STM32F405 datasheet(37/204 Pages) STMICROELECTRONICS

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DS8626 Rev 9

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STM32F405xx, STM32F407xx

Description

The STM32F407xx includes the following features:

•

Supports 10 and 100 Mbit/s rates

•

Dedicated DMA controller allowing high-speed transfers between the dedicated SRAM

and the descriptors (see the STM32F40xxx/41xxx reference manual for details)

•

Tagged MAC frame support (VLAN support)

•

Half-duplex (CSMA/CD) and full-duplex operation

•

MAC control sublayer (control frames) support

•

32-bit CRC generation and removal

•

Several address filtering modes for physical and multicast address (multicast and

group addresses)

•

32-bit status code for each transmitted or received frame

•

Internal FIFOs to buffer transmit and receive frames. The transmit FIFO and the

receive FIFO are both 2 Kbytes.

•

Supports hardware PTP (precision time protocol) in accordance with IEEE 1588 2008

(PTP V2) with the time stamp comparator connected to the TIM2 input

•

Triggers interrupt when system time becomes greater than target time

2.2.29

Controller area network (bxCAN)

The two CANs are compliant with the 2.0A and B (active) specifications with a bitrate up to 1

Mbit/s. They can receive and transmit standard frames with 11-bit identifiers as well as

extended frames with 29-bit identifiers. Each CAN has three transmit mailboxes, two receive

FIFOS with 3 stages and 28 shared scalable filter banks (all of them can be used even if one

CAN is used). 256 bytes of SRAM are allocated for each CAN.

2.2.30

Universal serial bus on-the-go full-speed (OTG_FS)

The STM32F405xx and STM32F407xx embed an USB OTG full-speed device/host/OTG

peripheral with integrated transceivers. The USB OTG FS peripheral is compliant with the

USB 2.0 specification and with the OTG 1.0 specification. It has software-configurable

endpoint setting and supports suspend/resume. The USB OTG full-speed controller

requires a dedicated 48 MHz clock that is generated by a PLL connected to the HSE

oscillator. The major features are:

•

Combined Rx and Tx FIFO size of 320 × 35 bits with dynamic FIFO sizing

•

Supports the session request protocol (SRP) and host negotiation protocol (HNP)

•

4 bidirectional endpoints

•

8 host channels with periodic OUT support

•

HNP/SNP/IP inside (no need for any external resistor)

•

For OTG/Host modes, a power switch is needed in case bus-powered devices are

connected

STM32F405 数据表(PDF) 37 Page - STMicroelectronics

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