STM32L443CC datasheet(55/207 Pages) STMICROELECTRONICS

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STM32L443CC STM32L443RC STM32L443VC

Pinouts and pin description

Table 12. Legend/abbreviations used in the pinout table

Name

Abbreviation

Definition

Pin name

Unless otherwise specified in brackets below the pin name, the pin function during and after

reset is the same as the actual pin name

Pin type

Supply pin

Input only pin

I/O

Input / output pin

I/O structure

5 V tolerant I/O

3.6 V tolerant I/O

RST

Bidirectional reset pin with embedded weak pull-up resistor

Option for TT or FT I/Os

_f (1)

I/O, Fm+ capable

_l (2)

I/O, with LCD function supplied by VLCD

_u (3)

I/O, with USB function supplied by VDDUSB

_a (4)

I/O, with Analog switch function supplied by VDDA

Notes

Unless otherwise specified by a note, all I/Os are set as analog inputs during and after reset.

functions

Alternate

functions

Functions selected through GPIOx_AFR registers

Additional

functions

Functions directly selected/enabled through peripheral registers

1. The related I/O structures in Table 13 are: FT_f, FT_fa, FT_fl, FT_fla.

2. The related I/O structures in Table 13 are: FT_l, FT_fl, FT_lu.

3. The related I/O structures in Table 13 are: FT_u, FT_lu.

4. The related I/O structures in Table 13 are: FT_a, FT_la, FT_fa, FT_fla, TT_a, TT_la.

Table 13. STM32L443xx pin definitions

Pin Number

Pin functions

Alternate functions

Additional

functions

---

PE2

I/O

FT_l

TRACECK, TSC_G7_IO1,

LCD_SEG38,

SAI1_MCLK_A,

EVENTOUT

---

PE3

I/O

FT_l

TRACED0, TSC_G7_IO2,

LCD_SEG39, SAI1_SD_B,

EVENTOUT

---

PE4

I/O

TRACED1, TSC_G7_IO3,

SAI1_FS_A, EVENTOUT

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