My slides:
c6x.ppt
Reference guides for Texas Instruments TMSC6x processors:
tms320c6000.pdf (685 pages)
tms320c6000-intro.ps (86 pages)
tms320c62x.pdf (220 pages)
tms320c62x-intro.ps (54 pages)
c6xsim.pdf (8 pages) -- "Cycle Accurate Simulator for TMS320C62x, 8 way VLIW DSP Processor", Vinodh Cuppu -- contains an overview of the architecture.
Auxilliary info:
tms320c6x assembly language guide (pdf) (416 pages)
tms320c6x optimizing compiler guide (pdf) (446 pages)
Getting Started Guide (pdf)