STM32U595AI datasheet(93/377 Pages) STMICROELECTRONICS

93 / 377 page

DS13633 Rev 1

93/377

STM32U59xxx

Functional overview

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Configurable framing period

–

Configurable end of frame interrupt

•

USB 2.0 link power management (LPM) support

•

Internal DMA with thresholding support and software selectable AHB burst type in DMA

mode

•

Power saving features such as system stop during USB suspend, switch-off of clock

domains internal to the digital core, PHY and DFIFO power management

•

Dedicated RAM of 4 Kbytes with advanced FIFO control:

–

Configurable partitioning of RAM space into different FIFOs for flexible and

efficient use of RAM

–

Each FIFO able to hold multiple packets

–

Dynamic memory allocation

–

Configurable FIFO sizes that are not powers of two to allow the use of contiguous

memory locations

•

Max guaranteed USB bandwidth for up to one frame (1 ms) without system intervention

•

Support of charging port detection as described in Battery Charging Specification

revision 1.2

Host-mode features:

•

External charge pump for VBUS voltage generation

•

Up to 16 host channels (pipes): each channel is dynamically reconfigurable to allocate

any type of USB transfer

•

Built-in hardware scheduler holding:

–

Up to 16 interrupt plus isochronous transfer requests in the periodic hardware

queue

–

Up to 16 control plus bulk transfer requests in the non-periodic hardware queue

•

Management of a shared Rx FIFO, a periodic Tx FIFO and a non periodic Tx FIFO for

efficient usage of the USB data RAM

Peripheral-mode features:

•

1 bidirectional control endpoint0

•

8 IN endpoints (EPs) configurable to support bulk, interrupt or isochronous transfers

•

8 OUT endpoints configurable to support bulk, interrupt or isochronous transfers

•

Management of a shared Rx FIFO and a Tx-OUT FIFO for efficient usage of the USB

data RAM

•

Management of up to 9 dedicated Tx-IN FIFOs (one for each active IN EP) to put less

load on the application

•

Support for the soft disconnect feature

STM32U595AI Datenblatt(PDF) 93 Page - STMicroelectronics

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