Taken from the PDF file the ONLY info relating to the data output pins:
Serial Output
This port can be used for connecting external units, like. digital displays.
Available information:
Actual year
Actual month
Actual day
Actual day of the week
Actual hour [12h]
Actual AM/PM
Actual minute
Actual second
The transmition always happens on the begining of every hour, at
HH:00.00,500 and takes 44 ms.
Additional transmitions will happen after „first receive“, „forced receive“ und „auto
receive“ and after any correction of the hands was necessary.
Specification Date: 09.03.2005
MSF RC_wallclockDO_Specification
2.7.1. Format of data
Nr. Describtion Format Numbers Explanation
1 daylow BCD 00 - 31 Lower byte of actual day
2 dayhigh BCD 00 - 31 High byte of actual day
3 dayofweek HEX 1 - 7 Day of the week, 1 = monday
4 month HEX 1 - 12 Actual month, 1 = January
5 yearlow HEX 00 - 63 Actual year, 14H = xx20
6 yearhigh HEX 00 - 63 Actual year, 14H = xx20
7 minutelow BCD 0 - 9 Actual minute, 0 - 9
8 minutehigh BCD 0 - 5 Actual minute, 10 -50, 0xxx = AM, 1xxx = PM
9 hour HEX 0 - 11 Actual hour
10 secondlow BCD 0 - 9 Actual second, 0 - 9
11 secondhigh BCD 0 - 5 Actual second, 10 -50
The transmition is serial, sychronized to a clock-frequency of 1 kHz. The clock frequency is
also available on the port.
Timing diagram:
clock pin … 1
data pin ... 2
First nibble Second nibble Third nibble Fourth nibble ...
daylow = 0101B =5 dayhigh = 0010H =2 dayofw. = 0011H =3 month = 1011H =11 ...
Beispiel: 25. Nov. Mittwoch
Example: Nov. 25th Wednesday