STP16DPS05 datasheet(20/34 Pages) STMICROELECTRONICS

部件名	STP16DPS05

功能描述	Low voltage 16-bit constant current LED Sink driver with outputs error detection

PDF	34 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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20 / 34 page

Detection mode functionality

STP16DPS05

20/34

Doc ID 16538 Rev 2

Figure 19.

Error detection sequence

LE/DM1 and OE/DM2

Key Sequence

necessary to Enter

in EDM

16 CLK pulse are required to

load the data setting 1 into

shift register

The LE/DM1 pulse

latch the data

loaded during the

previous state

During the error

detection are

necessary at least

2 CLK signal plus

oneat the end

Every CLK pulse shows the results of

single Output results:Out15;14; 13 etc. etc

After OE/DM2 signal turn High the

the device from

EDM to Normal

Mode

16 CLK pulse are required to

load the data setting 1 into

shift register

During the error

detection are

necessary at least

2 CLK signal plus

oneat the end

Every CLK pulse shows the results of

single Output results:Out15;14; 13 etc. etc

SDO pin show the results of

Error Detection (Open or

Short in this case)

The OE/DM2 Pulse put

the device from

EDM to Normal

Mode

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