MSP430F1611(8MHz)
------------ 
            |----(Buzzer)
            |
            |-- SW1(play, pause)
            |-- SW2(stop)
            |-- SW3(prev)
            |-- SW4(next)
            |-- SW5(vol+) / LED1
            |-- SW6(vol-) / LED2
            |
            |-- LED3
            |-- LED4
            |
            |  RS232C(115200bps/8/n/1/) |~~~~~~|
            |-------\ /-----------------|  PC  |
            |        x                  |      |
            |-------/ \-----------------|______|
            |
            |
            |   ______________
            |--|              |   ______    10BASE-T       ________
            |--| Crystal LAN  |--| RJ45 |-------/\/------ | Server |
            |--| CS8900       |   ~~~~~~                   ~~~~~~~~
            |--|______________|
            |
            |
            |   SPI#1
            |             ___________
            |-----*----->|SCLK       |VS1011e(MP3 Decoder)
            |----*+----->|SI         |
            |<--*++------|SO         |
            |---+++----->|xCS        |
            |--*+++----->|xRESET     |
            |--++++----->|xDS(Bsync) |
            |--++++----->|DREQ       |
            |  ||||       ~~~~~~~~~~~
            |  ||||       ___________
            |  |||*----->|SCLK       |LCD (82x48)
            |  ||*+----->|SI         |
            |--++++----->|xC/D       |
            |--++++----->|xCS        |
            |  `+++----->|xRESET     |
            |   |||       ~~~~~~~~~~~
            |   |||       _______
            |---+++----->|/CS    |MMC/SD Card
            |---++*----->|SCL    |
            |---+*------>|SDin   |
            |<--*--------|SDout  |
            |<-----------|CardDet|
            |             ~~~~~~~
            |        ________
            |-------| Mic in |
            |        ~~~~~~~~
            |        _______________
            |-------| HeadPhone out |
            |        ~~~~~~~~~~~~~~~
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