Figure 58 Clocking scheme
USB, SIM, MMC
USB
USB (Universal Serial Bus) provides a wired connectivity between a USB host PC and peripheral devices.
USB is a differential serial bus for USB devices. USB controller supports USB specification revision 2.0 with full
speed USB (12 Mbps). The device is connected to the USB host through the system connector. The USB bus is
hot plugged capable, which means that USB devices may be plugged in/out at any time.
SIM interface
The device has one SIM (Subscriber Identification Module) interface. It is only accessible if battery is removed.
The SIM interface consists of an internal interface between RAP and EM ASIC (N2200), and of an external
interface between N2200 and SIM contacts.
The SIM IF is shown in the following figure:
RM-123; RM-145
Nokia Customer Care System Module
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