DLPC3479 datasheet(6/61 Pages) TI1

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DLPC3479

DLPS112 – JUNE 2018

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Pin Functions – Board Level Test, Debug, and Initialization (continued)

I/O

DESCRIPTION

NAME

NUMBER

TSTPT_1

R13

Test pin 1 (includes weak internal pulldown) – tri-stated while RESETZ is asserted low.

Sampled as an input test mode selection control approximately 1.5 µs after de-assertion of

RESETZ and then driven as an output.

Normal use: Reserved for test output. Leave open or unconnected for normal use.

Note: Do not apply an external pullup to this pin to avoid putting the DLPC3479 in a test mode.

Without external pullup(2)

Feeds TMSEL(1)

With external pullup(3)

Feeds TMSEL(1)

TSTPT_2

R14

Test pin 2 (includes weak internal pulldown) – tri-stated while RESETZ is asserted low.

Sampled as an input test mode selection control approximately 1.5 µs after de-assertion of

RESETZ and then driven as an output.

Normal use: Reserved for test output. Leave open or unconnected for normal use.

Note: Do not apply an external pullup to this pin to avoid putting the DLPC3479 in a test mode.

Without external pullup(2)

Feeds TMSEL(2)

With external pullup(3)

Feeds TMSEL(2)

TSTPT_3

R15

Test pin 3 (includes weak internal pulldown) – tri-stated while RESETZ is asserted low.

Sampled as an input test mode selection control approximately 1.5 µs after de-assertion of

RESETZ and then driven as an output.

Normal use: Reserved for test output. Leave open or unconnected for normal use.

TSTPT_4

P14

Test pin 4 (includes weak internal pulldown) – tri-stated while RESETZ is asserted low.

Sampled as an input test mode selection control approximately 1.5 µs after de-assertion of

RESETZ and then driven as an output.

Reserved for TRIG_OUT_1 signal (Output)

TSTPT_5

P15

Test pin 5 (includes weak internal pulldown) – tri-stated while RESETZ is asserted low.

Sampled as an input test mode selection control approximately 1.5 µs after de-assertion of

RESETZ and then driven as an output.

Normal use: Reserved for test output. Leave open or unconnected for normal use.

TSTPT_6

N14

Test pin 6 (includes weak internal pulldown) – tri-stated while RESETZ is asserted low.

Sampled as an input test mode selection control approximately 1.5 µs after de-assertion of

RESETZ and then driven as an output.

Normal use: Reserved for test output. Leave open or unconnected for normal use.

Alternative use: None. External logic shall not unintentionally pull this pin high to avoid putting

the DLPC3479 in a test mode.

TSTPT_7

N15

Test pin 7 (includes weak internal pulldown) – tri-stated while RESETZ is asserted low.

Sampled as an input test mode selection control approximately 1.5 µs after de-assertion of

RESETZ and then driven as an output.

Normal use: Reserved for test output. Leave open or unconnected for normal use.

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