Hardware related commands, 1 at+cclk real time clock, Tc63 at command set – Siemens TC63 User Manual
Page 436

TC63 AT Command Set
19. Hardware related Commands
s
TC63_ATC_V00.490
Page 436 of 501
5/24/05
Confidential / Draft - Do not copy
19.
Hardware related Commands
The AT Commands described in this chapter are related to the TC63's hardware interface. More information
regarding this interface is available with the "TC63 Hardware Interface Description"
19.1
AT+CCLK Real Time Clock
Syntax
Parameter Description
Format is "yy/mm/dd,hh:mm:ss", where the characters indicate the two last digits of the year, followed by month,
day, hour, minutes, seconds; for example 6th of July 2005, 22:10:00 hours equals to "05/07/06,22:10:00"
Factory default is "02/01/01,00:00:00"
Notes
•
is retained if the device enters the Power Down mode via
•
will be reset to its factory default if power is totally disconnected. In this case, the clock starts with
= "02/01/01,00:00:00" upon next power-up.
• Each time TC63 is restarted it takes 2s to re-initialize the RTC and to update the current time. Therefore, it is
recommended to wait 2s before using the commands
(for example 2s after
^SYSSTART has been output).
Test Command
AT+CCLK=?
Response(s)
OK
Read Command
AT+CCLK?
Response(s)
OK
Write Command
AT+CCLK=
Response(s)
+CME ERROR:
ERROR
OK
Reference(s)
PIN
ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge
4
Last
GSM 07.07
!
%
%
%
%
%
%
%
%
!
(str)