal frequency (Y) ;
Convert data read from H FREQ DET into decimal value and call it X.
Horizontal frequency (Y)
=
1
÷
(0.003
÷
X) [Hz]
The error range of X is
1 to
+
1.
BIN
DEC
HEX
Freqency[kHz] Freqency[kHz]
Sync IN
-
No Input
HD/VD IN
No Input
0
1
0
1
0
1
0.33
10~101100
101101
101110
101111
45
46
47
2D
2E
2F
15.00
15.33
15.67
15.00
15.33
15.67
110000~1010011
1010100
1010101
1010110
84
85
86
54
55
56
28.00
28.33
28.67
28.00
28.33
28.67
1010111~1011100
1011101
1011110
1011111
1100000
1100001
1100010
1100011
1100100
1100101
93
94
95
96
97
98
99
100
101
5D
5E
5F
60
61
62
63
64
65
31.00
31.33
31.67
32.00
32.33
32.67
33.00
33.33
33.67
31.00
31.33
31.67
32.00
32.33
32.67
33.00
33.33
33.67
1100110~1101110
1101111
1110000
1110001
1110010
1110011
111
112
113
114
115
6F
70
71
72
73
37.00
37.33
37.67
38.00
38.33
37.00
37.33
37.67
38.00
38.33
1110100~10000100
BIN
DEC
HEX
Freqency[kHz] Freqency[kHz]
Sync IN
44.33
44.67
45.00
45.33
45.67
HD/VD IN
10000101
10000110
10000111
10001000
10001001
133
134
135
136
137
85
86
87
88
89
44.33
44.67
45.00
45.33
45.67
10001010~10100101
10100110
10100111
10101000
10101001
10101010
166
167
168
169
170
A6
A7
A8
A9
AA
55.33
55.67
56.00
56.33
56.67
55.33
55.67
56.00
56.33
56.67
10101011~10111101
10111110
10111111
11000000
11000001
11000010
190
191
192
193
194
BE
BF
C0
C1
C2
63.33
63.67
64.00
64.33
64.67
63.33
63.67
64.00
64.33
64.67
11000011~11011110
11011111
11100000
11100001
11100010
11100011
223
224
225
226
227
DF
E0
E1
E2
E3
74.33
74.67
75.00
75.33
75.67
74.33
74.67
75.00
75.33
75.67
11100100~11111110
11111111
255
FF
Over 85
Over 85
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