HT9480(1998) データシートの表示（PDF） - Holtek Semiconductor
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HT9480 Datasheet PDF : 57 Pages
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Numeric format to ASCII conversion:
4-bit block
Character
msb
lsb
msb
0
0
0
0
“0”
0
1
0
0
0
1
“1”
0
1
0
0
1
0
“2”
0
1
0
0
1
1
“3”
0
1
0
1
0
0
“4”
0
1
0
1
0
1
“5”
0
1
0
1
1
0
“6”
0
1
0
1
1
1
“7”
0
1
1
0
0
0
“8”
0
1
1
0
0
1
“9”
0
1
1
0
1
0
“*”
0
1
1
0
1
1
“U”
1
0
1
1
0
0
“”
0
1
1
1
0
1
“-”
0
1
1
1
1
0
“]”
1
0
1
1
1
1
“[”
1
0
7-bit block
1
0
0
1
0
0
1
0
0
1
0
0
1
0
1
1
0
1
1
0
1
1
0
1
1
1
0
1
1
0
0
1
0
1
0
1
0
0
0
0
1
1
1
1
1
1
1
0
HT9480
lsb
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
0
0
0
1
1
0
0
1
0
0
0
1
0
1
1
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. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Bit
0111110011010010
Bit No. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Bit
0001010111011000
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. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Bit
0111101010001001
Bit No. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Bit
1100000110010111
30
23th Feb ’98
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