STP08DP05TTR 데이터 시트보기 (PDF) - STMicroelectronics

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STP08DP05TTR

Low voltage 8-bit constant current LED sink with full outputs error detection

STMicroelectronics 

Detection mode functionality

Figure 18. Detection diagram

STP08DP05

The LEDs status will be detected at least in 1 microsecond and after this time the

microcontroller sets OE\DM2 in HIGH state and the output data detection result will go to the

microprocessor via SDO.

Detection mode and normal mode use both the same format data. As soon as all the

detection data bits are available on the serial line, the device may go back to normal mode

of operation. To re-detect the status the device must go back in normal mode and re-

entering in error detection mode.

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DocID13405 Rev 6

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