Spectrum Digital TMS320DM642, Technical Reference

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2-1
Chapter 2
Board Components
This chapter describes the operation of the major board components on
the TMS320DM642 EVM.
Topic Page
2.1 EMIF Interfaces 2-2
2.1.1 SDRAM Memory Interface 2-2
2.1.2 Flash Memory Interface 2-4
2.1.3 UART Interface 2-5
2.1.4 FPGA Asynchronous Memory Interface 2-5
2.1.5 FPGA Synchronous Memory Interface 2-6
2.1.6 EMIF Buffer/Decoder Control 2-6
2.2 Video Port/McASP Interfaces 2-7
2.2.1 Video Decoder Ports 2-7
2.2.2 Video Encoder Port 2-7
2.2.3 FPGA Video Functions 2-8
2.2.4 AIC23B Interface 2-9
2.2.5 Audio PLL/VCXO Circuit/PLL1708 Clock Generator 2-10
2.3 PCI/HPI/Ethernet Interfaces 2-11
2.3.1 PCI Interface 2-11
2.3.2 PCI EEPROM Interface 2-11
2.3.3 Ethernet Interface 2-12
2.3.4 HPI Interface 2-12
2.4 I
2
C Interface 2-13
2.5 SPDIF Interface 2-13
2.6 Daughter Card Interface 2-14
2.7 Programming the FPGA 2-15
2.8 DM642 Core CPU Clock 2-15
2.9 HDTV Implementation 2-16