F103_48 APP
===========

Platform summary
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* MCU family: STM32F103
* Package: 48 pins
* Branch: APP
* Platform identifier: ``F103_48_APP``

Key observations
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This platform uses a reduced hardware footprint compared with the F105 platforms.
The current uploaded APP platform file shows:

* reduced UART mapping set;
* reduced SDI port availability in comparison with the 8-port logical model;
* DS1307 selected as RTC path;
* BluePill-specific pin assignments and flash layout.

Primary sources
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The APP platform file and main file used for this description were provided in the conversation. fileciteturn2file0 fileciteturn2file4