NeoClock
page 17
APPENDIX D
TABLE 3 (ASCII OUTPUT)
Byte
#
ASCII
Codes
Meaning
Hex Code
1-3
FIA
or
DCF
FIA: indicates a France Inter Allouis antenna
system
DCF:
indicates a DCF77 antenna system
46, 49,41h
or
44,43,46h
4
Sp
Space
32H
5-12
xx/xx/xx
Day/Month/Year*
13
-
Indent
2Dh
14-24
xx:xx:xx:xx
Hours:Minutes:Secondes:hundred of seconds
25
-
Indent
2Dh
26-27
xx
Weekday
28
-
Indent
2Dh
29
C or A
C : indicates CMOS clock data
A : indicates radio clock data
43h or 41h
30
S or W
S : indicates Summer *
W : indicates Winter *
53h or 57h
31
X or I
X: indicates that the autonomous quartz clock
of NeoClock was not synchronised yet with the
atomic clock since it's been powered.
I: indicates that the autonomous quartz clock of
NeoClock has already been synchronised with
the atomic clock since it was powered.
58h or 49h
32
-
Indent
2Dh
33-34
xx
Number of minutes (hex.) of good reception of
antenna 1 (DCF77 et France Inter)
xxh
35
-
Indent
2Dh
36-37
xx
Number of minutes (hex.) of good reception of
antenna 2 (DCF77)
38
CR
Carriage return
0Dh
39
LF
Line Feed
0Ah
* Daylight saving evaluation:
No CMOS clock can manage the date of daylight saving. So, be careful
with the evaluation of the daylight saving information transmitted by
NeoClock as long as the time data transmitted by the system are coming
from the autonomous quartz clock of NeoClock.