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MSP430F4250IDL Datasheet(PDF) 12 Page - Texas Instruments |
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MSP430F4250IDL Datasheet(HTML) 12 Page - Texas Instruments |
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12 / 63 page ![]() MSP430F42x0 MIXED SIGNAL MICROCONTROLLER SLAS455D − MARCH 2005 − REVISED APRIL 2007 12 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 flash memory The flash memory can be programmed via the JTAG port, the bootstrap loader, or in-system by the CPU. The CPU can perform single-byte and single-word writes to the flash memory. Features of the flash memory include: D Flash memory has n segments of main memory and two segments of information memory (A and B) of 128 bytes each. Each segment in main memory is 512 bytes in size. D Segments 0 to n may be erased in one step, or each segment may be individually erased. D Segments A and B can be erased individually, or as a group with segments 0−n. Segments A and B are also called information memory. D New devices may have some bytes programmed in the information memory (needed for test during manufacturing). The user should perform an erase of the information memory prior to the first use. Segment 0 w/ Interrupt Vectors Segment 1 Segment 2 Segment n-1 Segment n † Segment A Segment B Main Memory Information Memory 32KB 0FFFFh 0FE00h 0FDFFh 0FC00h 0FBFFh 0FA00h 0F9FFh 08400h 083FFh 08200h 081FFh 08000h 010FFh 01080h 0107Fh 01000h 24KB 0FFFFh 0FE00h 0FDFFh 0FC00h 0FBFFh 0FA00h 0F9FFh 0A400h 0A3FFh 0A200h 0A1FFh 0A000h 010FFh 01080h 0107Fh 01000h 16KB 0FFFFh 0FE00h 0FDFFh 0FC00h 0FBFFh 0FA00h 0F9FFh 0C400h 0C3FFh 0C200h 0C1FFh 0C000h 010FFh 01080h 0107Fh 01000h |
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