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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RM41L232 датащи(PDF) 49 Page - Texas Instruments |
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RM41L232 датащи(HTML) 49 Page - Texas Instruments |
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49 / 108 page  RM41L232 www.ti.com SPNS240A – OCTOBER 2014 – REVISED JUNE 2015 6.9 Flash Memory 6.9.1 Flash Memory Configuration Flash Bank: A separate block of logic consisting of 1 to 16 sectors. Each flash bank normally has a customer-OTP and a TI-OTP area. These flash sectors share input/output buffers, data paths, sense amplifiers, and control logic. Flash Sector: A contiguous region of flash memory which must be erased simultaneously due to physical construction constraints. Flash Pump: A charge pump which generates all the voltages required for reading, programming, or erasing the flash banks. Flash Module: Interface circuitry required between the host CPU and the flash banks and pump module. Note: The memory region from 0x0002_0000 to 0x0003_FFFF is not inherently protected against creating nERROR pin toggles from speculative fetches or from run away code. An MPU region must be used to limit accesses to only the first 128KB of ATCM space (0x0000_0000-0x0001_FFFF). Also, Flash API version 02.01.01 or later should be used to program or erase the flash of this device. Table 6-19. Flash Memory Banks and Sectors SECTOR MEMORY ARRAYS (or BANKS) SEGMENT LOW ADDRESS HIGH ADDRESS NO. 0 8KB 0x0000_0000 0x0000_1FFF 1 8KB 0x0000_2000 0x0000_3FFF 2 8KB 0x0000_4000 0x0000_5FFF 3 8KB 0x0000_6000 0x0000_7FFF 4 8KB 0x0000_8000 0x0000_9FFF 5 8KB 0x0000_A000 0x0000_BFFF BANK0 (128KB)(1) 6 8KB 0x0000_C000 0x0000_DFFF 7 8KB 0x0000_E000 0x0000_FFFF 8 8KB 0x0001_0000 0x0001_1FFF 9 8KB 0x0001_2000 0x0001_3FFF 10 8KB 0x0001_4000 0x0001_5FFF 11 8KB 0x0001_6000 0x0001_7FFF 12 32KB 0x0001_8000 0x0001_FFFF 0 4KB 0xF020_0000 0xF020_0FFF 1 4KB 0xF020_1000 0xF020_1FFF BANK7 (16KB) for EEPROM emulation(2)(3) 2 4KB 0xF020_2000 0xF020_2FFF 3 4KB 0xF020_3000 0xF020_3FFF (1) This Flash bank is 144-bit wide with ECC support. (2) Flash bank7 is an FLEE bank and can be programmed while executing code from flash bank0. It is 72-bit wide with ECC support. (3) Code execution is not allowed from flash bank7. Copyright © 2014–2015, Texas Instruments Incorporated System Information and Electrical Specifications 49 Submit Documentation Feedback Product Folder Links: RM41L232 |
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