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TMS320DM642AZNZ5 Datasheet(PDF) 3 Page - Texas Instruments

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Part # TMS320DM642AZNZ5
Description  Video/Imaging Fixed-Point Digital Signal Processor
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
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1.2.1 Device Compatibility
TMS320DM642
Video/Imaging Fixed-Point Digital Signal Processor
SPRS200L – JULY 2002 – REVISED JANUARY 2007
The VCXO interpolated control (VIC) port provides digital-to-analog conversion with resolution from 9-bits
to up to 16-bits. The output of the VIC is a single bit interpolated D/A output.For more details on the VIC
port, see the TMS320C64x DSP Video Port/VCXO Interpolated Control (VIC) Port Reference Guide
(literature number SPRU629).
The ethernet media access controller (EMAC) provides an efficient interface between the DM642 DSP
core processor and the network. The DM642 EMAC support both 10Base-T and 100Base-TX, or 10
Mbits/second (Mbps) and 100 Mbps in either half- or full-duplex, with hardware flow control and quality of
service (QOS) support. The DM642 EMAC makes use of a custom interface to the DSP core that allows
efficient data transmission and reception.For more details on the EMAC, see the TMS320C6000 DSP
Ethernet Media Access Controller (EMAC) / Management Data Input/Output (MDIO) Module Reference
Guide (literature number SPRU628).
The management data input/output (MDIO) module continuously polls all 32 MDIO addresses in order to
enumerate all PHY devices in the system. Once a PHY candidate has been selected by the DSP, the
MDIO module transparently monitors its link state by reading the PHY status register. Link change events
are stored in the MDIO module and can optionally interrupt the DSP, allowing the DSP to poll the link
status of the device without continuously performing costly MDIO accesses. For more details on the
MDIO, see the TMS320C6000 DSP Ethernet Media Access Controller (EMAC) / Management Data
Input/Output (MDIO) Module Reference Guide (literature number SPRU628).
The I2C0 port on the TMS320DM642 allows the DSP to easily control peripheral devices and
communicate with a host processor. In addition, the standard multichannel buffered serial port (McBSP)
may be used to communicate with serial peripheral interface (SPI) mode peripheral devices.
The DM642 has a complete set of development tools which includes: a new C compiler, an assembly
optimizer to simplify programming and scheduling, and a Windows
® debugger interface for visibility into
source code execution.
The DM642 device is a code-compatible member of the C6000™ DSP platform.
The C64x™ DSP generation of devices has a diverse and powerful set of peripherals.
For more detailed information on the device compatibility and similarities/differences among the DM642
and other C64x™ devices, see the TMS320DM642 Technical Overview (literature number SPRU615).
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TMS320DM642 Video/Imaging Fixed-Point Digital Signal Processor
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