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The purpose of this document is to provide technical recommendations for integrating a SIM card interface into a TC35 based customer application. Specifications are subject to change without notice. This product is an original Siemens product protected by US, European and other patents.
ZIF connector of the TC35 module. This pin serves to sense mechanically whether a card is inserted into the SIM card holder. The default level of this pin on TC35 is low (internal pull down resistor, no card inserted) and...
Application Note SIM Interface Schematic The following schematic is a sample configuration that illustrates how the SIM card holder of the DSB35 Support Box connects to the TC35 GSM engine. Note : • To ensure EMC compliance, only a maximum line length of 200 mm is permitted between the GSM engine and the SIM card holder.
= 20mA external C ≥ 200nF to CCGND required CCGND Ground (0V) Usage is mandatory. Do not connect CCGND to GND of the application. See Chapter 7.1 for recommendations. GSM Engine TC35 Released Application Note SIM Interface TC35-AN-01-V00.04 Version 03.00...
An example can be gathered from the figure below. Customer application TC35 CCGND CCGND SIM card reader CCGND Insulation Ground plane Figure 2: Connecting a separate ground for SIM interface GSM Engine TC35 Released Application Note SIM Interface TC35-AN-01-V00.04 Version 03.00...
Fax: +49(7066)9555 29 Fax: 630-969-1352 Email: mxgermany@molex.com URL: http://www.molex.com/ Far East North Headquarters Far East South Headquarters Yamato, Kanagawa, Japan Jurong, Singapore Phone:81-462-65-2324 Phone: 65-268-6868 Fax: 81-462-65-2366 Fax. 65-265-6044 GSM Engine TC35 Released Application Note SIM Interface TC35-AN-01-V00.04 Version 03.00...