參數(shù)資料
型號: PCD5003H
廠商: NXP SEMICONDUCTORS
元件分類: 尋呼電路
英文描述: Advanced POCSAG Paging Decoder
中文描述: TELECOM, PAGING DECODER, PQFP32
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, SOT-358-1, LQFP-32
文件頁數(shù): 20/44頁
文件大?。?/td> 187K
代理商: PCD5003H
1997 Jun 24
20
Philips Semiconductors
Product specification
Advanced POCSAG Paging Decoder
PCD5003
Table 18
Alert set-up register (04H; write)
Note
1.
Bits D7 and D6 correspond to function bits 20 and 21 respectively in the address codeword, which designate the
POCSAG call type as shown in Table 1.
BIT (MSB: D7)
VALUE
DESCRIPTION
D0
0
1
0
1
0
1
1
1
1
call alert via cadence register
POCSAG call alert (pattern selected by D7, D6)
LOW level acoustic alert (ATL), pulsed vibrator alert (25 Hz)
HIGH level acoustic alert (ATL + ATH), continuous vibrator alert
normal alerts (acoustic and LED)
warbled alerts: 16 Hz (LED: on/off, ATL/ATH: alternate f
AWH
, f
AWL
)
acoustic alerts enable (ATL, ATH)
vibrator alert enabled (VIB)
LED alert enabled (LED)
POCSAG alert pattern FC = 00, see Fig.8(a)
POCSAG alert pattern FC = 01, see Fig.8(b)
POCSAG alert pattern FC = 10, see Fig.8(c)
POCSAG alert pattern FC = 11, see Fig.8(d)
D1
D2
D3
D4
D5
D7 and D6
(1)
0 0
0 1
1 0
1 1
Fig.8 POCSAG alert patterns.
handbook, full pagewidth
MLC251
(a)
(b)
(c)
(d)
D7, D6
0 1
1 0
1 1
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