TNETV1644ZDU6 datasheet(56/306 Pages) TI1

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TMS320DM6437

Digital Media Processor

SPRS345D – NOVEMBER 2006 – REVISED JUNE 2008

www.ti.com

Table 2-21. DAC [Part of VPBE] Terminal Functions

SIGNAL

TYPE(1)

OTHER(2)(3)

DESCRIPTION

ZWT

ZDU

NAME

NO.

DAC[A:D]

Reference voltage input (0.5 V)

DAC_VREF

N19

V22

A I

(3)

Note: If the DAC peripheral is not being used, for proper device

operation, this pin must be tied directly to VSS.

Output of DAC A

DAC_IOUT_A

P19

V21

A O

Note: If the DAC peripheral is not being used, for proper device

operation, this pin must be left unconnected.

Output of DAC B

DAC_IOUT_B

P18

U22

A O

Note: If the DAC peripheral is not being used, for proper device

operation, this pin must be left unconnected.

Output of DAC C

DAC_IOUT_C

N18

T21

A O

Note: If the DAC peripheral is not being used, for proper device

operation, this pin must be left unconnected.

Output of DAC D

DAC_IOUT_D

N17

T22

A O

Note: If the DAC peripheral is not being used, for proper device

operation, this pin must be left unconnected.

1.8 V Analog I/O power

VDDA_1P8V

P17

V20

(3)

Note: If the DAC peripheral is not being used, for proper device

operation, this pin must be tied directly to VSS.

Analog I/O ground

VSSA_1P8V

P16

U20

GND

(3)

Note: If the DAC peripheral is not being used, for proper device

operation, this pin must be tied directly to VSS.

1.20 V Analog core supply voltage

(-7/-6/-5/-4/-L/-Q6/-Q5/-Q4 devices)

1.05 V Analog core supply voltage

VDDA_1P1V

N15

T20

(3)

(-7/-6/-5/-4/-L/-Q5 devices)

Note: If the DAC peripheral is not being used, for proper device

operation, this pin must be tied directly to VSS.

Analog core ground

VSSA_1P1V

P15

T19

GND

(3)

Note: If the DAC peripheral is not being used, for proper device

operation, this pin must be tied directly to VSS.

External resistor connection for current bias configuration.

This must be connected via a 4 k

Ω resistor to V

SSA_1P8V.

DAC_RBIAS

N16

U21

A I

(3)

Note: If the DAC peripheral is not being used, for proper device

operation, this pin must be tied directly to VSS.

(1)

I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal

(2)

Specifies the operating I/O supply voltage for each signal

(3)

For more information, see the Recommended Operating Conditions table

Device Overview

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