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HT9480 Datasheet(PDF) 30 Page - Holtek Semiconductor Inc

Part # HT9480
Description  Pager Controller
PDF  57 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT9480 Datasheet(HTML) 30 Page - Holtek Semiconductor Inc

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Numeric format to ASCII conversion:
4-bit block
Character
7-bit block
msb
lsb
msb
lsb
0000
“0”
011000
0
0001
“1”
011000
1
0010
“2”
011001
0
0011
“3”
011001
1
0100
“4”
011010
0
0101
“5”
011010
1
0110
“6”
011011
0
0111
“7”
011011
1
1000
“8”
011100
0
1001
“9”
011100
1
1010
“*”
010101
0
1011
“U”
101010
1
1100
“ ”
010000
0
1101
“-”
010110
1
1110
“]”
101110
1
1111
“[”
101101
1
Synch word indication
The synch word recognized by HT9480 is the standard POCSAG synchronization code-word, as
shown in the following table.
Bit No.
01
23
45
6789
10
11
12
13
14
15
Bit
0
1
1
1
110011010010
Bit No.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Bit
0
0
0
1
010111011000
Idle word indication
The idle word recognized by the HT9480 is the standard POCSAG idle code-word, as shown in the
following table.
Bit No.
01
23
45
6789
10
11
12
13
14
15
Bit
0
1
1
1
101010001001
Bit No.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Bit
1
1
0
0
000110010111
HT9480
30
23th Feb ’98



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