ShenZhen HLK RM08K User Manual

www.hlktech.net Email :[e-mail] skype:hlktech

HLK-RM08K User Manual

ETHERNET

WIFI

Full Function Serial Network/Wireless Module

Contact：Sunny Shen Email ：[e-mail] Phone：[phone]

Skype：hlktech

Add: 3F,5# Building,Minxing Industrial Park,MinKang Rd
Minzhi,Longhua District,ShenZhen,China，518131

TEL

86-755-23152658-821

1

QQ:2859395931

www.hlktech.net Email :[e-mail] skype:hlktech

1.BRIEF INTRODUCTION .......................................................................................3

2 HARDWARE EXPLANATION

2.1 MECHANICAL DIMENSIONS ...................................

................................

3

2.2 PINS DEFINITION ...................................................................................4,5,6

2.3 TYPICAL REFERENCE DESIGN .................................................................7

2.3.1 UART TO ETHERNET ........................................................................7

2.3.2 UART TO WIFI（AP OR STA） ........................................................ 7

2.3.3 GATEWAY MODE OR REPEATER MODE.......................................7

3 TECHNICAL SPECIFICATION ............................................................................ 8

4 DETAILED FUNCTIONS ....................................................................................... 9

4.1 UART MODE ..................................................................................................9

4.1.1UART TO ETHERNET .........................................................................9

4.1.2 UART TO WIFI STA .......................................................................... 10

4.1.3 UART TO WIFI AP ............................................................................10

4.2 NETWORK MODE.......................................................................................10

4.2.1 GATAWAY MODE（DEFAULT MODE） ......................................... 1

4.2.2 REPEATER MODE .............................................................................. 1

5 VERSION UPDATE INSTRUCTIONS................................................................ 12

2

www.hlktech.net Email :[e-mail] skype:hlktech

Link Electronic Co.,Ltd

1. BRIEF INTRODUCTION

HLK-RM08K is a new low-cost embedded UART-ETH-WIFI module (serial

port - Ethernet - Wireless network) developed by Shenzhen Hi-Link (HK) co., Ltd.

The product is a low power consumption WIFI module,supports EEE802.11b/g/n wir

eless protocol with small size and smart use,ully transparent transmission UART module, b

uilt-in TCP / IP protocol stack, enabling users short development cycle. It just needs host

computer,WEB browser or APP to set up parameters, making the connection between UA

RT and network.

HLK-RM08K

has stable performance and flexible use, meeting kinds of

requirements of users. and strong technical supports could be provided. Also, it could

be customized,such as WEB interface ,mobile phone app and so on.

Diagram 1. Function structure

2. HARDWARE EXPLANATION

2.1 Meachanical Dimentsions

Top view Bottom view

Note：pitch of holes 2.0mm, pitch of holes 0.7mm.

Dimensions：40mm(length）X 29mm(width ) X 2.9mm(height)

3

www.hlktech.net Email :[e-mail] skype:hlktech

2.2 Pin Definitions

No.

1 CTS1/G0 I/O CTS1

2 WDG O Watchdog

3 CTS0/G1 I/O CTS0

4 RTS0/G2 I/O RTS0

5 RES0 - （Reserved）

6 RES1 - （Reserved）

7 RES2 - （Reserved）

8 GND Power GND

9 WLED_N O

10 VDD_O Power Out 3.3v OUTUP

11 EL4/G3 I/O ETH 4 LED

12 RES3 - （Reserved）

13 RES4 - （Reserved）

14 RES5 - （Reserved）

FUNCTION DIRECTION DESCRIPTION

WiFi LED(

activate low

)

15 RES6 - （Reserved）

16 ES0 I ES0

17 TXN4/G4 A TXN4

18 TXP4/G5 A TXP4

19 RXP0 A RXP0

20 RXN0 A RXN0

21 TXP1/G6 A TXP1

22 TXN1/G7 A TXN1

23 RXP1/G8 A RXP1

24 RXN1/G9 A RXN1

25 RXP2/G10 A RXP2

26 RXN2/G11 A RXN2

27 TXP2/G12 A TXP2

28 TXN2/G13 A TXN2

29 TXP3/G14 A TXP3

30 TXN3/G15 A TXN3

31 RXP3/G16 A RXP3

4