Table 12-7. String-A Content Specification
Placeholder
Content
<SOH>
Start of heading (HEX 01)
ddd
Day of year: range "001"-"366" ASCII
:
HEX 3A (colon)
hh
Hour: "00"-"23" ASCII
mm
Minute: "00"-"59" ASCII
ss
Second: "00"-"59" ASCII
yy
Year: "00"-"99" representing the last two digits of the year
<CR>
Carriage return (HEX 0D)
<LF>
Line feed (HEX 0A)
Example:
<SOH>112:12:34:36:10<CR><LF>
Day 112, time 12:34:36, year 2010
String-B Time Code
This code substitutes a "Quality" indicator byte for the year field, but otherwise is identical in form, function and timing
to String-A.
Transmitted once every second. The leading edge of the "start" bit of the first character <SOH> is exactly on the
second that the message describes.
Default settings: 9600bps, 8-bit ASCII, no parity.
Definition:
<SOH>DDD:hh:mm:ssQ<CR><LF>
Table 12-8. String-B Content Specification
Placeholder
Content
<SOH>
Start of heading (HEX 01)
ddd
Day of year: range "001"-"366" ASCII
:
HEX 3A (colon)
hh
Hour: "00"-"23" ASCII
mm
Minute: "00"-"59" ASCII
ss
Second: "00"-"59" ASCII
Appendix A: Specifications
©
2022 Microchip Technology Inc.
and its subsidiaries
Manual
DS00004572A-page 241
