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RDA8810PL » History » Version 4

2ftg, 01/14/2020 04:39 AM

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h1. RDA8810PL
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* There is a 9 page "datasheet":https://www.openhacks.com/uploadsproductos/2016030304473558.pdf which tells us that the main application core is an 1GHz Cortex-A5 core. 
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But that the modem includes a "RDA RISC Core 32x32 bits" cores. One for the System CPU (referred to as XCUP) and Baseband CPU (referred to as BCPU). 
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* A partial pinout for this SoC can be found in the Orange Pi i96 released "schematic":http://www.orangepi.org/downloadresources/orangepii96/orangepii96_3c9e209eded97477a3eeb9b7.html as it also uses the RDA8810PL SoC, while omitting GSM and GPRS RF hardware. 
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* A cross-compiling environment from RDA Micro can be found in the archive "Orange Pi 2G-IoT Android SDK Source":http://www.orangepi.org/downloadresources/orangepi2G-IoT/orangepi2G-IoT_b3069c701423db96ba1ac.html in it's root one can find "modem-cross-compiler-linux.tar.gz" and the "modem" folder with some stuff. 
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So it might be possible to write and compile our own code for the baseband processors and then build usable images for flashing the baseband with them. 
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