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UPC1857ACT датащи(PDF) 16 Page - NEC

номер детали UPC1857ACT
подробное описание детали  SOUND CONTROL IC WITH SURROUND AND I2C BUS
PDF  44 Pages
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производитель  NEC [NEC]
домашняя страница  http://www.nec.com/
Logo NEC - NEC

UPC1857ACT датащи(HTML) 16 Page - NEC

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µµµµPC1857A
3.1.2 Stop condition
Stop condition is made by SDA rising from “Low” to “High” while SCL is “High” as shown in Figure 3-2.
When this stop condition is received, the
µPC1857A stops taking in or outputting data.
Figure 3-2. Start/Stop Condition of Data Transfer
Start
MIN.
Stop
SDA
SCL
3.5 V
4.0 s
1.5 V
3.5 V
1.5 V
MIN.
4.7 s
µ
µ
3.1.3 Data transfer
When transferring data, the data must be changed while SCL is “Low” as shown in Figure 3-3. Never change the
data while SCL is “High”.
Figure 3-3. Data Transfer
Note 1
SDA
Note 2
SCL
Notes 1. Data hold time for I
2C device: 300 ns MIN., Data hold time for CPU: 5
µs MIN.
2. Data setup time: 250 ns MIN.
Remark Clock frequency: 0 to 100 kHz



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