參數(shù)資料
型號: PCF5001
廠商: NXP Semiconductors N.V.
英文描述: POCSAG Paging Decoder
中文描述: 尋呼POCSAG碼解碼器
文件頁數(shù): 20/44頁
文件大小: 273K
代理商: PCF5001
1997 Mar 04
20
Philips Semiconductors
Product specification
POCSAG Paging Decoder
PCF5001
7.14
Call Data output on LED
When enabled by programming of SPF17 = 1, message
data will appear on the LED output OL. The data format
and timing are equal to the signal on DO, except that the
start/stop conditions are replaced with start/stop bits
(respectively 1 and 0). The data format is shown in Fig.16.
No alert signals will appear on OL during message data
transfer. Consecutive message words have a minimum
separation of 1 start bit and 1 stop bit.
Fig.16 Call data transfer on the LED output.
MEA255 - 1
1st message word
address word
OL
START OF TRANSFER
A0
A1
A2
A3
A4
A5
A6
A7
message word N
message word N–1
MESSAGE TRANSFER
Mn0 Mn1 Mn2 Mn3 Mn4 Mn5 Mn6 Mn7
termination word
last message word
END OF TRANSFER
T0
T1
T2
T3
T4
T5
T6
T7
s
s
s
s
s
s
s
s
s
s
message word N 1
OL
OL
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