1 Preface 1.1 Scope EVK-GT8230 is the developer board of Fibocom 3G module, it worked with corresponding adapter. This Manual describes the developer board EVK-GT8230, ensures the users can quickly and conveniently develop wireless communications using Fibocom Module. 1.2 Developer Board Structure...
GT8230 mainly includes the four parts:each functional interface, button, test point and power supply. The diagram as listed below: Figure 1-2 product diagram Note :the Reset button is only for Mini PCIe, for Adapter is useless. EVK-GT8230 User Manual Page 6 of 22...
Direct Power Supply: The power supply is connected directly to the module, so the voltage range must comply with the H330 Specifications. Power Connector Description DC Power Supply V40BAT(JP3) Voltage Range: 3.3 V ~ 4.2 V GND(JP2) Recommended Voltage: 4.0V Input Current: > 2.0A EVK-GT8230 User Manual Page 7 of 22...
Jumper on Pin 3: VDD33 connected with VSPK: power supplied by VDD33 Note: When you test the parameter of current, please unplug the above six jumpers. The tested current will be the current consumed by module only. EVK-GT8230 User Manual Page 8 of 22...
Developer board contains RS-232 Transceiver SP3238EEA inside. PC and other DTE equipment can test all the functions of the module through this interface and AT Commands. The following picture shows the connection of UART1: EVK-GT8230 User Manual Page 9 of 22...
PC. If it is connected successfully, the light will on. The following picture shows the connection of USB (UART1):USB Jumper Switch Description Turn on/off USB interface as communication interface EVK-GT8230 User Manual Page 10 of 22...
PC through switching cable (USB transfer to mini USB). If it is connected successfully, the light will on. The following picture shows the connection of High Speed USB: Jumper Switch Description for connecting to USB_ID Note:Install corresponding driver(driver for H330 module)when use USB interface. EVK-GT8230 User Manual Page 11 of 22...
JP7, otherwise, this port cannot be used. 2.6 SIM Card Interface Developer board includes a complete SIM card socket and interface circuit. The following picture shows the diagram: Figure 2-6 SIM Card Circuit EVK-GT8230 User Manual Page 12 of 22...
The handle socket JA1 on the developer board is the first channel audio interface. Jumper Switch Description JA6(5-6pin) On/off,connect to MIC+ of the headset On/off,connect to MIC- of the headset JA6(7-8pin) JA6(9-10pin) On/off, connect to EAR- of the headset EVK-GT8230 User Manual Page 13 of 22...
The speaker interface and handle socket are connected to the same audio interface of the module, therefore,these two interfaces cannot be used simultaneously. Jumper Switch Description JA8(1-2pin) On/off, connect to AUXO- of the speaker EVK-GT8230 User Manual Page 14 of 22...
4V switch to 3.3V connection Module output 1.8V to indicator JP7 (pin2-pin3) Supply 1.8V connection from power UART2 connection Power supply for LED indicator UART1 connection Audio connection JM11 (pin2-pin3) Power supply for CODEC inside the EVK-GT8230 User Manual Page 18 of 22...
The adapter is used to connect module and developer board together, here take H330 Adapter (ADP-H330) as an example. 3.2 Adapter Appearance The following figure shows ADP-H330. Figure 3-1 ADP-H330 Top View Figure 3-2 ADP-H330 Bottom View EVK-GT8230 User Manual Page 19 of 22...
On button, power on the module Button Off button, power off the module Button Reset button, reset the module (standard module is power off after reset) Test point JTAG test point, used for Debug EVK-GT8230 User Manual Page 20 of 22...
2. If you want to use USB to supply the power, please connect the jumpers in 3 and 4. Note: The load capacity of USB port must be 5V, 700mA or above, otherwise the module maybe abnormal. EVK-GT8230 User Manual Page 21 of 22...
Note: Please pay attention to the direction of Adapter to avoid damage. MINI PCI Installation: Figure 3-5 H330 Mini PCIe Installation Diagram Note: Before install Mini PCIe, please remove the J5 screw on the developer board, otherwise it cannot be installed. EVK-GT8230 User Manual Page 22 of 22...
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