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4.2″‐ST‐GR4200C

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Nic Limper edited this page Sep 3, 2023 · 4 revisions

Specs

  • CC2630 based core, 128kbyte flash, 20kbyte SRAM
  • 4.2” ePaper
  • 2x CR2450 button cell
  • LED at top
Tag Information Note
FCC ID 2AFWN-ST-GR42

Pictures

back front front

Programming

This ESL does not expose an SPI interface on its PAD. The CC2630 is programmable by UART given this is not disabled in the CCFG (Customer Configuration) settings.

To read/write flash you need to pull the 'D/L' pin to low on reset to get the Bootloader. I did so with connecting DTR to D/L and RTS to Reset and then use: https://github.com/wirenboard/wb-cc2652p-flasher to read out the first 128kByte of the address space using an 3.3V USB UART.

   ./cc2538-bsl.py
    CC2630 PG2.3 (7x7mm): 128KB Flash, 20KB SRAM, CCFG.BL_CONFIG at 0x0001FFD8
    Primary IEEE Address: 00:12:4B:DE:AD:BE:EF:D9
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