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TWN4 MultiTech 3 BLE

Technical Handbook

DocRev7, June 17, 2020

Elatec GmbH

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Summary of Contents for TWN4 MultiTech 3 BLE

Page 1: ...TWN4 MultiTech 3 BLE Technical Handbook DocRev7 June 17 2020 Elatec GmbH ...

Page 2: ...E PCB 4 2 1 Functional Overview 4 2 2 Dimensions 5 2 3 Pinout 6 2 3 1 USB X1 6 2 3 2 Generic Interface X2 6 2 3 3 UART X3 8 2 4 Versions 9 3 Bluetooth Low Energy BLE Feature 10 4 Power states and current consumption breakdown 11 5 Disclaimer 13 Page 2 of 13 ...

Page 3: ...ntennas allowing the User access to a wide range of RFID standards This Technical Handbook provides the details needed to get started using the TWN4 MultiTech 3 BLE a functional overview of the board listing the features and interface options available A custom User App can be loaded onto the module using the AppBlaster software For more information regarding the programming of the TWN4 module ple...

Page 4: ...firmware is shielded as shown on Figure 2 1 The device can be connected to the host via USB interface A more generic breakout interface to the main controller is available its pinout is shown in Table 2 2 The TWN4 MultiTech 3 BLE also offers a SAM slot and a speaker on board The TWN4 MultiTech 3 BLE can interact with the User via Bluetooth Low Energy interface This develop ment pack contains docum...

Page 5: ...2 TWN4 MultiTech 3 BLE PCB 2 2 Dimensions Figure 2 2 provides the physical dimensions of the TWN4 MultiTech 3 BLE All dimensions in mm unless otherwise stated Figure 2 2 PCB Dimensions Page 5 of 13 ...

Page 6: ...1 Main USB connector X1 Pin Configuration 2 3 2 Generic Interface X2 The module provides a generic access port that allows the User to bypass the main USB connector and interact with the TWN4 MultiTech 3 BLE microcontroller directly The port name is X2 and the polarity of its pins is shown in Figure 2 3 The pinout is provided in Table 2 2 Figure 2 3 Connector X2 Page 6 of 13 ...

Page 7: ...B This pin is internally pulled high 11 V24_RXD RS232 RXD Input 12 GND Ground 13 UVCC USB VCC 5V 14 USB_DM_P USB Data 15 UGND USB Ground 16 USB_DP_P USB Data 17 COM1_TX Low active TTL output push pull of asynchronous TXD from COM1 18 COM1_RX Low active TTL input with internal pull up resistor of asynchronous RXD to COM1 19 VCC Direct access to 3 3V supply net after Regulator Microcontroller and ma...

Page 8: ...unction 1 5V 5V supply 2 COM1_RX Low active TTL input with internal pull up resistor of asynchronous RXD to COM1 3 COM1_TX Low active TTL output push pull of asynchronous TXD from COM1 4 GND Ground Table 2 3 UART connector X3 Pin Configuration Page 8 of 13 ...

Page 9: ...timized versions which support LF 125kHz 134 2kHz and or HF 13 56MHz transponders Table 2 4 lists the different features of the corresponding model Feature TWN4 TWN4 TWN4 TWN4 MultiTech 3 BLE MultiTech 3 MultiTech 3 LF MultiTech 3 HF LF HF BLE Nr of SAM Slots 1 1 1 Table 2 4 Different features of TWN4 MultiTech 3 Versions Page 9 of 13 ...

Page 10: ...21 module from Silicon Labs The chip implements the Physical Link and L2CAP Layers of the BLE Protocol The API is implemented within the firmware of the main TWN4 microcontroller The two chips interact via the COM2 port and GPIO7 connected to Reset of BGM121 of the TWN4 microcontroller thereby making COM2 and GPIO7 unavailable for custom user functions For more information regarding the Bluetooth ...

Page 11: ...tion on USB COM ports predefined timeout or a Low Power Card Detection LPCD event and taken to Normal state In Stop state the reader consumes the least current and can be woken up via external internal interrupt or a Low Power Card Detection LPCD event and taken to Normal state Changing the LPCD poll time will change the current consumption which can be estimated with the fol lowing formula ILPCD ...

Page 12: ...op N A 0 45 Stop LPCD Option N A 0 8 Maximum Consumption by Function wrt Normal Idle System State SearchTag HF 140 SearchTag LF 25 RS232 4 BLE Active Packet Reception 9 BLE Active Transmission 0 dBm output power 9 BLE Active Transmission 8 dBm output power 24 Speaker Constant Tone 80 LED Red 2 LED Green 6 Table 4 1 Current Consumption Breakdown given 5V DC Supply mA Page 12 of 13 ...

Page 13: ...uct with any other specifications but the ones mentioned above Any additional requirement for a specific custom application has to be validated by the customer himself at his own responsibility Where application information is given it is only advisory and does not form part of the specification All referenced brands product names service names and trademarks mentioned in this document are the pro...

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