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STP16DPPS05 Datasheet(PDF) 18 Page - STMicroelectronics

Part # STP16DPPS05
Description  Low voltage 16-bit constant current LED sink driver with output error detection and auto power-saving
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STP16DPPS05 Datasheet(HTML) 18 Page - STMicroelectronics

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Error detection mode functionality
STP16DPPS05
18/35
DocID15817 Rev 3
7
Error detection mode functionality
7.1
Phase one: entering error detection mode
From the “normal mode” condition the device can switch to “error mode” by a logic
sequence on the OE/DM2 and LE/DM1 pins, as shown in the following table and diagram:
After these five CLK cycles, the device goes into “error detection mode” and at the rising
edge of the 6th CLK cycle, the SDI data are ready for sampling.
Table 13. Entering error detection mode - truth table
CLK
1°2°3°4°5°
OE/DM2
H
L
HHH
LE/DM1
LLL
H
L
Figure 18. Entering error detection mode - timing diagram
CLK
OE/DM2
LE/DM1



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