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

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4.4. MG2475-RCU electrical schematics
Figure 4. MG2475-RCU schematic
P3_6
R8
0 ohm
This is GND
P0_2
LED
C1
1uF
VCC_3V
ANT1 ANTENNA
1
ISP_RXD
KEY_OUT1
SW_12
MG2475
XOSCO
KEY_IN1
SW_2
P1_0
L4 3.9nH / 1608
KEY_IN1
R3
0 ohm
KEY MATRIX
XOSCI
ISP
SW_6
VCC_3V
P1_0
R6
0 ohm
P3_4
KEY MATRIX 4x3
AVDD_RF1.2V
VCC_3V
R2
10K
ISP_RXD
SW_10 ISP_TXD
SW_8
** Crystal **
VCC_3V
P1_1
Radiopulse
MG2475
U1
MG2475-QFN40
1 2 3
34
4 6 5 7 8 9
11
16
12
13
14
15
17
20
18
19 31
21 22 24 23 25 26 27 28 29 30
32
33
35
39
38
37
40
10
36
41
AVDD_PLL3V AVDD_RF3V RF_P
RESETB
RF_N RBIAS AVDD_RF1.2V AVDD_ANA3V ATEST0 (P3[3]) ATEST1 (P3[2])
P1[7]
P1[1]
P1[6]
XOSCI_32K(P1[4])
XOSCO_32K(P1[3])
DVDD2_IO3V
P1[0]
P3[5]
P3[7]
P3[6] NC
P3[4] P3[1]
DVDD_F3V
P3[0] P0[7] P0[6] P0[5] P0[4] P0[3] P0[2]
P0[1]
P0[0]
DVDD1_IO3V
XOSCI
XOSCO
DVDD_3V
AVDD_CP1.2V
MS
VDD
BTM_GND
P1_1
TP1 GND
1
P1_1
** ISP **
XOSCI
P3_7
R5
0ohm
ISP_TXD
C6 30pF
KEY_IN2
CD1 1uF/10%
10~20ppm apply
VCC_3V
RBIAS
P3_6
L2
3nH
KEY_OUT1
L1 4.7nH
P3_5
Use Murata Chip C,L Only
VCC_3V
P1_0
C4 0.5pF
KEY_IN4
CD4
1uF/10%
VCC_3V
P0_3
D1 LED
M-Type Patch Antenna
ISP
P3_5
R4 1K
KEY_OUT2
R1 510k
VCC_3V
SW_9
KEY_OUT2
L3 6.2nH
R3, R6, R7, R8 = 2012 Type
RF_P
P3_4
KEY_IN3
CD2
1uF/10%
KEY_IN4
R7
0 ohm
MG2475 INTERFACE
RESETB
VCC_3V
SW_7
KEY_OUT3
SW_3
DEBUG_VCC_3V
P3_7
TP2 VCC_BAT
1
Downloading & Debugging Port
RF_N
P0_3
AVDD_RF1.2V
SW_1
C2 1.5pF
P0_4
C3 1.5pF
VCC_3V
Key Interface
KEY_IN2
P0_2
C7
30pF
RF_P
SW_11
KEY_OUT3
MG2475 1.0 MG2475-RCU
Custom
2 2Tuesday, March 24, 2015
Title Size Document Number Rev Date: Sheet of
SW_4
UART Interface(Debug Port)
LED
RESETB
J1 ISP TP/1.27mm(DNP)
1 2 3 4 5 6
RF_N
CD3 1uF/10%
SW_5
KEY_IN3
ANT1 1pin (IN_Out pin)
P0_4
Y1
32M :3225M, CL=16pF
4 13
2
G/V X1/C X2/O
G/G
ISP
XOSCO
C5
1.5pF

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RadioPulse Inc
U-SPACE #1106, 660, Daewangpangyo-ro, Bundang-gu,
Seongnam-si, Gyeonggi-do, 463-400, Korea
URL: www.radiopulse.co.kr
Tel: [phone]
Fax: [phone]
[email protected]
About RadioPulse Inc.
RadioPulse is a Being Wireless solution provider offering wireless communication & network
technologies and developing next generation wireless networking technologies.
The new wireless networking solutions envisioned by RadioPulse will enable user to enjoy wireless
technologies with easy interface.
Founded in April of 2003, the company maintains it headquarters and R&D center in Korea.
Copyright (c) 2015 RadioPulse. All rights reserved.