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TMS320VC549ZGU-100 Datasheet(PDF) 2 Page - Texas Instruments |
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TMS320VC549ZGU-100 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 63 page TMS320VC549 FIXEDPOINT DIGITAL SIGNAL PROCESSOR SPRS078G − SEPTEMBER 1998 − REVISED OCTOBER 2004 2 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 Table of Contents Revision History 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Description 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pin Assignments 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Signal Descriptions 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . Absolute Maximum Ratings 12 . . . . . . . . . . . . . . . . . . . . Recommended Operating Conditions 12 . . . . . . . . . . . Electrical Characteristics 13 . . . . . . . . . . . . . . . . . . . . . . Parameter Measurement Information 14 . . . . . . . . . . . . Timing Parameter Symbology 14 . . . . . . . . . . . . . . . . . . Signal Transition Reference Points 14 . . . . . . . . . . . . . . Internal Oscillator With External Crystal 15 . . . . . . . . . Divide-By-Two/Divide-By-Four Clock Option 16 . . . . . Multiply-By-N Clock Option 18 . . . . . . . . . . . . . . . . . . . . Memory and Parallel I/O Interface Timing 20 . . . . . . . . SPICE Simulation Results 28 . . . . . . . . . . . . . . . . . . . . . Ready Timing for Externally Generated Wait States 31 HOLD and HOLDA Timing 36 . . . . . . . . . . . . . . . . . . . . . Reset, BIO, Interrupt, and MP/MC Timings 38 . . . . . . . Serial Port Receive Timing 42 . . . . . . . . . . . . . . . . . . . . . Buffered Serial Port Receive Timing 45 . . . . . . . . . . . . . Serial-Port Receive Timing in TDM Mode 49 . . . . . . . . Host-Port Interface Timing 53 . . . . . . . . . . . . . . . . . . . . . Mechanical Data 59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REVISION HISTORY This data sheet revision history highlights the technical changes made to the SPRS078F device-specific data sheet to make it an SPRS078G revision. Scope: Applicable updates to the C5x device family, specifically relating to the C549 device, have been incorpo- rated. Updated the device-specific information supporting the VC549, 8.3-ns, 120 MIPS device, which is now in the production data (PD) state of development. PAGE(S) NO. ADDITIONS/CHANGES/DELETIONS 1 Features: Deleted “(Product Preview Data)” from the “8.3-ns Single-Cycle Fixed-Point Instruction Execution Time (120 MIPS) for 3.3-V Power Supply (2.5-V Core)” feature Deleted NOTE about data for the 8.3-ns, 120 MIPS device being Product Preview data 11 ’549 Signal Descriptions table, IEEE1149.1 TEST PINS: Added “This pin should be pulled high with a separate 4.7-k Ω resistor” to the EMU0 pin DESCRIPTION Added “This pin should be pulled high with a separate 4.7-k Ω resistor” to the EMU1/OFF pin DESCRIPTION 13 Electrical Characteristics Over Recommended Operating Case Temperature Range table: IDD, Supply current, standby, IDLE3 (VC549-120 only): Deleted the TYP value of “170” µA Added the TYP value of “5” mA for “25 °C” TEST CONDITIONS Added the TYP value of “50” mA for “100 °C” TEST CONDITIONS 42 Serial Port Receive Timing section: Timing Requirements Over Recommended Operating Conditions for Serial Port Receive table: Changed the MIN value of “th(FSR), Hold time, FSR after CLKR falling edge” from “4” to “6” ns Changed the MIN value of “tsu(DR), Setup time, DR before CLKR falling edge” from “6” to “4” ns 59 Mechanical Data section: Deleted the “PGE (S−PQFP−G144)” and GGU “(S−PBGA−N144)” mechanical data package diagrams; now an automated merge process Added lead-in sentences for the thermal resistance characteristics table(s) and the “merged” mechanical data packages |
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