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Merge pull request #58 from v01d/README
README: add some more hardware details (evaluation boards and core type)
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@ -43,13 +43,20 @@ BL602 is a 32-bit RISC-V based combo chipset supporting Wi-Fi and BLE (Bluetooth
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Low Energy). The chip is made by `Nanjing-based Bouffalo Lab <https://www.bouffalolab.com/bl602>`_
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Low Energy). The chip is made by `Nanjing-based Bouffalo Lab <https://www.bouffalolab.com/bl602>`_
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for ultra-low-power applications. In terms of price range and feature set, the
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for ultra-low-power applications. In terms of price range and feature set, the
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chip is competing against `Espressif ESP8266 <https://www.espressif.com/en/products/socs/esp8266>`_.
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chip is competing against `Espressif ESP8266 <https://www.espressif.com/en/products/socs/esp8266>`_.
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The RISC-V core is based on `SiFive E24 <https://www.sifive.com/cores/e24>`_.
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At the moment there are mainly three development boards:
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- `PineCone <https://www.pine64.org/2020/10/28/nutcracker-challenge-blob-free-wifi-ble/>`_: USB-C evaluation board by Pine64 (datasheet `here <https://www.cnx-software.com/pdf/schematics/Pine64%20BL602%20EVB%20Schematic%20ver%201.1.pdf>`_), RGB LED, CH340N USB-to-UART chip
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- `Doi.am DT-BL10 <https://www.cnx-software.com/2020/10/25/bl602-iot-sdk-and-5-dt-bl10-wifi-ble-risc-v-development-board/>`_: micro USB
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- `Official BL EVB <https://twitter.com/nnn112358/status/1321289916249235457>`_ (Sipeed early adopter program): mini USB, FTDI chip?
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Comparison with ESP8266
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Comparison with ESP8266
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-----------------------
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-----------------------
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+-------------------+-----------------------------+----------------------------------+
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+-------------------+-----------------------------+----------------------------------+
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| | Bouffalo Lab BL602 | Espressif ESP8266 |
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| | Bouffalo Lab BL602 | Espressif ESP8266 |
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+===================+=============================+==================================+
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+===================+=============================+==================================+
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| Architecture | 32-bit RISC-V | 32-bit Xtensa |
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| Architecture | 32-bit RISC-V (SiFive E24) | 32-bit Xtensa |
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| | @192MHz (dynamic @1-192MHz) | @80MHz (and 160MHz) |
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| | @192MHz (dynamic @1-192MHz) | @80MHz (and 160MHz) |
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