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MSP430FW427 Header Board, JTAG, 32kB Flash, 1kB RAM US$27.93

MSP430-HW427
MSP430FW427 Header Board, JTAG, 32kB Flash, 1kB RAM


MSP430FW427 Header Board Features

  • MSP430FW427 MCU with 32 kBytes Program Flash, 256 Bytes data Flash, 1 kByte RAM
  • MSP430-JTAG connector (top)
  • JTAG Power_In and Power_Out jumpers
  • 32.768 kHz oscillator crystal
  • Socket for optional high-frequency crystal
  • TEST pin pull-down
  • RST/NMI pin pull-up
  • Power supply filtering capacitor
  • Extension headers for each uC pin
  • PCB: FR-4, 1.5 mm (0.062"), green soldermask, white silkscreen component print
  • Dimensions: 48 x 48 mm (1.9 x 1.9")
  • Space between the pin rows: 43.18 mm (1.7")

JTAG Power_In and Power_Out Jumpers

The Power_In jumper (P_IN) connects the power supply from the JTAG connector to the MSP430FW427. When this jumper is placed, you can program the microcontroller on the board without any other external supply. Note that if the MSP430FW427 board is plugged into another target board, you must ensure that this circuit doesn't draw more than a few milliamperes, due to the JTAG port current limitations. Power_In is useful to program your board when it is used standalone and not plugged into another target board.

The Power_Out jumper (P_OUT) connects power from the MSP430FW427 board to the JTAG connector. When this jumper is placed, the power supply of the JTAG debugger/programmer will follow the power supply of the header board. This is useful when your board is plugged into an additional target board that draws a higher current or works at an operating voltage lower than +3.3V.

Note: Never place both the P_IN and P_OUT jumpers at the same time. Always make sure only one jumper is closed.

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This product was added to our catalog on Tuesday 13 February, 2007.

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