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LED1642GWXTTR データシート(PDF) 22 Page - STMicroelectronics

部品番号 LED1642GWXTTR
部品情報  16 channel LED driver with error detection current gain control
PDF  42 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LED1642GWXTTR データシート(HTML) 22 Page - STMicroelectronics

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Configuration register
LED1642GW
22/42
DocID024395 Rev 6
Figure 11. Error detection action sequence
Figure 12. Error detection power-on timing
AM13696V1
Normal detection sequence
Read error detection result on
SDO in 16 clock pulses after
detection end command
Turn on LED by PWCLK
pulses for at least 1 µs
Send open, short or combined
error detection start command
by LE digital keys
Select LED to be turned on and
checked in switch register
data; brightness for selected
channels cannot be zero.
Select normal error detection mode
on CFG register (bit 7 = “0”)
Send error detection end
command by LE digital key
AM13697V1
0.5us
Det.
End
Det.
Start
It must contain 1us output power ON
1us
SPI pattern
Output Current
x0000 < BRT < xFFFF



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