IS2083 Getting Started

The IS2083 series is an 8051 based device from Microchip that is designed for low power Bluetooth applications.

J-Link support

J-Link supports the Microchip IS2083 series devices. For an overview which min. hardware of J-Link is required for support, please refer to the feature overview.

Hardware connection to BM83 EVB

J-Link uses the Microchip 2-wire JTAG protocol to communicate with the IS2083 MCU. This protocol specifies the following pins which are all mandatory to connect:

• RESET (mandatory to enable 2-wire JTAG protocol on the IS2083)
• VTref (used as reference voltage by J-Link to adapt to different CPU operating voltages)
• GND
• bi-directional data pin
• clock (provided by J-Link)

On the BM8x EVB connector J301 is used to connect J-Link to the IS2083 MCU.

We recommend to use the J-Link Microchip 2-Wire JTAG TDI Adapter to connect J-Link to J301.

J301 pin	J-Link pin
1	15 (RESET, blue)
2	1 (VTref, red)
3	4 (GND, black)
4	5 (TDI, green)
5	9 (TCK, yellow)

Verifying connection with J-Link Commander

J-Link Commander (JLink.exe from the J-Link package) can be used to verify the connection between J-Link and the IS2083 device.

• Download the J-Link IS2083 package: Download
• Start J-Link Commander (JLink.exe)

Supported IDEs and debuggers

Currently, the IS2083 is only supported in J-Link Commander and Keil uVision for PK51. Other utilities (J-Flash, ...) / IDEs etc. do not support this device series.

Debugging with Keil C51 tools

Setup

• Download and install Keil C51/PK51 tools V9.59 or later: Download
• Download the latest J-Link software from our website (to make sure that the USB drivers etc. are installed): Download
• Download the J-Link IS2083 Keil package: JLinkIS2083_6.44.4.zip
• Make sure uVision is NOT started before continuing
• Go to Keil installation directory
  
• Open TOOLS.INI in text editor and add the following line (if TDRV10 already exists, use the next available number/entry):

  TDRV10=BIN\JLinkIS2083.dll ("J-Link / J-Trace IS2083 Driver")
  

  

• Navigate to BIN\
  
• Copy the following files from the J-Link package to this directory:
  • JLinkIS2083.dll
  • JLinkARM.dll
    

Debug session

• Connect to the PC
• Wait until the green LED of J-Link becomes steady and stops blinking
• Download the Microchip BM83 SDK application sample project from Microchip
• Make sure that you followed the initial preparation steps for the BM83x EVB from Microchip (flashing of initial image + DSP config etc.)
• Open project in uVision
• Go to the project options
• Verify that your options look like as follows:
• 'Device' tab:
  
• 'Debug' tab:
  
• Click on 'Settings'
  
• 'Settings' dialog
  
• Connect your target HW to J-Link via J-Link Microchip 2-wire JTAG TDI adapter
• Rebuild the application (Project -> Rebuild all target files)
• Start a debug session by clicking the "debug" symbol (Ctrl + F5)¹
• Happy debugging!

¹ If you are asked if you want to update the J-Link firmware, please hit YES.