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SPEAR320S 数据表(PDF) 15 Page - STMicroelectronics |
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SPEAR320S 数据表(HTML) 15 Page - STMicroelectronics |
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15 / 113 page  SPEAr320S Device functions Doc ID 022508 Rev 2 15/113 2.6 External memory interface (EMI) SPEAr320S integrates an additional external memory interface that can be used to manage external parallel NOR Flash memories as well as FPGA devices. This interface is available only when Mode 3 (expanded automation mode) chip configuration is selected by software. Main features: ● 24-bit address bus ● 16-bit data bus ● 4 chip select signals ● Support for single asynchronous transfers ● Support for peripherals using Byte Lane procedure The external Flash component must be in read mode at reset. Usually, this is true for most parallel NOR devices. 2.7 USB 2.0 Host ports (UHC) SPEAr320S provides two USB 2.0 Host ports with integrated PHYs. Main features: ● Each port can be independently configured for high-speed mode (USB 2.0, up to 480 Mbps); in this case, the corresponding controller is programmed according to standard EHCI specifications. ● Each port can be independently configured for full-speed mode (USB 1.1, up to 12 Mbps) or low-speed mode (USB 1.1, up to 1.5 Mbps); in this case, the corresponding controller is programmed according to standard OHCI specifications. ● Internal 2 KB FIFO queues ● Internal DMA support ● Dedicated output control signals to manage external power switches ● Dedicated input signals to sense any over-current condition detected by external power switches NAND02GW3A Micron 2 Gb 256 MB x8 2048 + 64 bytes K9F2G08V0A Samsung 2 Gb 256 MB x8 512 + 16 bytes NAND04GW3B2BN6 Micron 4 Gb 512 MB x8 2048 + 64 bytes K9F4G08V0A Samsung 4 Gb 512 MB x8 512 + 16 bytes NAND08GW3B2CN6 Micron 8 Gb 1 GB x8 2048 + 64 bytes K9K8G08V0A Samsung 8 Gb 1 GB x8 512 + 16 bytes K9F8G08V0M Samsung 8 Gb 1 GB x8 512 + 16 bytes Table 2. NAND Flash devices supported by the BootROM firmware (continued) Part number Vendor Density Capacity Bus width Page size |
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