VIO power supplies and uses 19.2 MHz reference clock from the EM chip. The system has an SWP connection
to the SIM card for secure element purposes. The NFC secure element feature also requires a VSIM connection
from the host to the NFC engine.
Figure 38 NFC interface
MicroUSB
MicroUSB interface and charging
The phone has an interface for USB (Universal Serial Bus). USB is a differential serial bus that provides a wired
connectivity between a PC and peripheral devices, as in this case a mobile phone.
The phone supports USB 2.0 with High-Speed (480 Mbps).
Hot swap is supported, which means that USB devices may be plugged in and out at any time.
MicroUSB connector
This phone is provided with a specific connector for microUSB.
Figure 39 MicroUSB connector
RM-824; RM-825; RM-826
System Module
Page 6 – 16
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Issue 2
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