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By Applications -

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Embedded Bluetooth® Modules – RB730
- HID Support, Full Bluetooth Stack
- For PC Peripherals, Game Controllers, Remote Controllers

RB730

HID Support, Full Bluetooth Stack

Bluetooth 3.0 Compliant

On-Board Antenna

FCC, IC and CE Certified

SPI Support

RB730

 

Radicom Research’s RB730 and 730SD (Shielded) are Bluetooth modules featuring Human Interface Device (HID) support.  Based on Broadcom BCM20730 Bluetooth chipset, the modules integrate with PCB antennas, serial EEPROMs, crystals and components for built-in switching regulators to reduce external BOM costs. 

The RB730 and RB730SD Bluetooth modules integrate the entire profiles, applications, and Bluetooth protocol stack.  They are fully compliant with the Bluetooth SIG specifications for human interface devices.  The RB730 and RB730SD are fully compliant with version 3.0 Bluetooth specification including enhanced power control (Unicast Connectionless Data), which is essential to mouse and keyboard applications of personal computers.

By integrating major components within today’s mice and keyboards, the RB730 and RB730SD can interface directly to optical mice, ball encoders and keyboard scan matrixes which help reduce BOM costs in manufacturing those PC peripherals. 

The RB730 and RB730SD provide superior performance in the presence of interference from 802.11 (Wi-Fi) wireless devices and other 2.4GHz radios.   The RB730 and RB730SD are built-in with internal EEPROM.  OEM specific parameters and settings can be easily loaded into these modules. 

The RB730 is a surface mount PCB module with on-board antenna built-in.

Applications:

  • Wireless Keyboards

  • Wireless Mice and Trackpad

  • Game Controllers

  • Joysticks

  • Presenter Devices

  • Remote Controllers

Features:

  • Bluetooth V3.0 compliant including support for enhanced power control
  • Small sizes: RB730: 30.56 x 14.99 x 3.0mm (0.75” x 1.20” x 0.12”)
  • Class 2 radio, 4dBm transmission power
  • Single-chip Bluetooth device with fully integrated Human Interface Device (HID) profile and full Bluetooth stack.
  • On-board ARM processor and RAM/ROM memory.
  • Custom-integrated Bluetooth core processor has been optimized to support the HID V1.0 profile and minimize power consumption.
  • Integrate serial EEPROM and contains high-performance boost regulator for direct connection with mice electronics.
  • Built-in switching regulator to reduce external BOM and provide high efficient power for external sensor.
  • On-module serial EEPROM for configuration and firmware upgrade.
  • Supports SPI (full duplex and half duplex) to communicate with mouse sensor.
  • Direct interface to keyboard scan matrix with full support for up to 8X20 keys and User-customized hot keys.
  • Integrated quadrate signal decoder to support both ball and optical mouse designs.
  • Direct interface to LED
  • Approx. 30.6mm x 15mm FR4 PCB.
  • On-board antenna
  • -20°C to +70°C temperature operating
  • FCC, CE, IC Certified
  • RoHS compliant
Specifications:

Dimensions

RB730: 0.590" x 1.207” x 0.140
RB730HM: 2.340" x 1.940" x 0.300"

Device Type

Embedded Bluetooth OEM modules

Interface

UART / SPI / GPIO

Data Link Protocol

Bluetooth 3.0

Frequency

ISM 2.4GHz short-range radio frequency band

Frequency Range

2.402 – 2.480 GHz

Max Transmit Power

+4dBm max.

Bluetooth Class

Class 2

Range

Up to 20 meters (basic rate, line of sight)

On Board Memory

RAM / EEPROM

Power Consumption

2.5mA (Key scan active mode), <1mA (Sniff Mode)

Supply Voltage

2.0V – 3.6V

Antenna

On-board antenna or with an U.FL connector for external antenna (HM)

Baseband Crystal OSC

24MHz

RF Input Impedance

50 ohms

Receiver IF Frequency

1.5 MHz

Receiving Signal Range

-87 to –20dBm typical

Operating Temperature

-20ºC to +70ºC

Storage Temperature

-40ºC to +125ºC

Environmental

RoHS compliant


Ordering Information

Model Number

Description

RB730
RB730

Surface mount, class 2, Bluetooth HID module with on-board printed antenna

RB730HM
RB730HM

One RB730 SMD module is mounted on a carrier board that can be installed onto a RB730MB to provide the designer to immediately explore the functionality of the product

RB730MB
RB730MB

One RB730HM module is mounted onto a development board to provide the designer to immediately explore the functionality of the product.

MDK7000 EVK
MDK7000

The MDK7000EVK contains, an RB730 SMD module mounted on a Carrier Board that is installed into an RB730MB development board. Each kit consists of the following components:

  • 1~ RB730MB Development Board
  • 1~ Power cable (A to B)
  • 1~ RS232 DB9 Null Modem Cable
RB730KP
RB730 Keypad

RB730KP,  external keypad, is an optional accessory to connect to MDK7000EVK for a full keyboard function estimation.

  • 1~ RB730KP
  • 1~ Boxheader Cable
MDK7000KB
MDK7000KB

MDK7000 EVK conntects to a RB730KP. The RB730KP can be configured as 8x18 keys or 6x16 keys with the mouse wheel roll.

 

Mechanical Diagram & Pin Assignments - RB730

RB730
PIN   PIN   PIN  
39 GND (P) 22 P24 (I/O) 1 GND (P)
38 P33 (P) 21 P0 (I/O) 2 P32 (I/O)
37 GND (P) 20 P13 (I/O) 3 P12 (I/O)
36 P34 (I/O) 19 P27 (I/O) 4 P10 (I/O)
35 P9 (I/O) 18 P14 (I/O) 5 P11 (I/O)
34 A (I/O) 17 P15 (I/O) 6 P2 (I/O)
33 P8 (I/O) 16 SCL (O) 7 P1 (I/O)
32 P35 (I/O) 15 VBAT (P) 8 P16 (I/O)
31 P36 (I/O) 14 GND (P) 9 P26 (I/O)
30 P38 (I/O) 10 3P0V (P)
29 RESET_N (I)     11 P28 (I/O)
28 P25 (I/O)     12 P17 (I/O)
27 VCC_IO (P)     13 P29 (I/O)
26 UP_RX (I)        
25 UP_TX (O)        
24 P7 (I/O)        
23 P6 (I/O)        
I: Input
O: Output
I/O: Input/Output
P: Power

RB730MB Development Board Figure and Functions

The RB730MB Development Board has white silkscreen legend located by the switches and connectors described below

RB730MB

 
Position Function Position Function
1 USB 5V slot (USB1) 9 SPI Interface header (P4)
2 Main board power switch (S5) 10 Main power indicator (D1)
3 UART enable/disable switch (S6) 11 Pairing indicator (D2)
4 RS232 male DB-9 connector (J7) 12 Battery low indicator (D3)
5 RB730HM carrier board with module (D4) 13 Pairing key (S4)
6 3.3V/GND output pin (P1) 14 Demo key (SW1 - SW11)
7 3.3V/GND output pin (P2) 15 UART power indicator (D4)
8 UART interface header (P3) 16 Box Header for external keypad

Note:

_________________________________________________________________________________________________________

Information furnished by Radicom Research is believed to be accurate and reliable.  However Radicom Research assumes no responsibility for its use, or any infringement of patents or other rights of third parties which may result from its use.  Radicom Research reserves the right to change circuitry at any time without notice.  This document is subject to change without notice.

The information contained herein is subject to change without notice. Logos, trademarks and copyrights are property of their respective owners.

 

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