TMS320VC5505 datasheet(63/141 Pages) TI

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5.3 Electrical Characteristics Over Recommended Ranges of Supply Voltage and Operating

TMS320VC5505

Fixed-Point Digital Signal Processor

www.ti.com

SPRS503A – JUNE 2009 – REVISED JULY 2009

Temperature (Unless Otherwise Noted)

PARAMETER

TEST CONDITIONS (1)

MIN

TYP

MAX

UNIT

Full speed: USB_DN and

2.8

USB_VDDA3P3

USB_DP(2)

High speed: USB_DN and

360

440

USB_DP(2)

VOH

High-level output voltage, 3.3, 2.8,

2.5, 1.8 V I/O (except GPAIN[3:0]

IO = IOH

0.8 * DVDD

pins)

High-level output voltage,

IO = IOH

0.8 * VDDA_ANA

GPAIN[3:1] pins

Full speed: USB_DN and

0.0

0.3

USB_DP(2)

High speed: USB_DN and

–10

USB_DP(2)

Low-level output voltage, 3.3, 2.8,

VOL

2.5, 1.8V I/O (except I2C and

IO = IOL

0.2 * DVDD

GPAIN[3:0] pins)

Low-level output voltage, I2C

VDD > 2 V, IOL = 3 mA

0.4

pins(3)

Low-level output voltage,

IO = IOL

0.2 * VDDA_ANA

GPAIN[3:0] pins

DVDD = 3.3 V

162

VHYS

Input hysteresis(4)

DVDD = 2.5 V

141

DVDD = 1.8 V

122

VLDO

ANA_LDOO voltage

1.24

1.3

1.43

ISD

ANA_LDO shutdown current(5)

ANA_LDOI = VMIN

Input only pin, internal pulldown or pullup disabled

-5

µA

Input current [DC] (except

DVDD = 3.3 V with internal pullup enabled

(7)

-59 to -161

µA

IILPU

(6)

WAKEUP, I2C, and GPAIN[3:0]

DVDD = 2.5 V with internal pullup enabled

(7)

-31 to -93

µA

pins)

DVDD = 1.8 V with internal pullup enabled

(7)

-14 to -44

µA

Input only pin, internal pulldown or pullup disabled

-5

µA

Input current [DC] (except

DVDD = 3.3 V with internal pulldown enabled

(7)

52 to 158

µA

IIHPD

(6)

WAKEUP, I2C, and GPAIN[3:0]

DVDD = 2.5 V with internal pulldown enabled

(7)

27 to 83

µA

pins

DVDD = 1.8 V with internal pulldown enabled

(7)

11 to 35

µA

IIH/

VI = VSS to DVDD with internal pullups and pulldowns

Input current [DC], ALL pins

-5

µA

IIL

disabled.

All Pins (except USB, EMIF, CLKOUT, and

-4

GPAIN[3:0] pins)

DVDD = 3.3 V

-6

EMIF pins

DVDD = 1.8 V

-5

DVDD = 3.3 V

-6

IOH

High-level output current [DC]

CLKOUT pin

DVDD = 1.8 V

-4

DVDD = VDDA_ANA = 1.3 V,

-4

GPAIN[3:1] pins

External Regulator(8)

(GPAIN0 is open-drain

DVDD = VDDA_ANA = 1.3 V,

and cannot drive high)

-100

µA

Internal Regulator(8)

(1)

For test conditions shown as MIN, MAX, or TYP, use the appropriate value specified in the recommended operating conditions table.

(2)

The USB I/Os adhere to the Universal Bus Specification Revision 2.0 (USB2.0 spec).

(3)

VDD is the voltage to which the I2C bus pullup resistors are connected.

(4)

Applies to all input pins except WAKEUP, I2C pins, GPAIN[3:0], RTC_XI, and USB_MXI.

(5)

ISD is the amount of current the LDO is ensured to deliver before shutting down to protect itself.

(6)

II applies to input-only pins and bi-directional pins. For input-only pins, II indicates the input leakage current. For bi-directional pins, II

indicates the input leakage current and off-state (Hi-Z) output leakage current.

(7)

Applies only to pins with an internal pullup (IPU) or pulldown (IPD) resistor.

(8)

When the ANA_LDO supplies VDDA_ANA, it is not recommended to use the GPAIN[3:1] signals for general-purpose outputs (driving high).

The ISD parameter of the ANA_LDO is too low to drive any realistic load on the GPAIN[3:1] pins while also supplying the PLL through

VDDA_PLL and the SAR through VDDA_ANA.

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TMS320VC5505 Datasheet(PDF) 63 Page - Texas Instruments

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