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ST7DALIF2 Datasheet(PDF) 95 Page - STMicroelectronics

Part # ST7DALIF2
Description  Configurable watchdog timer
PDF  171 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7DALIF2 Datasheet(HTML) 95 Page - STMicroelectronics

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ST7DALIF2
DALI communication module
95/171
Figure 43.
DALI signal sampling
In the example shown in Figure 44, the DCMCSR[3:0] bits are updated automatically at
each edge trigger (DALI signal change of phase). At the same time the value of the 4-bit
sample clock counter is reset. By reading the DCMCSR[3:0] bits software can detect
changes in the DALI signal pulse length.
DALI Signal
12345678910 11 12 13 14 15 12345678910 11 12 13 14 15
Phase Detector
Shifter Clock
Edge Trigger
4-bit Pre-shifter
001
x
4-bit sample clock counter
16-bit Shifter
xxxx
xxx1



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