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EVM_OMAP_L137

EVM_OMAP_L137 - ECE 3551 Microcomputer Systems 1 EVM OMAP...

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ECE 3551  Microcomputer Systems 1 EVM OMAP L137 DSP 6747 + ARM9
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Highlights u Dual Core n 375/456-MHz ARM926EJ-S  RISC MPU n 375/456-MHz C674x VLIW DSP u TMS320C674x Fixed/Floating-Point VLIW  DSP Core u Enhanced Direct-Memory-Access  Controller 3 (EDMA3) u 128K-Byte RAM Shared Memory u Two External Memory Interfaces u Three Configurable 16550 type UART  Modules 2/11/12 Veton K ë puska 2
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Highlights u Two Serial Peripheral Interfaces (SPI) u Multimedia Card (MMC)/Secure Digital  (SD) u Two Master/Slave Inter-Integrated Circuit u One Host-Port Interface (HPI) u USB 1.1 OHCI (Host) With Integrated PHY  (USB1) 2/11/12 Veton K ë puska 3
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Outline 2/11/12 Veton K ë puska 4
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Features 2/11/12 Veton K ë puska 5
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Features u A Texas Instruments OMAP-L137 device with a C674x VLIW DSP  floating point processor and an ARM926EJ-S processor  operating up to 300 Mhz. u 64 Megabytes SDRAM u SPI Boot EEPROM u 2 Port Ethernet Phy/switch u SD/MMC/MMC Plus media card interfaces u TLV320AIC3106 Stereo Codec u USB 1.1 High speed interface u USB2 2.0 Full speed interface u RS-232 Interface 2/11/12 Veton K ë puska 6
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Features u On chip real time clock u Configurable boot load options u 4 user LEDs/4 position user DIP switch u Single voltage power supply (+5V) u Expansion connectors for daughter card use u Embedded JTAG Emulation u 14 Pin TI JTAG/20 Pin ARM JTAG Interfaces 2/11/12 Veton K ë puska 7
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Block Diagram of OMAP L137 2/11/12 Veton K ë puska 8
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OEMAP L137 EVM 2/11/12 Veton K ë puska 9
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OEMAP L137 EVM 2/11/12 Veton K ë puska 10
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Block Diagram of OMAP L137 u SDRAM – Connected to its own  dedicated 32 bit wide bus. u On-board AUC3106 codec allows  the DSP to transmit and receive  analog audio signals. u I2C bus is used for the codec  control interface, while McASP  controls the audio stream. u Signal interfacing is done through a  3.5 mm audio jacks that correspond  to: n Microphone input n Headphone output n Line input, and n Line output. 2/11/12 Veton K ë puska 11
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Block Diagram of OMAP L137 u 4 user LEDs u 4 position DIP switch u On-chip real time clock. u On board multiplexing allows  interfacing with the daughter cards. u +5 V external power supply is used  to power the board.  n On-board switching voltage regulators  provide the CPU core voltage for  peripheral interfacing: u +3.3V  u +1.8V n The boards is held in reset by the on  boards power controller until these  supplies are within operating  specifications. 2/11/12 Veton K ë puska 12 Code Composer Studio communicates with the EVM through an embedded emulator or via the TI 14 pin or ARM 20 pin external JTAG connectors.
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Basic Operation u The EVM is designed to work with: n TI’s Code Composer Studio IDETM, or n MontaVista tool environments.  u Code Composer communicates with the board  through an on board JTAG emulator.  2/11/12 Veton K ë puska 13
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