SIM18 EVB kit User Guide
3.2 Detailed description of SIM18-EVB
The chapter introduces the functions of each component.
Figure 3: SIM18-EVB componts function
Note: The SIM18 with “S6103601” is SIM18-Z01, please see chapter 2.2 of “SIM18 HD
V1.00” for information of SIM18-Z01
A: USB interface, support USB communication with SIM18, and also power the SIM18-EVB.
B: RESET button, pressed to control SIM18-Z01 going into sleep mode.
C: ON_OFF button, pressed to wakeup SIM18-Z01 from sleep mode.
D: S301, select either USB VBUS or DC_5V to be the power source of SIM18-EVB.
E: DC_5V power adapter interface.
F: S302, select power source for either VCC_3V or VCC_RF_1V8 active antenna. When a passive
antenna is connected to RF interface, S302 must be unsoldered.
L: RF interface, can connect to active or passive antenna, as well as the GPS test equipment.
I: S101, select either VCC_3V or VCC_1V8 power source for the level shift chip.
SIM18_EVB kit_User Guide_V1.01
2010.11.16
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