ADN4612 데이터 시트보기 (PDF) - Analog Devices
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ADN4612 Datasheet PDF : 76 Pages
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Data Sheet
ADN4612
SPI TIMING SPECIFICATIONS
Table 5.
Parameter1
SCK2
Clock Frequency
SCK Pulse Width
High
Low
DATA (SDO3 and SDI4)
Data Access Time After SCK Falling Edge
Data Setup Time Prior to SCK Rising Edge
Data Hold Time After SCK Rising Edge
CS5
CS to SCK Setup Time
CS to SCK Hold Time
CS to SDO High Impedance
Symbol
Min
fSCK
0
t2
40
t3
40
t4
t5
20
t6
10
t1
10
t7
10
t8
1 Detailed functionality of the SPI interface is described in the SPI Serial Control Interface section.
2 SCK is the SPI serial clock function of the SCK/SCL pin.
3 SDO is the SPI serial data function of the SDO/SDA pin.
4 SDI is the SPI serial data function of the SDI/I2C_A1 pin.
5 CS is the SPI chip select function of the CS/I2C_A0 pin.
SPI Timing Diagram
CS
t1
t2
SCK
SDI
t3
t5
t6
D7 D6 D5 D4 D3 D2 D1 D0 X
X
X
X
X
X
X
SDO
t4
X
X
X
X
X
X
X
X D7 D6 D5 D4 D3 D2 D1
NOTES
1. SDI IS THE SPI SERIAL DATA FUNCTION OF THE SDI/I2C_A1 PIN.
2. SDO IS THE SPI SERIAL DATA FUNCTION OF THE SDO/SDA PIN.
Figure 3. SPI Timing Diagram
Max
10
35
40
t7
X
t8
D0
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
Rev. C | Page 7 of 76
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