PLT Lite

PLT Lite enables programming for GR551x series in mass production, including programming mass production firmware, resources, and Bluetooth addresses to internal/external Flash, setting I/O levels, and calibrating crystals. Users can set mass production information with GRPLT Lite Config Tool. More than one PLT Lite can be connected in cascade, to program and test more than one GR551x SoC.

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Key Features

  • Supports internal and external Flash programming

  • Programs Bluetooth addresses

  • Calibrates crystal oscillator

  • Performs RSSI tests and sets threshold values

  • Provides configurable I/O levels (1.8 V – 3.3 V) for programming

  • Supports multiple PLT Lite connected

  • Provides I2C interface for display

  • Detects programming automatically

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Related SDK & Tools

GRPLT Lite Config Tool

A configuration tool for PLT Lite
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GProgrammer for BLE

A firmware programming tool for GR551x series
Read More


Name Rights Description Version Date
GRPLT Lite Config Tool User Manual For Public V1.3 2022-06-24
GRPLT Lite Config Tool Customized Firmware Encryption Application Note For Public V1.2 2022-06-24
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