TMS320VC549 datasheet(2/63 Pages) TI

2 / 63 page

TMS320VC549

FIXEDPOINT DIGITAL SIGNAL PROCESSOR

SPRS078G − SEPTEMBER 1998 − REVISED OCTOBER 2004

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

Table of Contents

Revision History

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Description

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pin Assignments

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Signal Descriptions

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Absolute Maximum Ratings

. . . . . . . . . . . . . . . . . . . .

Recommended Operating Conditions

. . . . . . . . . . .

Electrical Characteristics

. . . . . . . . . . . . . . . . . . . . . .

Parameter Measurement Information

. . . . . . . . . . . .

Timing Parameter Symbology

. . . . . . . . . . . . . . . . . .

Signal Transition Reference Points

. . . . . . . . . . . . . .

Internal Oscillator With External Crystal

. . . . . . . . .

Divide-By-Two/Divide-By-Four Clock Option

. . . . .

Multiply-By-N Clock Option

. . . . . . . . . . . . . . . . . . . .

Memory and Parallel I/O Interface Timing

. . . . . . . .

SPICE Simulation Results

. . . . . . . . . . . . . . . . . . . . .

Ready Timing for Externally Generated Wait States 31

HOLD and HOLDA Timing

. . . . . . . . . . . . . . . . . . . . .

Reset, BIO, Interrupt, and MP/MC Timings

. . . . . . .

Serial Port Receive Timing

. . . . . . . . . . . . . . . . . . . . .

Buffered Serial Port Receive Timing

. . . . . . . . . . . . .

Serial-Port Receive Timing in TDM Mode

. . . . . . . .

Host-Port Interface Timing

. . . . . . . . . . . . . . . . . . . . .

Mechanical Data

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

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

’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

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

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

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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