Siemens MC55 User Manual download pdf (Page 429)

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101

MC55 AT Command Set

17.2 AT+CCLK

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MC55_ATC_V01.05 Page 429 of 469 2/10/04

Confidential / Released

17.2 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 May 2004, 22:10:00 hours equals to "04/05/06,22:10:00"

Factory default is "02/01/01,00:00:00"

Notes

• <time> is retained if the device enters the Power Down mode via AT^SMSO.

•

<time> will be reset to its factory default if power is totally disconnected. In this case, the clock starts with

<time>= "02/01/01,00:00:00" upon next power-up.

• Each time MC55 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

AT+CCLK and AT+CALA (for example 2s after

^SYSSTART has been output).

Test Command

AT+CCLK=?

Response(s)

Read Command

AT+CCLK?

Response(s)

+CCLK: <time>

Write Command

AT+CCLK=<time>

Response(s)

+CME ERROR: <err>

ERROR

PIN ASC0 ASC1 MUX1 MUX2 MUX3

! % % % % %

Reference(s)

GSM 07.07

<time>

(str)

1 ... 428 429 430 ... 469

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