DLPC3470 datasheet(34/70 Pages) TI1

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tD1

10%

90%

tD2

VSYNC

Parallel Input

Displayed Pattern

[Frame N] PDATA 23:16

GREEN LED

Illuminator

Trigger Out 1

(Frame Trigger)

Trigger Out 2

(Sub-frame Trigger)

[Frame N+1] PDATA 23:0

[Frame N+2] PDATA 23:0

[Frame N+1] PDATA 23:16

10%

90%

tD1

tD2

VSYNC

Parallel Input

Displayed Pattern

[Frame N]

PDATA 23:16

RED LED

Illuminator

[Frame N]

PDATA 15:8

RED LED

Trigger Out 1

(Frame Trigger)

Trigger Out 2

(Sub-frame Trigger)

[Frame N+1] PDATA 23:0

[Frame N+2] PDATA 23:0

RED LED

[Frame N+1]

PDATA 23:16

[Frame N+1]

PDATA 15:8

tD1

10%

40%

10%

40%

10%

40%

10%

tD2

DLPC3470

DLPS110 – APRIL 2018

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Product Folder Links: DLPC3470

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Figure 16. 2 × 8-bit (Red) Pattern Configurations

•

2 × 8-bit patterns are displayed within each input VSYNC.

•

Pattern is configured for 10% dark time and 90% exposure time for each pattern. Sum of exposure time and

dark time for each pattern is 50% of input frame time. Total exposure time and dark time must be equal to

input frame time.

•

Red LED is configured to be ON for the patterns.

•

TRIG_OUT_1. TRIG_OUT_1 is configured as edge type and active high polarity. TRIG_OUT_1 delay (tD1) is

configured with respect to input VSYNC and is set once per input frame. TRIG_OUT_2.

•

TRIG_OUT_2 is also configured as edge type and active high polarity. TRIG_OUT_2 delay (tD2) is

configured with reference to start of the pattern and is set once per pattern within a frame.

Figure 17 shows a configuration with 1 × 8-bit patterns

Figure 17. 1 × 8-bit (Green) Pattern Configurations

DLPC3470 Datasheet(PDF) 34 Page - Texas Instruments

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