Ownership and License

The contributors are listed in CONTRIB.TXT.

Licenses	OSHWA UID

Overview

The EEZ DIB MIO168 module features multiple digital I/O, analog outputs and expansion connectors for carry various AFEs.

Feature list

• On-board STM32F446ZCT6 high-performance foundation line MCU, ARM Cortex-M4 with DSP and FPU, 256 KiB Flash, LQFP-144 package
• 1 x 8-pin single row 3.81 mm connector (digital inputs)
• 1 x 16-pin dual row 3.81 mm I/O connector (digital and analog outputs)
• 2 x 10-pin ADIB 2.0 mm connectors
• 8 x protected digital inputs (3.3/5/24 V), 2 x fast/slow, 6 x slow
• 8 x digital outputs (low-side) with multiple protections, voltage clamp 42V, current limit 10 A
• 2 x PWM outputs (protected) or sensor bias power (+/-15 V, max. 10 mA)
• 2 x analog bipolar outputs (+/-5 V, +/-10 V, 0-5 V, 0-10 V). Voltage or current output with protection. 12-bit DAC, replaceable with pin compatible 14- or 16-bit version
• 2 x analog bipolar outputs +/-10 V. 12-bit DAC, replaceable with pin compatible 14- or 16-bit version
• On-board isolated power supply with +/-5.3 V outputs (with 4x multipliers), +/-15 V and +3.3 V LDO
• Firmware download via SPI
• Optional SWD for debugging
• I2C EEPROM for storing board specific parameters
• Dimensions: 146 x 95 mm, 4-layer PCB

r3B1 prototype 3D model (without AFE installed)

Firmware repository

https://github.com/eez-open/dib-mio168-fw
The firmware download procedure is described in Chapter 13.2 of the User Manual.
The MIO168 module GUI is described in Chapter 19 of the User Manual.

KiCad project (v7 or newer)

• MIO168 r3B1

All symbols, footprints and 3D models used in the project can be found in the EEZ-DIB Library plugin for KiCad.

Bill of materials

• Download as raw file Interactive BOM (ibom.html) and open it locally in your browser.