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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AN2784 датащи(PDF) 19 Page - STMicroelectronics |
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AN2784 датащи(HTML) 19 Page - STMicroelectronics |
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19 / 31 page  AN2784 Interfacing with a nonmultiplexed, asynchronous 16-bit SRAM Doc ID 14779 Rev 4 19/31 Figure 8. 16-bit SRAM: IS61WV51216BLL connection to STM32F10xxx A firmware example is available within the STM32F10xxx firmware library provided in the FSMC directory at the path: STM32F10x_StdPeriph_Lib\Project\STM32F10x_StdPeriph_Examples\FSMC . The main goal of this example is to provide the basics of how to use the FSMC firmware library and the associate SRAM driver to perform read/write operations on the IS61WV51216BLL SRAM memory mounted on the STM3210E-EVAL board. 3.4 Using the external SRAM as a data memory The external SRAM mapped on the FSMC can be used as a data memory in several applications where a large R/W data memory is required. The configuration steps required to use the external SRAM as a data memory depend on the toolchain and hardware being used. A typical example of such an application is provided within the STM32F10xxx firmware library at the following path: STM32F10x_StdPeriph_Lib\Project\STM32F10x_StdPeriph_Examples\FSMC. This example shows how to use the external SRAM mounted on the STM3210E-EVAL board as a program data memory and, the internal SRAM as stack. For more details on how to use this example with your development toolchain, please refer to the readme file provided within this directory. A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 +3V3 FSMC_NE3 FSMC_NWE FSMC_NOE C2 100nF C1 100nF A0 A17 A18 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 R1 10K +3V3 A4 B4 A3 B3 A2 A5 A1 A4 A0 A3 CE B5 I/O0 B6 I/O1 C5 I/O2 C6 I/O3 D5 VCC D6 VSS D1 I/O4 E5 I/O5 F5 I/O6 F6 I/O7 G6 WE G5 A16 E4 A15 F4 A14 F3 A13 G4 A12 G3 A11 H5 A10 H4 A9 H3 A8 H2 I/O8 B1 I/O9 C1 I/O10 C2 I/O11 D2 VCC E1 I/O12 E2 I/O13 F2 I/O14 F1 I/O15 G1 LB A1 UB B2 OE A2 A7 D4 A6 C4 A5 C3 A17 D3 A18 H1 VSS E6 U1 IS61WV51216BLL-10MLI PE1 PE0 PD5 PD4 PG10 FSMC_NBL0 FSMC_NBL1 PF0 PF12 PD14 PF1 PF2 PF3 PF4 PF5 PF13 PF14 PF15 PG0 PG1 PG2 PG3 PG4 PG5 PD11 PD12 PD13 PD15 PD0 PD1 PE7 PE8 PE9 PE10 PE11 PE12 PE13 PE14 PE15 PD8 PD9 PD10 ai15181 |
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