Datasheet

STM8L051F3 Pin description
Doc ID 022985 Rev 1 23/46
4.1 System configuration options
As shown in Table 4: Low density value line STM8L05xxx pin description, some alternate
functions can be remapped on different I/O ports by programming one of the two remapping
registers described in the “ Routing interface (RI) and system configuration controller”
section in the STM8L15xx and STM8L16xx reference manual (RM0031).