TMS320VC5402 datasheet(36/72 Pages) TI1

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TMS320VC5402

FIXEDPOINT DIGITAL SIGNAL PROCESSOR

SPRS079G − OCTOBER 1998 − REVISED OCTOBER 2008

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

electrical characteristics over recommended operating case temperature range (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VOH

High-level output voltage

IOH = MAX

2.4

VOL

Low-level output voltage

IOL = MAX

0.4

IIZ

Input

current

for

outputs

high

D[15:0], HD[7:0]

Bus holders enabled, DVDD = MAX,

VI = VSS to DVDD

−175

175

µA

IIZ

outputs

high

impedance

All other inputs

DVDD = MAX, VO = VSS to DVDD

−5

µA

X2/CLKIN}

−40

TRST

With internal pulldown

−5

300

Input current

HPIENA

With internal pulldown

(VI = VSS

to DV

)

−5

300

µA

Input current

TMS, TCK, TDI, HPIw

With internal pullups,

HPIENA = 0

(VI = VSS

to DVDD)

−300

µA

All other input-only pins

−5

All other input-only pins

−5

IDDC

Supply current, core CPU

CVDD = 1.8 V, fclock = 100 MHz¶, TC = 25°C#

IDDP

Supply current, pins

DVDD = 3.3 V, fclock = 100 MHz¶, TC = 25°C||

IDD

Supply current,

standby

IDLE2

PLL

× 1 mode, 100 MHz input

IDD

Supply current,

standby

IDLE3

Divide-by-two mode, CLKIN stopped

µA

Input capacitance

Output capacitance

† All values are typical unless otherwise specified.

‡ All revisions of the 5402 can be operated with an external clock source, provided that the proper voltage levels be driven on the X2/CLKIN pin.

It should be noted that the X2/CLKIN pin is referenced to the device 1.8V power supply (CVdd), rather than the 3V I/O supply (DVdd). Refer to

the recommended operating conditions section of this document for the allowable voltage levels of the X2/CLKIN pin.

§ HPI input signals except for HPIENA.

¶ Clock mode: PLL × 1 with external source

# This value represents the current consumption of the CPU, on-chip memory, and on-chip peripherals. Conditions include: program execution

from on-chip RAM, with 50% usage of MAC and 50% usage of NOP instructions. Actual operating current varies with program being executed.

|| This value was obtained using the following conditions: external memory writes at a rate of 20 million writes per second, CLKOFF=0, full-duplex

operation of McBSP0 and McBSP1 at a rate of 10 million bits per second each, and 15-pF loads on all outputs. For more details on how this

calculation is performed, refer to the Calculation of TMS320C54x Power Dissipation Application Report (literature number SPRA164).

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