Radio Pulse MG2475-RCU User manual

www.radiopulse.co.kr
MG2475-RCU User’s Guide
(No. AHW1009)
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-RCU BLOCK DIAGRAM................................................................................................................................ 7
4.2. MG2475-RCU LAYOUT AND DESCRIPTION.............................................................................................................. 8
4.3. MG2475-RCU MECHANICAL DRAWING ................................................................................................................ 10
4.4. MG2475-RCU ELECTRICAL SCHEMATICS............................................................................................................... 11

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1. INTRODUCTION
This guide explains the specification of MG2475-RCU which is a simple RF remote controller
for a low cost form-factor. This module has the MG2475 and twelve push buttons as key
components.

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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.
CP210x Device Driver: Device Driver Program to connect MG2475 PC interface
board/module 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 MG2475.

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3. FEATURES
The Mg2475-RCU offers following features;
RF Tx and Rx with MG2475.
Firmware downloading & debugging connector(1.27mm, 1x6)
One LED
- Debugging or Pairing (D1)
Twelve user defined keys(12 tact switch)
VCC and GND port for battery.

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

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4.2. MG2475-RCU layout and description
MG2475-RCU is ‘a simple RF remote controller’which consists of one layer PCB, MG2475,
and twelve Tact Switches. It’s made for a low cost form-factor. It’s a very simple small-sized
remote controller.
Figure 2. MG2475-RCU top view
②MG2475 Debug
/ Download Port
③MG2475
④Battery Port
⑥4x3 Key Pad
⑤LED
①PCB Antenna

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Table 1.
No.
Description
Reference
Designator
①
PCB Antenna
ANT1
②
MG2475 Debug / Download Port,
Port for MG2475 firmware update and debugging(UART1)
1
2
3
4
5
6
RESETB
RxD1
TxD1
VCC_3V
GND
ISP
J1
③
MG2475, RadioPulse SOC 2.4GHz RF Transceiver
U1
④
Battery Port (VCC, GND)
TP1, TP2
⑤
User defined one LED which can be controlled by P0_7.
(LED On: P0_7= Low, LEDOff: P0_7 = High)
D1
⑥
4 x3 Key Pad(12 Tact Switch) which can be controlled by
several GPIOs. (P3_4, P3_5, P3_6, P3_7, P0_2, P0_3, P0_4)
SW1 ~ SW12
▶Cf1: For firmware download, please feel free to call and ask Radiopulse Technical
Marketing Team,.
▶Cf2: Two batteries(1.5V x2) are recommended for the battery port.

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4.3. MG2475-RCU mechanical drawing
Figure 3. MG2475-RCU dimension