The front of ML307A-GSLN-OC development board
The back of ML307A-GSLN-OC development board
Introduction to the Development Board
The ML307A-GSLN-OC 4G is a Multi-Functional 4G development board,developed by using C/C++ languages.It can provide stable and good user experience with the ultra-low hardware configuration by running the OpenCPU operating system.It has outstanding performance in various fields, such as environmental monitoring,remote control, online upgrade, and various forms of smart hardware.
Development Board Functions
| Component numbering |
Description |
| 1 |
MIC Interface(Optional) |
| 2 |
SPK Interface(Optional) |
| 3 |
LCD Interface(Optional), Supports FTF screen resolution：320 * 240, using SPI mode driver. |
| 4 |
SIM Card Interface |
| 5 |
Reset Button |
| 6 |
CAMERA Interface (Optional, Only 8+8MB version support, currently adjusted GC032A, support 300,000-pixel). |
| 7 |
TF Interface |
| 8 |
PCM Interface(Optional) |
| 9 |
GPIOs2(GND、ADC0、PWM2、GND) |
| 10 |
Type-C Power Supply & Flash |
| 11 |
GND and LOADER bonding pads short-circuit for flashing |
| 12 |
GPIO Expansion Port |
| 13 |
GSM Antenna Connector (4G Antenna) |
| 14 |
DBG Serial Port |
| 15 |
UART1 Serial Port |
| 16 |
Communication Reference Voltage Input |
| 17 |
UART2 Serial Port |
| 18 |
VDD Input Voltage |
| 19 |
Network Status LED |
| 20 |
Power Status LED |
| 21 |
GPS Antenna Connector(GPS Outdoor Positioning Function) |
Development Board Configuration
| Project |
Model |
Remark |
| MCU |
ASR1606 |
|
| CPU |
624MHz Cortex-R5 |
|
| RAM |
3135KB |
|
| PSRAM |
8M |
4M/8M (Optional) |
| QSPI Flash |
8M |
4M/8M (Optional) |
| Code Storage Place |
1M |
|
Development Board Power Supply
The development board can be powered in two ways: USB power supply or external VDD power supply, as the following figure.
| Project |
Voltage |
Remark |
| USB Power Supply |
5V |
|
| VDD External Power Supply |
Voltage Range：5V<VDD<20V |
|
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