Datasheet

Functional overview STM32L476xx
58/270 DS10198 Rev 8
The major features are:
• Combined Rx and Tx FIFO size of 1.25 KB with dynamic FIFO sizing
• Supports the session request protocol (SRP) and host negotiation protocol (HNP)
• 1 bidirectional control endpoint + 5 IN endpoints + 5 OUT endpoints
• 12 host channels with periodic OUT support
• HNP/SNP/IP inside (no need for any external resistor)
• USB 2.0 LPM (Link Power Management) support
• Battery Charging Specification Revision 1.2 support
• Internal FS OTG PHY support
For OTG/Host modes, a power switch is needed in case bus-powered devices are
connected.
3.35 Flexible static memory controller (FSMC)
The Flexible static memory controller (FSMC) includes two memory controllers:
• The NOR/PSRAM memory controller
• The NAND/memory controller
This memory controller is also named Flexible memory controller (FMC).
The main features of the FMC controller are the following:
• Interface with static-memory mapped devices including:
– Static random access memory (SRAM)
– NOR Flash memory/OneNAND Flash memory
– PSRAM (4 memory banks)
– NAND Flash memory with ECC hardware to check up to 8 Kbyte of data
• 8-,16- bit data bus width
• Independent Chip Select control for each memory bank
• Independent configuration for each memory bank
• Write FIFO
• The Maximum FMC_CLK frequency for synchronous accesses is HCLK/2.
LCD parallel interface
The FMC can be configured to interface seamlessly with most graphic LCD controllers. It
supports the Intel 8080 and Motorola 6800 modes, and is flexible enough to adapt to
specific LCD interfaces. This LCD parallel interface capability makes it easy to build cost
effective graphic applications using LCD modules with embedded controllers or high
performance solutions using external controllers with dedicated acceleration.
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