Table 7. Legend/Abbreviations Used In The Pinout Table; Figure 7. Stm32L15Xrc Wlcsp64 Ballout - STMicroelectronics STM32L151QCH6 Manual

Pin descriptions
1. This figure shows the package top view.
Name
Pin name
Pin type
I/O structure
36/133

Figure 7. STM32L15xRC WLCSP64 ballout

Table 7. Legend/abbreviations used in the pinout table

Abbreviation
Unless otherwise specified in brackets below the pin name, the pin function
during and after reset is the same as the actual pin name
S
I
I/O
FT
TC
B
RST Bidirectional reset pin with embedded weak pull-up resistor
DocID026119 Rev 5
STM32L151xC/C-A STM32L152xC/C-A
Definition
Supply pin
Input only pin
Input / output pin
5 V tolerant I/O
Standard 3.3 V I/O
Dedicated BOOT0 pin