Datasheet
MSP430F23x
MSP430F24x(1)
MSP430F2410
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SLAS547I –JUNE 2007–REVISED DECEMBER 2012
Memory Organization
Table 12. Memory Organization
MSP430F249
MSP430F233 MSP430F235
MSP430F2491
Memory Size 8KB 16KB 60KB
Main: interrupt vector Flash 0xFFFF to 0xFFC0 0xFFFF to 0xFFC0 0xFFFF to 0xFFC0
Main: code memory Flash 0xFFFF to 0xE000 0xFFFF to 0xC000 0xFFFF to 0x1100
RAM (Total) Size 1KB 2KB 2KB
0x05FF to 0x0200 0x09FF to 0x0200 0x09FF to 0x0200
Information memory Size 256 Byte 256 Byte 256 Byte
Flash 0x10FF to 0x1000 0x10FF to 0x1000 0x10FF to 0x1000
Boot memory Size 1KB 1KB 1KB
ROM 0x0FFF to 0x0C00 0x0FFF to 0x0C00 0x0FFF to 0x0C00
RAM Size 1KB 2KB 2KB
0x05FF to 0x0200 0x09FF to 0x0200 0x09FF to 0x0200
Peripherals 16 bit 0x01FF to 0x0100 0x01FF to 0x0100 0x01FF to 0x0100
8 bit 0x00FF to 0x0010 0x00FF to 0x0010 0x00FF to 0x0010
SFR 0x000F to 0x0000 0x000F to 0x0000 0x000F to 0x0000
MSP430F247 MSP430F248
MSP430F2410
MSP430F2471 MSP430F2481
Memory Size 32KB 48KB 56KB
Main: interrupt vector Flash 0xFFFF to 0xFFC0 0xFFFF to 0xFFC0 0xFFFF to 0xFFC0
Main: code memory Flash 0xFFFF to 0x8000 0xFFFF to 0x4000 0xFFFF to 0x2100
RAM (total) Size 4KB 4KB 4KB
0x20FF to 0x1100 0x20FF to 0x1100 0x20FF to 0x1100
Extended Size 2KB 2KB 2KB
0x20FF to 0x1900 0x20FF to 0x1900 0x20FF to 0x1900
Mirrored Size 2KB 2KB 2KB
0x18FF to 0x1100 0x18FF to 0x1100 0x18FF to 0x1100
Information memory Size 256 Byte 256 Byte 256 Byte
Flash 0x10FF to 0x1000 0x10FF to 0x1000 0x10FF to 0x1000
Boot memory Size 1KB 1KB 1KB
ROM 0x0FFF to 0x0C00 0x0FFF to 0x0C00 0x0FFF to 0x0C00
RAM (mirrored at Size 2KB 2KB 2KB
0x18FF to 0x1100) 0x09FF to 0x0200 0x09FF to 0x0200 0x09FF to 0x0200
Peripherals 16 bit 0x01FF to 0x0100 0x01FF to 0x0100 0x01FF to 0x0100
8 bit 0x00FF to 0x0010 0x00FF to 0x0010 0x00FF to 0x0010
SFR 0x000F to 0x0000 0x000F to 0x0000 0x000F to 0x0000
Bootstrap Loader (BSL)
The MSP430 bootstrap loader (BSL) enables users to program the flash memory or RAM using a UART serial
interface. Access to the MSP430 memory via the BSL is protected by user-defined password. For complete
description of the features of the BSL and its implementation, see the MSP430 Programming Via the Bootstrap
Loader User’s Guide (SLAU319).
Table 13. BSL Function Pins
BSL FUNCTION PM, RGC PACKAGE PINS
Data transmit 13 - P1.1
Data receive 22 - P2.2
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:
• Flash memory has n segments of main memory and four segments of information memory (A to D) of
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