PCF5001H 查看數據表（PDF） - Philips Electronics

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PCF5001H

POCSAG Paging Decoder

Philips Electronics 

Philips Semiconductors

POCSAG Paging Decoder

Product specification

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.

START OF TRANSFER

address word

OL

A0 A1 A2 A3 A4 A5 A6 A7

1st message word

MESSAGE TRANSFER

message word N–1

OL

message word N

message word N 1

Mn0 Mn1 Mn2 Mn3 Mn4 Mn5 Mn6 Mn7

END OF TRANSFER

last message word

OL

termination word

T0 T1 T2 T3 T4 T5 T6 T7

MEA255 - 1

Fig.16 Call data transfer on the LED output.

1997 Mar 04

20

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