Ebyte E70-433TBL-NW01 User manual

E70-433TBL-NW01 user manual v1.0

Brief introduction

1. All IO ports of E70 series have been led out.

2. Designed with CH340G UART chip, UART communication development is available.

3. Designed with USB interface, can connect with your PC directly.

4. User can connect the external power supply and UART directly for secondary development.

User guide

Item

Usage

Notes

VCC

Connect VCC of the downloader, for downloading.

The port for downloading.

GND

Connect GND of the downloader, for downloading.

TMSC

Connect TMSC of the downloader, for downloading.

TCKC

Connect TCKC of the downloader, for downloading.

RESET

Connect RESET of the downloader, for downloading.

Mode selection port. Plug in jumper, M2=0.

Pls remove the jumper when the board

work with E70-433NW14S.

Mode selection port. Plug in jumper, M2=0.

Mode selection port，

Mode selection port. Plug in jumper, M2=0.

Mode selection port，

ACK

ACK light selection port, plug in jumper, then ACK

light connected.

3.3V-MCU

The current test port for E70, plug in jumper, power

on.(3.3V)

To test the module current, pls remove

ACK light, AUX light and LINK light

selection port.

TXD

UART TXD selection port. Plug in jumper, TXD of

USB UART connect with RXD of the module. The

user can use the serial port for other purposes.

RXD

UART RXD selection port. Plug in jumper, RXD of

USB UART connect with TXD of the module. The

user can use the serial port for other purposes.

LINK

LINK light selection port. Plug in jumper, then ACK

light connected.

AUX

AUX light selection port. Plug in jumper, then ACK

light connected. This function is used to test current.

+5VIN

5V external power supply port. If users do not want

to use USB power supply, can connect to external

power supply (+5V and GND)

Do not reverse.

LINK light

Network indicator, this light is on when the module is

successfully connected to the network.

Indicator

AUX light

Idle indicator, this light is on when the module is idle.

ACK light

Status indicator. This light is on when the module

sends data.

POWER light

Power indicator, this light is on when the backplane

power on.

Remarks:

There is crystal connection inside E70 module, users can connect external crystal too.(there is external

crystal pad in the module.)

E70-TBL-NW01（positive）pin definition

No.

Pin item

Remarks

GND

DO_1

DO_2

DO_3

DO_4

DO_5

DO_6

DO_7

DO_8

DO_9

DO_10

DO_11

GND

DO_12

M0 mode pin

DO_13

M1 mode pin

DO_14

The UART-RX pin for E70 module

DO_15

The UART-TX pin for E70 module

DO_16

DO_17

DO_18

AUX pin

VCC

Power supply(+3.3V)

GND

DO_19

ACK pin

DO_20

DO_21

DO_22

RESET

Reset pin

DO_23

DO_24

DO_25

LINK pin

DO_26

DO_27

DO_28

DO_29

DO_30

GND

4Driver installation

Please visit our website for downloading CH340G（Click here for download）. After the

installation is complete, the serial port number can be identified in the device.

Technical assistance

If you have any questions during the development process, pls contact us at support@ebyte.com.

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