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LED1642GWTTR датащи(PDF) 25 Page - STMicroelectronics

номер детали LED1642GWTTR
подробное описание детали  16 channel LED driver with error detection current gain control
PDF  42 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LED1642GWTTR датащи(HTML) 25 Page - STMicroelectronics

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LED1642GW
Configuration register
42
8.6
SDO delay (CFG-13)
Usually in SDO terminal, data are shifted out the rising edge of CLK signal (with a
propagation delay of about 15 ns - signal (a) in Figure 21). The device has the possibility to
shift data out the falling edge of the CLK signal (with few ns of propagation delay - signal (b)
in Figure 21). This feature is active when CFG -13 bit of the configuration register is "1".
Default setting for this bit is "0" hence the SDO delay is not activated by default. This feature
is particularly useful when some devices are connected in daisy chain configuration with
mismatched propagation delays, between CLK and SDO data path (board routing).
Figure 17. Output TON (current rise time) CFG -
12 = CFG - 11 = 0
Figure 18. Output TOFF (current fall time) CFG -
2 = CFG - 11 = 0
AM13698V1
AM13699V1
Figure 19. Output TON (current rise time) CFG -
12 = CFG - 11 = 1
Figure 20. Output TOFF (current fall time) CFG -
12 = CFG - 11 = 1
AM13700V1
AM13701V1



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