AZ01 USB
Features
Section titled “Features”A leaf to connect when writing a sketch to an AVR MCU or using a serial monitor. FTDI’s FT232RQ is mounted as a USB-UART conversion IC. It converts from USB VBUS (5V) to 3.3V with a step-down power supply circuit and supplies VBUS and 3.3V to each leaf.
Specification
Section titled “Specification”Dimension
Section titled “Dimension”| Item | Description |
|---|---|
| Dimension | W23×D20.9×H4.7mm |
USB-UART conversion
Section titled “USB-UART conversion”| Item | Description |
|---|---|
| Part Number | FT232RQ |
| USB | USB 2.0 Full Speed |
| Data transfer rates | 300 baud to 3 Mbaud |
Power Supply
Section titled “Power Supply”| Item | Description |
|---|---|
| Part number | XCL222B331ER-G |
| Output voltage | 3.3V±2% |
| Controlling method | PWM/PFM Automatic switching control |
| Maximum output current | 500mA |
| Protection circuit | Over current protection / thermal shutdown/short-circuit protection |
Block diagram
Section titled “Block diagram”
Pinassign
Section titled “Pinassign”
About micro USB and LED
Section titled “About micro USB and LED”
| Item | Description |
|---|---|
| micro USB | It is used for writing a sketch to the MCU and serial monitoring by connecting a PC.This also converts USB’s VBUS(5V) to 3.3V by using step-down power circuit and provide VBUS and 3.3V to each leaf. |
| LED TX | LED which controlled by FT232RQ. Blinks when program is written by UART TX communication. |
| LED RX | LED which controlled by FT232RQ. Blinks when program is written by UART TX communication. |
Document
Section titled “Document”Revision history
Section titled “Revision history”- Rev A1.0: First edition, August 2019