User manual

BOARD LAYOUT
POWER SUPPLY CIRCUIT
MSP430-5438STK can take power from three sources:
– PWR connector where 9 V DC or 6 V AC is applied by external power source.
– +5V_USB from USB DEV
– JTAG, when P_IN jumper is closed. Note that the JTAG has current limitations.
The board power consumption is: about 20 mA with all peripherals and
microcontroller running at full speed.
RESET CIRCUIT
MSP430-5438STK reset circuit includes JTAG connector pin 11, EXT1 pin 3,
MSP430F5438 pin 96 and Reset button.
CLOCK CIRCUIT
Quartz crystal 32768 MHz is connected to MSP430F5438 pin 13(P7.0/XIN) and pin
14 (P7.1/XOUT).
Quartz crystal 18 MHz is connected to MSP430F5438 pin 89 (P5.2/XT2IN) and pin
90 (P5.3/XT2OUT).
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