Texas Instruments C5535 DSPShield, Справочник по аппаратуре

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C5535 DSPShield H/W Reference Manual Version 0.1
In Collaboration with Stanford University
page iii
Table of Contents
1 C5535 DSPShield ...................................................................................................... 1
1.1 Key Features ...............................................................................................................1
1.2 DSPShield Architecture..............................................................................................2
1.3 User Control Elements ...............................................................................................3
1.4 DSPShield Application Photos ...................................................................................4
2 Power Management .................................................................................................. 4
2.1 External Power Interface ............................................................................................4
2.2 Internal Voltages ........................................................................................................6
2.3 Voltage Monitoring ....................................................................................................6
2.4 C5535 DSP Core Voltage ...........................................................................................7
3 C5535 DSP and Internal Peripherals ...................................................................... 7
3.1 Parallel and Serial Peripherals ....................................................................................7
3.2 Clock Sources .............................................................................................................8
3.3 ROM Bootloader ........................................................................................................9
3.4 /INT1, /INT0, XF, WAKEUP ..................................................................................10
3.5 USB Controller .........................................................................................................10
3.6 MMC/SDx Controller ...............................................................................................10
3.7 I2C ............................................................................................................................10
4 DSPShield Peripherals............................................................................................ 11
4.1 I2C GPIO Expander .................................................................................................11
4.2 OLED Display ..........................................................................................................14
4.3 TLV320ACI3204 Audio Codec ...............................................................................14
4.4 Micro SD Card Connector ........................................................................................14
4.5 DIP Switch Inputs, LEDs and Push Button Reset ....................................................14
4.6 DSP Expansion Connector .......................................................................................15
5 Emulation................................................................................................................. 16
5.1 FTDI FT2232H .........................................................................................................16
5.2 Power via XDS-USB ................................................................................................17
6 Arduino Interface .................................................................................................... 17
6.1 Arduino/DSPShield Interface Block Diagram .........................................................19
6.1.1 Interface Logic Levels ............................................................................... 19
6.1.2 Analog Inputs ............................................................................................ 20
6.2 Arduino/DSPShield Reset Multiplexing ..................................................................20