Size And Pin Definition - Ebyte E49-400M20S User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.

3.0 Size and pin definition

Chart 3-1 Pin definition table
No. Name
1 GND
2 GND
3 GND
4 GND
5 GPIO1
6 GPIO2
7 GPIO3
8 VCC
9 GND
10 GND
11 SCLK
12 SDIO
13 CSB
14 FCSB
15 GND
16 GND
17 ANT
18 GND
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Image 3-1 Mechanical Dimensions and Pin Definition
Direction
- Ground wire, connect to power reference ground
- Ground wire, connect to power reference ground
- Ground wire, connect to power reference ground
- Ground wire, connect to power reference ground
DI/O Configurable multi-function IO port (see CMT2300A manual for details)
DI/O Configurable multi-function IO port (see CMT2300A manual for details)
DI/O Configurable multi-function IO port (see CMT2300A manual for details)
- Module power supply, connect to power supply +3.3V
- Ground wire, connect to power reference ground
- Ground wire, connect to power reference ground
DI SPI clock pin
DI/O SPI data pins
DI Chip select for SPI access register
DI Chip select for SPI access to FIFO
- Ground wire, connect to power reference ground
- Ground wire, connect to power reference ground
- Module RF stamp hole interface, equivalent impedance is about 50Ω
- Ground wire, connect to power reference ground
E49-400M20S User Manual
Function
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