Olimex Starterkit development board with NOKIA3310 graphics LCD, RS232, USB, AUDIO, SD-MMC CARD, Joystick MSP430-5438STK MSP430-5438STK 用户手册
产品代码
MSP430-5438STK
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
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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