Ebyte E75-2G4M20S, User Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd. E75-2G4M20S User Manual
Copyright ©2012–2018
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
4
1 ADC1 I
JN5168 input ADC pin
（
Refer to JN5168 Datasheet for more
details
）
2 SPI-CLK I JN5168 SPI communication clock pin
3 SPI-MISO/ISP I/O
JN5168 SPI output. When ISP is used for burn via UART, it’s
burn mode after pulling down and powering on.
4 SPI-MOSI I/O JN5168 SPI input
5 SPI0-SE I SPI CS pin. It’s used to start a SPI communication.
6 DIO0 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
7 DIO1 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
8 NC -- NC
9 NC -- NC
10 DIO4 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
11 DIO5 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
12 DIO6 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
13 DIO7 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
14 DIO8 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
15 DIO9 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
16 DIO10 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
17 VDD
Power
positive
Power supply 2.0V ~ 3.6V DC
（
3.3V and an added external
ceramic filter capacitor are recommended.
）
18 GND Ground Ground electrode. It connects to the power reference place.
19 DIO11 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
20 DIO12 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
21 DIO13 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
22 REST I It is reset pin.
23 DIO14 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
24 DIO15 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）
25 DIO16 I/O
It can be configured as general IO port.
（
Refer to
JN5168 Datasheet for more details
）