AZ01 USB

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

Dimension

Item Description
Dimension   W23×D20.9×H4.7mm

USB-UART conversion

Item Description
Part Number FT232RQ
USB USB 2.0 Full Speed
Data transfer rates 300 baud to 3 Mbaud

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

Pinassign

Tips

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

Revision history

  • Rev A1.0: First edition, August 2019

Last modified 28.12.2020