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E104-BT5040U User manual

nRF52840 USB-Type Bluetooth Module

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Summary of Contents for E104-BT5040U

Page 1: ...E104 BT5040U User manual nRF52840 USB Type Bluetooth Module ...

Page 2: ... and Pin Definition 5 4 Development 7 4 1 Development Tool 7 4 2Factory Default Firmware 7 4 3The Modified Codes 8 4 3 Public Key dfu_public_key c 8 4 3 2 Disable Hash value check function 8 4 4 DFU Guide 9 5 Hardware Notice 11 5 1 Hardware Notice 11 6 FAQ 12 6 1 Communication range is too short 12 6 2 Module is easy to damage 12 6 3 Error Rate is High 12 7 Welding Guide 13 7 1 Reflow Temperature ...

Page 3: ...s such as PWM etc nRF52840 leads to most of the I O ports please check the pin definitions for details which is convenient for users to carry out multi directional development E104 BT5040U is a hardware platform with factory program See below for specific usage 1 2 Features Under ideal conditions the communication distance can reach 250m The maximum transmit power is 6mW and the software is multi ...

Page 4: ... 2 Working Parameters Description Value Notes Min Typical Max Working voltage V 4 35 5 5 5 USB VBUS power supply Communication level V 0 3 3 3 6 Using 5V level is risky to burn Working temperature 40 85 Industrial design Working frequency MHz 2360 2402 2500 Support ISM frequency band TX TX only run current DCDC 3V PRF 8 dBm mA 17 05 TX only run current DCDC 3V PRF 4 dBm mA 12 68 TX only run curren...

Page 5: ...stance 250m Clear weather open location antenna height 2 5 meters air rate 1Mbps Crystal frequency 32MHz 32 768kHz supporting agreement BLE4 2 5 0 Power supply USB 1 27mm 孔 Interface method USB 1 27mm 孔 IC full name nRF52840 QIAAC0 aQFN TM 73 FLASH 1024kB RAM 256kB Kernel ARM Cortex M4 Dimensions 59 18mm Housing and ports size counted Antenna Type PCB Antenna ...

Page 6: ...Chengdu Ebyte Electronic Technology Co Ltd E104 BT5040U Datasheet Copyright 2020 Chengdu Ebyte Electronic Technology Co Ltd 3 Dimensions and Pin Definition ...

Page 7: ... 16 VBUS USB5V This interface cannot be powered at the same time as the USB interface the maximum is 5 5V 17 VDD Chip power supply pin maximum 3 6V cannot be supplied with USB power supply at the same time 18 GND Power Ground 19 P0 04 J1 See nRF52840 chipset datasheet 20 P0 26 G1 See nRF52840 chipset datasheet 21 P0 11 B19 See nRF52840 chipset datasheet 22 P0 31 A8 See nRF52840 chipset datasheet 2...

Page 8: ...tion code you can also use the official burning tool nRFgo studio to burn the protocol stack and then download it with IAR or KEIL 2 Testing Board Testing board is not available 4 2Factory Default Firmware The factory firmware of E104 BT5040U is only DFU firmware device firmware upgrade Main features of DFU Update application SoftDevice and bootloader Certification update Downgrade prevention Hard...

Page 9: ..._ALIGN 4 const uint8_t pk 64 0xc2 0xdf 0x7a 0x7f 0x4a 0x64 0xcd 0x56 0x63 0x77 0x82 0x94 0x49 0x70 0xe8 0x1b 0x8f 0x69 0x31 0xd7 0xcb 0x71 0x0f 0x2d 0xcc 0x03 0x7d 0x6f 0x26 0x14 0x1d 0x32 0x55 0xa2 0x2f 0xea 0x7e 0x1d 0xca 0x52 0xa0 0x86 0x9f 0xee 0x16 0x43 0xc8 0x8e 0x3f 0xbc 0xcc 0xa3 0x2b 0x36 0xe1 0x0e 0xdb 0xeb 0x6f 0x7b 0x3c 0x79 0x67 0x55 endif 4 3 2 Disable Hash value check function File ...

Page 10: ... use DFU such as upgrading through APP UART upgrading etc Here we only introduce how to use E104 BT5040U and nrf connect The version of nrf connect in the document is V3 3 1 Start the nrf connect software as shown in the figure below Take the first item as an example Bluetooth Low Energy Select Open to display the interface as shown in the figure below and select Launch anyway Start the Bluetooth ...

Page 11: ...d E104 BT5040U has no application firmware when it is powered on for the first time The app will prompt the user to program the module select Yes and wait for the firmware update to complete After the firmware update is complete the following page appears At this time you can use the bluetooth low energy function normally ...

Page 12: ... the digital part of the module and routed in the Bottom Layer Assuming that the module is soldered or placed on the Top Layer it is also wrong to randomly route the wires on the Bottom Layer or other layers which will affect the stray and receiving sensitivity of the module to varying degrees Assuming that there are components with large electromagnetic interference around the module it will grea...

Page 13: ...or or the quality of the antenna itself is problematic 6 2 Module is easy to damage Please check the power supply to ensure that it is within the recommended power supply voltage If it exceeds Max the module will be permanently damaged Please check the stability of the power supply the voltage should not fluctuate greatly and frequently Please ensure anti static operation during installation and u...

Page 14: ...min Tsmin 最小预热温度 100 150 Preheat temperature max Tsmax 最大预热温度 150 200 Preheat Time Tsmin to Tsmax ts 预热时间 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp 平均上升速率 3 second max 3 second max Liquidous Temperature TL 液相温度 183 217 Time tL Maintained Above TL 液相线以上的时间 60 90 sec 30 90 sec Peak temperature Tp 峰值温度 220 235 230 250 Aveage ramp down rate Tp to Tsmax 平均下降速率 6 second max 6 second max Tim...

Page 15: ...Technology Co Ltd 8 Revision history Version Date Description Issued by 1 0 2020 11 20 Initial Version Ren 9 About Us Sales hotline 4000 330 990 Tel 028 61399028 Support support cdebyte com Website www ebyte com Address Innovation Center B333 D347 4 XI XIN road High tech district west Chengdu Sichuan China ...

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