Module USB v1.2
Description
Module USB v1.2 is a USB driver module in the M5Stack stackable module series, using the MAX3421E chip solution, providing a standard USB interface, supporting USB host and peripheral functions. It is compatible with various USB devices and operating systems, connecting to the system via SPI communication. The board features two DIP switches to adapt to different M5 series hosts, and reserved pins for controlling external devices or reading their status. It also includes a battery holder, enhancing its flexibility and practicality. This device is suitable for smart homes, industrial control, consumer electronics, medical devices, as well as education and research fields.
Features
- Standard USB 2.0 interface
- SPI communication protocol
- GPIO pin expansion (5x input, 5x output)
- Lithium battery holder
- DIP switch for adapting to different hosts
Includes
- 1 x Module USB v1.2
Applications
- USB host/peripheral
Specifications
| Specification | Parameter |
|---|---|
| Chip Model | MAX3421E |
| Supported USB Standard | USB 2.0 |
| Interface Type | SPI |
| Operating Temperature | 0-40°C |
| Product Size | 54.2 x 54.2 x 12.8mm |
| Package Size | 60 x 57 x 17mm |
| Product Weight | 13g |
| Package Weight | 25g |
Schematics
1/1
PinMap
M5-Bus
Switch
The pins marked with
SW in the M5-Bus below can be switched via DIP switches to adapt to different main control devices.| PIN | LEFT | RIGHT | PIN |
|---|---|---|---|
| GND | 1 | 2 | INT (SW) |
| GND | 3 | 4 | |
| GND | 5 | 6 | EN |
| SPI_MOSI | 7 | 8 | |
| SPI_MISO | 9 | 10 | |
| SPI_SCLK | 11 | 12 | 3V3 |
| 13 | 14 | ||
| 15 | 16 | ||
| 17 | 18 | ||
| 19 | 20 | SPI_CS (SW) | |
| 21 | 22 | SPI_CS (SW) | |
| 23 | 24 | SPI_CS (SW) | |
| 25 | 26 | INT (SW) | |
| 27 | 28 | 5V | |
| 29 | 30 |
Model Size
Datasheets
Softwares
Arduino
UiFlow1
Video
- Module USB v1.2 Features and Case Studies
Version Change
| Release Date | Product Changes | Notes |
|---|---|---|
| - | Initial release | / |
| 2023.1 | Driver chip model changed from MAX3421EEHJ+ to MAX3421EETJ+ (not compatible with Core2/CoreS3 hosts) | Version V1.1 |
| 2024.3 | Added DIP switch to adapt to basic/Core2/CoreS3 hosts | Version V1.2 |