Core Module

This tutorial will guide you through some fundamental insights about Core Module.

Block Diagram

GPIO Mapping

The following table lists GPIO mapping to microcontroller (MCU) pins STM32L083CZ:

Pin Signal MCU Pin 5 V Tolerant
1 P0/A0/TXD0 PA0 (10) -
2 P1/A1/RXD0 PA1 (11) Yes
3 P2/A2/TXD1 PA2 (12) Yes
4 P3/A3/RXD1 PA3 (13) Yes
5 P4/A4/DAC0 PA4 (14) -
6 P5/A5/DAC1 PA5 (15) -
7 P6/RTS1 PB1 (19) Yes
8 P7/CTS1 PA6 (16) Yes
9 P8 PB0 (18) Yes
10 P9 PB2 (20) Yes
21 P10/RXD2 PA10 (31) Yes
22 P11/TXD2 PA9 (30) Yes
23 P12/MISO PB14 (27) Yes
24 P13/MOSI PB15 (28) Yes
25 P14/SCLK PB13 (26) Yes
26 P15/CS PB12 (25) Yes
27 P16/SCL1 PB8 (45) Yes
28 P17/SDA1 PB9 (46) Yes

The following electrical limitations apply for GPIO pins:

  • Maximum sink current for any GPIO is 16 mA.

  • Maximum source current for any GPIO is -16 mA.

  • Maximum total output current sunk / sourced by all GPIOs is 90 / -90 mA.

Hardware Schematic Drawing

Core Module schematic drawing can be downloaded by clicking on this link.

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