Ebyte E31-400M17S, Руководство пользователя

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Chengdu Ebyte Electronic Technology Co.,Ltd E31-400M17S User Manual
Copyright ©2012–2019
，
Chengdu Ebyte Electronic Technology Co.,Ltd 5
3. Sizes and Pins Definition
No. Name Type Functions
1 GND P Ground wire, connected to the power reference ground
2 GND P Ground wire, connected to the power reference ground
3 GND P Ground wire, connected to the power reference ground
4 GND P Ground wire, connected to the power reference ground
5 GND P Ground wire, connected to the power reference ground
6 NC - Suspended Port
7 NC - Suspended Port
8 SYSCLK I/O Crystal oscillator output
；（
see details from AX5243 manual
）
9 VCC P
Power supply, range 1.8 ~ 3.6V (additional external ceramic filter capacitor
suggested)
10 GND P Ground wire, connected to the power reference ground
11 GND P Ground wire, connected to the power reference ground
12 GND P Ground wire, connected to the power reference ground
13 TCX0-P I
The internal TCXO power supply of the module needs to be linked with the 14
pin when the TCXO pin of the AX5243 is enabled.
14 TCX0-EN I/O AX5243 external TCXO pin; (see AX5243 manual for details)
15 IRQ I/O Transceiver data interrupt; (see AX5243 manual for details)
16 SPI-MISO O SPI data output pin; (see AX5243 manual for details)