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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STA1080 датащи(PDF) 32 Page - STMicroelectronics |
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STA1080 датащи(HTML) 32 Page - STMicroelectronics |
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32 / 127 page  Signal description STA108x, STA109x 32/127 DS13319 Rev 2 3.1.10 Memory interfaces (SDRAM, NAND, NOR) Table 12. Memory signals Name GPIOs Balls DIR Power Domain Description FSMC_ADVn GPIO83 GPIO140(1) W6 U6 O VDD_IO FSMC Address Valid. It indicates that address is valid on SMADQ bus (active low) . FSMC_BLn_0 GPIO88 GPIO145(1) W16 T8 O VDD_IO FSMC Byte Lane 0 enable not. Lower byte lane enable for SRAM memories (active LOW) FSMC_BLn_1 GPIO67 GPIO146(1) W18 U8 O VDD_IO FSMC Byte Lane 1 enable not. Upper byte lane enable for SRAM memories (active LOW) FSMC_BUSYn GPIO79 GPIO100 W2 H3 I VDD_IO FSMC Busy. Busy signal for NAND flash memory (active low). FSMC_CLK GPIO78 V2 O VDD_IO FSMC. Clock for synchronous SRAM and NOR access. FSMC_DACK GPIO80 V3 I VDD_IO FSMC. External DMA transfer request acknowledge. FSMC_DREQ GPIO79 W2 O VDD_IO FSMC. External DMA transfer request. FSMC_NAND_CS0N GPIO105 J4 O VDD_IO FSMC. NAND chip select 256MB address space from 0xC000000 to 0xCFFFFFFF. FSMC_NOR_CS0N GPIO69 GPIO144(1) U19 U3 O VDD_IO FSMC. NOR/SRAM chip select 0. 64MB address space from 0x80000000 to 0x83FFFFFF. FSMC_NOR_CS1N GPIO86 GPIO149(1) V7 P6 O VDD_IO FMSC. NOR/SRAM chip select 1. 64MB address space from 0x84000000 to 0x87FFFFFF. FSMC_OEn GPIO70 GPIO101 T19 H4 O VDD_IO FSMC. Output enable signal (active low). FSMC_RSTn GPIO73 W4 O VDD_IO FSMC. Reset signal for NOR-Flash Memories (active LOW). This signal is an output and is used to reset or control the power-down of the flash memory devices. FSMC_SMAD0 GPIO68 U18 O VDD_IO FSMC. Address line 0. FSMC_SMAD1 GPIO104 J3 O VDD_IO FSMC. Address line 1. FSMC_SMAD10 GPIO77 V1 O VDD_IO FSMC. Address line 10. FSMC_SMAD11 GPIO51 W7 O VDD_IO FSMC. Address line 11. FSMC_SMAD12 GPIO50 V8 O VDD_IO FSMC. Address line 12. FSMC_SMAD13 GPIO54 W8 O VDD_IO FSMC. Address line 13. FSMC_SMAD14 GPIO64 V9 O VDD_IO FSMC. Address line 14. |
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