RAYTAC MDBT42Q-AT-UART-S User Manual Download Page 1 | Manualshive

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background image

Version: C

Issued Date: 2018/11/08

User Guide

(

簡易使用手冊

)

產品名稱

(Product): Demo Board for MDBT42Q-AT / PAT

產品型號

(Model No.):

MDBT42Q

– AT – UART

–

S

韌體版本

(FW Revision): 1.3

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Summary of Contents for MDBT42Q-AT-UART-S

Page 1: ...Version C Issued Date 2018 11 08 User Guide Product Demo Board for MDBT42Q AT PAT Model No MDBT42Q AT UART S FW Revision 1 3...

Page 2: ...ported commands 7 4 2 AT Command Sets 8 4 3 Default Info 14 5 How to Control External MCU 15 5 1 How to Send AT Commands 15 5 2 How to Transmit Data 16 5 3 How to Return to Flashed Default Setting 16...

Page 3: ...le with MDBT42Q AT chip antenna module MDBT42Q AT will be pre programmed with Raytac s AT command firmware If you don t need such pre programming and is looking for nRF52810 module please check MDBT42...

Page 4: ...rnal LF 3 10uH 15nH inductor for DC to DC mode 4 Interface to connect to external MCU 5 ADC input for battery detection only Reference voltage is 0 6V Example formula Input Voltage 1 1 2 Reference Vol...

Page 5: ...ease be careful not to erase the module during testing Raytac s AT command firmware will not be shared You may need to send the unit to us for re programming when module s FW is erased 9 3 3V LDO to p...

Page 6: ...6 3 Reference Circuit...

Page 7: ...tes Enable disable UART flow control Enable disable interface of UART hardware Support 8 programmable output GPIO Power down mode for power saving and GPIO wake up Support DC to DC and LDO power mode...

Page 8: ...AUDRATE230400 Set UART baud rate at 230400 bps n 8 1 recommended enabling flow control 12 AT BAUDRATE460800 Set UART baud rate at 460800 bps n 8 1 recommended enabling flow control 13 AT FLOWCONTROLDI...

Page 9: ...for nRF52832 Central usage min 8ms Max 8ms 33 AT CONNECTINTERVALMODE2 Set connection interval mode for iOS Android APP usage programmable min Max range is 8ms 1 000ms 34 AT CONNECTINTERVALTIMEtttttttt...

Page 10: ...0 AT DISCONNECT Terminate the connection 41 AT DEFAULT Back to default 42 AT SETGPIOnnHIGH Set GPIO number p0 nn to high where nn is range from 12 19 Ascii 43 AT SETGPIOnnLOW Set GPIO number p0 nn to...

Page 11: ...To retrieve status of PHY mode 10 AT WAKEUP To retrieve logic of wake up pin 11 AT ADVTIME To retrieve advertising time Hex 12 AT DCDC To retrieve DC to DC converter status 13 AT CONNECTINTERVALMODE...

Page 12: ...Hz oscillator 8 AT CONNECTINDICATOR 0 connect indicator low default 0 output low 1 output high 9 AT PHYMODE 0 PHY mode 1Mbps default 0 1Mbps 1 2Mbps 10 AT WAKEUP 0 wakeup low default 0 low active 1 hi...

Page 13: ...no data string default 17 AT ADCVALUE Value varies from input voltage 18 AT RESPONSE 1 response en default 0 disable response 1 enable response 19 AT ALLPARAMETERS Display value of all parameters sepa...

Page 14: ...ut set as logic low when BT is connecting 9 PHY mode 1Mbps 10 Logic of wake up pin Set logic low to wake up in deep sleep 11 Advertising time Forever advertising with no timeout 12 Status of DC to DC...

Page 15: ...T AT SLEEP AT SETGPIOnnHIGH AT SETGPIOnnLOW and AT SETGPIOnnOFF only 1 Output low to P0 10 UART PD pin to enable UART interface Please keep it enabling during the whole time when sending AT commands 2...

Page 16: ...is NOT connected Note that default baud rate is 9600bps n 8 1 For other default please check 4 3 Default Info Use Hardware Method 1 Read P0 03 indicator pin first to check if BT is NOT in connection 2...

Page 17: ...ll testing is done under PHY mode at 1M bps 6 1 Current Test DC DC Logic of UART PD pin Advertising Current Connected Current Disable High 0 85 mA 0 3 mA Low 1 56 mA 1 mA Enable High 0 45 mA 0 16 mA L...

Page 18: ...ax 75ms min 20ms Max 40ms 9600 X 64 60 262152 273 0 96 244 250 999432 1 042 V 244 250 999432 1 042 min 20ms Max 75ms min 20ms Max 40ms 115200 X 64 8 262152 33 7 9 244 30 999432 124 8 V 244 30 999432 1...

Page 19: ...2 273 0 96 244 250 999432 1 042 V 244 250 999432 1 042 min 20ms Max 75ms min 20ms Max 40ms 115200 X 64 8 262152 33 7 9 244 30 999432 124 8 V 244 30 999432 124 8 min 20ms Max 75ms min 20ms Max 40ms 460...

Page 20: ...evzone nordicsemi com questions A highly recommended website for firmware developer Interact with other developers and Nordic s employees will help with your questions The site also includes tutorials...

Page 21: ...to terminate the connection If response enabled AT will response info Set forever advertising no timeout as default 2 Add new AT commands AT RESPONSEDIS AT RESPONSEEN Default AT RESPONSE AT ALLPARAME...

Page 22: ...lease Date Description of Revision Note 1 3 2018 10 22 continued AT CONNECTINTERVALTIME AT SETGPIOnnHIGH AT SETGPIOnnLOW AT SETGPIOnnOFF 4 Modify detection for ADC value 5 Add function of setting MAC...

Page 23: ...B 1 Change model no to MDBT42Q AT UART S 2 Update Chapter 4 AT Command Chapter 5 How to Control External MCU and Chapter 6 Test Report to match new FW revision 1 3 See History of Firmware Revision fo...

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