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B
OARD INTERFACES
5.1.2.1 Status in Data String Master-Slave
Status nibble:
Day of the week nibble:
5.1.2.2 Example of a transmitted Data String Master-Slave
(STX)831234560301968230(LF)(CR)(ETX)
radio-controlled, no announcement, standard time
It is Wednesday 03.01.96 - 12:34:56 hr.
The time difference to UTC is + 2.30 hr.
5.1.3 Programme Update
A programme update of the 7020 board is possible via the serial interface. For this function
there is a separate description.
7001GPS Satellite Clock System - V08.00
hopf Elektronik GmbH
Nottebohmstr. 41 • D-58511 Lüdenscheid • Tel.: +49 (0)2351 9386-86 • Fax: +49 (0)2351 9386-93 • Internet: http://www.hopf.com • E-Mail: info@hopf.com
b3 b2 b1 b0
Meaning
x
x
x
0
No announcement hour
x
x
x
1
Announcement (DST-ST-DST)
x
x
0
x
Standard time (ST)
x
x
1
x
Daylight saving time (DST)
x
0
x
x
No announcement leap second
x
1
x
x
Announcement leap second
0
x
x
x
Quartz mode
1
x
x
x
Radio-controlled mode
0
0
0
1
Monday
0
0
1
0
Tuesday
0
0
1
1
Wednesday
0
1
0
0
Thursday
0
1
0
1
Friday
0
1
1
0
Saturday
0
1
1
1
Sunday
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