Radio Pulse MG2475 User manual

www.radiopulse.co.kr
MG2475-Dongle User’s Guide
(No. AHW1007)
V1.0

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REVISION HISTORY
Version
Date
Description
V1.0
2015.05.19
▪First version is released.

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CONTENTS
1. INTRODUCTION................................................................................................................................... 4
2. DEFINITIONS ........................................................................................................................................ 5
3. FEATURES.............................................................................................................................................. 6
4. HARDWARE DESCRIPTION ................................................................................................................ 7
4.1. MG2475-DONGLE BLOCK DIAGRAM ......................................................................................................................... 7
4.2. MG2475-DONGLE LAYOUT AND DESCRIPTION ....................................................................................................... 8
4.3. MG2475-DONGLE MECHANICAL DRAWING.......................................................................................................... 10
4.4. MG2475-DONGLE ELECTRICAL SCHEMATICS......................................................................................................... 11
ANNEX A ISP DOWNLOADER ............................................................................................................ 12

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1. INTRODUCTION
This guide explains the specification of MG2475-Dongle. The MG2475-Dongle is an RF to
USB dongle type module for PC(or Host) connection which can be performed with its USB
HID function. Actually the MG2475-Dongle has several USB HID functions such as AUDIO,
HID MOUSE, HID KEYBOARD, and so on.

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2. DEFINITIONS
MG2475: 2.4GHz RF Transceiver Chip in SoC type developed by RadioPulse, applied to
ZigBee, IEEE802.15.4-2003, 2006.
MG2470B: 2.4GHz RF Transceiver Chip in SoC type developed by RadioPulse, applied
to ZigBee, IEEE802.15.4-2003, 2006.
MG2470B-RDB: Remote controller Development Board using LM2475-C(or LM2470B-C)
LM2475-C: Chip antenna type MG2475 module for MG2475-RDK.
MG2475-Dongle: ‘RF to USB Bridge Controller’module in USB dongle type which is
connected to Host. It connects RF communication and USB communication.
MG2470-GS-MPU6150: 6-axis Motion Tracking Module(3-axis gyroscope, 3-axis
accelerometer)
MG2470-TP-TC30Q: Touch Pad Module. It’s a third party solution.
 MG2470-EVB(Evaluation Board): a PC interface board of LM2475-EM(or LM2470B-EM).
This board makes it possible to download user programs to LM2475-EM or connect LM2475-
EM to host programs in PC system.
CP210x Device Driver: Device Driver Program to connect MG2470B-RDB / MG2470-
EVB to PC by USB cable. In installation procedure of Device Programmer MD, CP210x
Device Driver installation is automatically questioned. A user can install it then.
Device Programmer MD: a PC GUI program for firmware downloading provided by
RadioPulse. It is used to update the firmware for LM2475-C(or LM2470B-C) and MG2475-
Dongle(or MG2470B-Dongle).

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3. Features
The MG2475-Dongle offers the following features;
RF Tx and Rx with MG2475.
Several USB HID functions(Audio, Mouse, Keyboard and others).
Firmware downloading & debugging connector(1.27mm, 1x6)
One LED
- Debugging or Pairing (D1)
One user defined key(1 Push Button for Pairing)

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4. HARDWARE DESCRIPTION
4.1. MG2475-Dongle block diagram
Figure 1. Block diagram of MG2475-Dongle

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4.2. MG2475-Dongle layout and description
MG2475-Dongle is an ‘RF to USB Bridge Controller’module in USB dongle type which is
connected to Host(or PC). It connects RF communication and USB communication.
It can be operated as audio, key board, and mouse functioned as USB HID in host side. It is
not necessary to install a device driver separately.
Figure 2. MG2475-Dongle top view
Figure 3. MG2475-Dongle bottom view
③MG2475
④Key(P3_2)
⑤NUC120 Download Port
⑥USB A type Plug
①Chip Antenna
②MG2475 Debug
/ Download Port
⑦USB Controller

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Table 1.
No.
Description
Reference
Designator
①
Fusca 2.4GHz SMD Antenna
ANT1
②
MG2475 Debug / Download Port,
Port for MG2475 firmware update and debugging(UART1)
1
2
3
4
5
6
VCC_3V
RxD1
TxD1
ISP
RESETB
GND
J4
③
MG2475, RadioPulse SOC 2.4GHz RF Transceiver
U1
④
Key(P3_2), P3_2 GPIO Interrupt
SW1
⑤
NUC120 Download Port,
Firmware update for ‘USB Controller’
J1
⑥
USB Atype Plug, Connector to host USB.
J3
⑦
Controller including USB Controller, HID function.
Third Party Solution.
U2

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4.3. MG2475-Dongle mechanical drawing
Figure 4. MG2475-Dongle dimension