Example:
<STX>E3123456170410<LF><CR><ETX>
Synced high accuracy, DST, no announcement, Wednesday, time 12:34:56, date 17/04/2010
String-H Time Code
Transmitted once every second. The leading edge of the "start" bit of the first character <STX> is exactly on the
second that the message describes.
Default settings: 9600bps, 8-bit ASCII, no parity.
Definition:
<STX>D:dd.MM.yy;T:w;U:hh.mm.ss;uvxy<ETX>
Table 12-14. String-H Content Specification
Placeholder Content
<STX>
Start of text (HEX 02)
D
ASCII "D"
:
HEX 3A (colon)
dd
Day of month: "01"-"31" ASCII
.
HEX 2E (full stop)
MM
Month of year: "01"-"12" ASCII
yy
Year: "10"-"99" ASCII
;
HEX 3B (semicolon)
T
ASCII "T"
w
Day of week: "1"-"7", "1" = Monday ASCII
U
ASCII "U"
hh
Hour: "00"-"23" ASCII
mm
Minute: "00"-"59" ASCII
ss
Second: "00"-"59" ASCII
u
ASCII "#" (hash) if not synchronized since last reset, or space (HEX 20) if synchronized since last
reset
v
ASCII "*" (asterisk) if clock is running on local oscillator, or space (HEX 20) if clock is currently
synchronized
x
ASCII "U" if UTC time, or ASCII "S" if DST, or space (HEX 20) if standard time
y
ASCII "!" (exclamation) if DST change pending, or ASCII "A" if leap second pending, or space (HEX
20) otherwise
<ETX>
End of text (HEX 03)
Example:
<STX>D:17.04.10;T:6;U:12.34.56;#*S!<ETX>
17/04/2010, Saturday, 12:34:56, out of sync, DST, DST change pending
Appendix A: Specifications
©
2022 Microchip Technology Inc.
and its subsidiaries
Manual
DS00004572A-page 248
