Specifications

XT55 Hardware Interface Description
Confidential / Preliminary
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XT55_hd_v00.02 Page 51 of 116 17.03.2004
GSM_RTS1 can be used to temporarily wake up XT55 for the time specified with the
AT^SCFG command (default = 2s).
2)
Recommendation: In NON-CYCLIC SLEEP mode, you can set an RTC alarm to wake
up XT55 and return to full functionality. This is a useful approach because, in this
mode, the AT interface is not accessible.