Intel C2338 FH8065501516761 Hoja De Datos
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FH8065501516761
Volume 3—Signal Electrical and Timing Characteristics—C2000 Product Family
Serial Peripheral Interface (SPI) Bus Interface
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 3 of 3
September 2014
664
Order Number: 330061-002US
33.12
Serial Peripheral Interface (SPI) Bus Interface
33.12.1
DC Specifications
contains the DC specifications for the SPI interface signals. These signals
are in the 3.3V SUS power well of the SoC.
• SPI_MISO (Input)
• SPI_MOSI (Input / Output)
• SPI_CLK (Output)
• SPI_CS0_B (Output)
• SPI_CS1_B (Output)
• SPI_MOSI (Input / Output)
• SPI_CLK (Output)
• SPI_CS0_B (Output)
• SPI_CS1_B (Output)
33.12.2
Interface Timing Parameters and Waveforms
,
contain the timing specifications for the
SPI interface signals.
Table 33-18. SPI Signal DC Specifications
Symbol
Parameter
Min
Max
Unit
Note
V
IL
Input Low Voltage
–0.3
0.8
V
V
IH
Input High Voltage
2.0
V3P3A+0.3
V
V
OL
Output Low Voltage
–
0.4
V
@ 4 mA
V
OH
Output High Voltage
2.4
V3P3A
V
@ –4 mA
Table 33-19. SPI (33 MHz) Signal Timing Specifications
Symbol
Parameter
Min
Typ
Max
Units
Fig
Notes
t180
Serial Clock Frequency
- 33 MHz Operation
–
33
–
MHz
t183
–5
–
5
ns
t184
6
–
–
ns
t185
0
–
–
ns
t186
30
–
–
ns
t187
30
–
–
ns
t188
14
–
–
ns
t189
14
–
–
ns