ST STM32F446 Series User Manual

RM0390 Rev 4 1209/1328
RM0390 USB on-the-go full-speed/high-speed (OTG_FS/OTG_HS)
1264
1. Initialize channel 1
2. Write the first packet for channel 1
3. Along with the last word write, the core writes an entry to the non-periodic request
queue
4. As soon as the non-periodic queue becomes non-empty, the core attempts to send an
OUT token in the current frame
5. Write the second (last) packet for channel 1
6. The core generates the XFRC interrupt as soon as the last transaction is completed
successfully
7. In response to the XFRC interrupt, de-allocate the channel for other transfers
8. Handling non-ACK responses

ST STM32F446 Series Specifications

General

Series	STM32F446
Core	ARM Cortex-M4
Max Clock Frequency	180 MHz
Flash Memory	512 KB
SRAM	128 KB
Operating Voltage	1.7 V to 3.6 V
Communication Interfaces	USART, UART, SPI, I2C, CAN
Operating Temperature	-40°C to +85°C
Package	LQFP, UFBGA, WLCSP