Chapter 3 Size And Pin Definition - Ebyte E49-900M20S User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.

Chapter 3 Size and pin definition

Chart 3-1 pin definition
Pin No. Item
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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figure 3-1 Size and pin definition
Direction
- Ground
- Ground
- Ground
- 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）
- Power supply +3.3V
- Ground
- Ground
DI SPI clock pin
DI/O SPI data pin
DI SPI register accesser
DI SPI FIFO accesser
- Ground
- Ground
- RF module stamp hole interface，impedance 50Ω
- Ground
E49-900M20S user manual
Description
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