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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TNETV1647GSTZWT 데이터시트(PDF) 137 Page - Texas Instruments |
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TNETV1647GSTZWT 데이터시트(HTML) 137 Page - Texas Instruments |
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137 / 236 page  TMS320DM6441 www.ti.com SPRS359E – SEPTEMBER 2006 – REVISED AUGUST 2010 6.10 External Memory Interface (EMIF) DM6441 supports several memory and external device interfaces, including: • Asynchronous EMIF (EMIFA) for interfacing to NOR Flash, SRAM, etc. • NAND Flash • Memory Stick/Memory Stick PRO • ATA/CF 6.10.1 Asynchronous EMIF (EMIFA) The DM6441 Asynchronous EMIF (EMIFA) provides an 8-bit or 16-bit data bus, an address bus width up to 24-bits, and four dedicated chip selects, along with memory control signals. These signals are multiplexed between three peripherals: • EMIFA and NAND interfaces • ATA/CF • Host Port Interface 6.10.1.1 NAND (NAND, SmartMedia, xD) The EMIFA interface provides both the asynchronous EMIF and NAND interfaces. Four chip selects are provided and each are individually configurable to provide either EMIFA or NAND support. The NAND features supported are as follows. • NAND flash on up to four asynchronous chip selects. • 8- and 16-bit data bus widths. • Programmable cycle timings. • Performs ECC calculation. • NAND Mode also supports SmartMedia/SSFDC (Solid State Floppy Disk Controller) and xD memory cards • ARM ROM supports booting of the DM6441 ARM processor from NAND flash located at CS2 The memory map for EMIFA and NAND registers is shown in Table 6-33. For more details on the EMIFA and NAND interfaces, see the TMS320DM644x DMSoC Peripherals Overview Reference Guide (literature number SPRUE19) and the TMS320DM644x DMSoC Asynchronous External Memory Interface (EMIF) Reference Guide (literature number SPRUE20). Copyright © 2006–2010, Texas Instruments Incorporated Peripheral and Electrical Specifications 137 Submit Documentation Feedback Product Folder Link(s): TMS320DM6441 |
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