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Microchip Technology ATtiny1627 Curiosity Nano, Hardware User'S Manual

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4.2.1.

LED..............................................................................................................................25

4.2.2.

Mechanical Switch....................................................................................................... 25

4.2.3.

Crystal..........................................................................................................................25

4.2.4.

On-Board Debugger Implementation...........................................................................26
4.2.4.1.

On-Board Debugger Connections............................................................. 26

5.

Hardware Revision History and Known Issues..................................................................................... 27

5.1.

Identifying Product ID and Revision........................................................................................... 27

5.2.

Revision 3...................................................................................................................................27

5.3.

Revision 2...................................................................................................................................27

6.

Document Revision History...................................................................................................................28

7.

Appendix............................................................................................................................................... 29

7.1.

Schematic...................................................................................................................................29

7.2.

Assembly Drawing......................................................................................................................31

7.3.

Curiosity Nano Base for Click boards

™

...................................................................................... 32

7.4.

Disconnecting the On-board Debugger......................................................................................33

7.5.

Getting Started with IAR.............................................................................................................34

The Microchip Website.................................................................................................................................37

Product Change Notification Service............................................................................................................37

Customer Support........................................................................................................................................ 37

Microchip Devices Code Protection Feature................................................................................................ 37

Legal Notice................................................................................................................................................. 37

Trademarks.................................................................................................................................................. 38

Quality Management System....................................................................................................................... 38

Worldwide Sales and Service.......................................................................................................................39

 ATtiny1627

©

 2020 Microchip Technology Inc.

 User Guide

DS40002199A-page 3

Summary of Contents for ATtiny1627 Curiosity Nano

Page 1: ...o explore how to integrate the device into a custom design The Curiosity Nano series of evaluation boards include an on board debugger No external tools are necessary to program and debug the ATtiny16...

Page 2: ...1 3 1 3 4 Special Commands 12 3 1 4 Data Gateway Interface DGI 12 3 1 4 1 Debug GPIO 12 3 1 4 2 Timestamping 13 3 2 Curiosity Nano Standard Pinout 13 3 3 Power Supply 14 3 3 1 Target Regulator 15 3 3...

Page 3: ...ision History 28 7 Appendix 29 7 1 Schematic 29 7 2 Assembly Drawing 31 7 3 Curiosity Nano Base for Click boards 32 7 4 Disconnecting the On board Debugger 33 7 5 Getting Started with IAR 34 The Micro...

Page 4: ...ulator controlled by the on board debugger 1 8 5 1V output voltage limited by USB input voltage 500 mA maximum output current limited by ambient temperature and output voltage 1 2 Kit Overview The Mic...

Page 5: ...Windows Mac OS Linux to develop applications for Microchip microcontrollers and digital signal controllers It is called an Integrated Development Environment IDE because it provides a single integrat...

Page 6: ...Solutions Microchip PIC and AVR Device Solutions contains complete applications for use with Microchip development boards ready to be adapted and extended ATtiny1627 Curiosity Nano website Kit inform...

Page 7: ...et application through terminal software A Data Gateway Interface DGI for code instrumentation with logic analyzer channels debug GPIO to visualize program flow The on board debugger controls a Power...

Page 8: ...et Send Terminal Receive Terminal Send Info As shown in Figure 3 1 the debugger s CDC TX pin is connected to a UART RX pin on the target for receiving characters from the host computer Similarly the d...

Page 9: ...r has the following behaviour Debugger UART receiver is disabled so no further data will be transferred to the host computer Debugger UART transmitter will continue to send data that is queued for sen...

Page 10: ...xplicit baud rates CMD SEND_9600 CMD SEND_115200 CMD SEND_460800 USB Level Framing Considerations Sending data from the host to the CDC can be done byte wise or in blocks which will be chunked into 64...

Page 11: ...file starting with CMD ERASE onto the disk By default the CURIOSITY drive contains several read only files for generating icons as well as reporting status and linking to further information AUTORUN...

Page 12: ...his has no effect Debugger firmware v1 21 or newer CMD 3V3 Sets the target voltage to 3 3V If external power is provided this has no effect Debugger firmware v1 16 or newer CMD 5V0 Sets the target vol...

Page 13: ...amping DGI sources are timestamped as they are captured by the debugger The timestamp counter implemented in the Curiosity Nano debugger increments at 2 MHz frequency providing a timestamp resolution...

Page 14: ...regulator for the target microcontroller ATtiny1627 and its peripherals The voltage from the USB connector can vary between 4 4V to 5 25V according to the USB specification and will limit the maximum...

Page 15: ...ect dashboard tab or programming reading program memory Info There is a simple option to adjust the target voltage with a drag and drop command text file to the board This only supports settings of 0...

Page 16: ...the board Info If an external voltage is applied without pulling the VOFF pin low and an external supply pulls the voltage lower than the monitoring window lower limit target voltage setting 100 mV t...

Page 17: ...debugger will enable the on board voltage regulator when the new condition is detected Note that the PS LED will be blinking rapidly if the target voltage is below 100 mV of the setting but will be l...

Page 18: ...e firmware into the ATtiny1627 Figure 3 7 Target Power Strap Target Power strap top side Tip A 100 mil pin header can be soldered into the Target Power strap J101 footprint for easy connection of an a...

Page 19: ...ware configuration is required to program and debug the same device that is mounted on the board To program and debug a different microcontroller than what is mounted on the board Atmel Studio must be...

Page 20: ...ugging signals must be connected to program and debug external microcontrollers The on board debugger can supply power to the external hardware or use an external voltage as a reference for its level...

Page 21: ...3 6 Connecting External Debuggers Even though there is an on board debugger external debuggers can be connected directly to the ATtiny1627 Curiosity Nano to program debug the ATtiny1627 The on board d...

Page 22: ...Nano 2 3 4 5 6 7 8 1 VDD Ground DATA 2 VDD 3 Ground 4 PGD 5 Unused 6 Unused 7 Unused 8 Unused 1 Unused MPLAB PICkit 4 USB DEBUGGER PS LED NC ID CDC RX CDC TX DBG1 DBG2 VBUS VOFF DBG3 DBG0 GND VTG CURI...

Page 23: ...D CDC RX CDC TX DBG1 DBG2 VBUS VOFF DBG3 DBG0 GND VTG CURIOSITY NANO CAUTION To avoid contention between the external debugger and the on board debugger do not start any programming debug operation wi...

Page 24: ...IN9 TCA0 WO1 PA3 PA3 AIN3 TCA0 WO3 PA4 PA4 AIN4 TCA0 WO4 PA5 PA5 AIN5 PA6 PA6 AIN6 PA7 PA7 AIN7 GND GND PC5 PC5 PC4 PC4 SW0 DEBUGGER ATtiny1627 Analog Debug I2C SPI UART Peripheral Port PWM Power Grou...

Page 25: ...abled on pin PC4 Table 4 2 Mechanical Switch ATtiny1627 Pin Description Shared Functionality PC4 User switch SW0 Edge connector On board debugger 4 2 3 Crystal The ATtiny1627 Curiosity Nano Board has...

Page 26: ...MPLAB Data Visualizer can be used as a front end for the CDC and debug GPIO 4 2 4 1 On Board Debugger Connections The table below shows the connections between the target and the debugger section All...

Page 27: ...ier and revision Tip The Kit Window can be opened in MPLAB X IDE through the menu bar Window Kit Window The same information can be found on the sticker on the bottom side of the PCB Most boards will...

Page 28: ...6 Document Revision History Doc rev Date Comment A 04 2020 Initial document release ATtiny1627 Document Revision History 2020 Microchip Technology Inc User Guide DS40002199A page 28...

Page 29: ...TX 7 1 RX 8 2 SDA 9 3 SCL 10 4 MOSI 11 5 MISO 12 6 SCK 13 7 SS 14 GND 15 0 TX 16 1 RX 17 DBG3 32 DBG0 31 GND 30 VCC 29 PWM 3 24 ADC 2 23 ADC 1 22 ADC 0 21 GND 20 3 19 2 18 ADC 7 28 ADC 6 27 ADC 5 26 P...

Page 30: ...GGER TESTPOINTs DBG2_CTRL VOFF CDC_RX_CTRL 47k R109 DBG1 CDC_TX_CTRL CDC_RX_CTRL SWCLK REG_ADJUST DBG2_GPIO DBG3_CTRL DBG2_CTRL DBG3 1k R110 VBUS_ADC DMN65D8LFB 1 2 3 Q101 ID_SYS VOFF 1k R112 VCC_P3V3...

Page 31: ...0 5 P A J 1 0 2 0 4 P A J 1 0 2 0 3 P A J 1 0 2 0 2 P A J 1 0 2 0 1 C O J 1 0 2 P A J 1 0 5 0 1 1 P A J 1 0 5 0 1 0P A J 1 0 5 0 8 P A J 1 0 5 0 9 P A J 1 0 5 0 7 P A J 1 0 5 0 6 P A J 1 0 5 0 1 P A...

Page 32: ...0 WO4 PA5 PA5 AIN5 PA6 PA6 AIN6 PA7 PA7 AIN7 GND GND PC5 PC5 PC4 PC4 SW0 DEBUGGER ATtiny1627 Analog Debug I2C SPI UART Peripheral Port PWM Power Ground Shared pin ATtiny1627 Curiosity Nano 1 AN PWM RS...

Page 33: ...supply strap will disconnect the on board power supply Tip Any connection that is cut can be reconnected using solder Alternatively a 0 0402 resistor can be mounted Tip When the debugger is disconnec...

Page 34: ...g 1 Make sure you have opened the project you want to configure Open the OPTIONS dialog for the project 2 In the category General Options select the Target tab Select the device for the project or if...

Page 35: ...Figure 7 7 Select Target Device Figure 7 8 Select Debugger ATtiny1627 Appendix 2020 Microchip Technology Inc User Guide DS40002199A page 35...

Page 36: ...Figure 7 9 Configure Interface ATtiny1627 Appendix 2020 Microchip Technology Inc User Guide DS40002199A page 36...

Page 37: ...available through the website at www microchip com support Microchip Devices Code Protection Feature Note the following details of the code protection feature on Microchip devices Microchip products...

Page 38: ...Plus ProASIC Plus logo Quiet Wire SmartFusion SyncWorld Temux TimeCesium TimeHub TimePictra TimeProvider Vite WinPath and ZL are registered trademarks of Microchip Technology Incorporated in the U S...

Page 39: ...China Xiamen Tel 86 592 2388138 China Zhuhai Tel 86 756 3210040 India Bangalore Tel 91 80 3090 4444 India New Delhi Tel 91 11 4160 8631 India Pune Tel 91 20 4121 0141 Japan Osaka Tel 81 6 6152 7160 J...

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