KSZ8851SNL-BBE-EVAL Micrel Inc, KSZ8851SNL-BBE-EVAL Datasheet - Page 73

• Manufacturer Part Number: KSZ8851SNL-BBE-EVAL
• Description: BOARD EVAL MAC/PHY FOR KSZ8851
• Manufacturer: Micrel Inc
• Series: LinkMD®r

Specifications of KSZ8851SNL-BBE-EVAL

• Design Resources: BeagleBoard Zippy2
• Main Purpose: Interface, Ethernet Controller (PHY and MAC)
• Embedded: No
• Utilized Ic / Part: KSZ8851SNL
• Primary Attributes: 1 Port, 100BASE-TX/10BASE-T
• Secondary Attributes: SPI Interface, LinkMD Cable Diagnostics
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-3602; KSZ8851SNL-BBE-EVL; ZIPPY2

Timing Specifications
SPI Input and Output Timing
August 2009
Micrel, Inc.
SCLK
SCLK
Symbol
fSCLK
t1
t2
t3
t4
t5
t6
(note)
t7
Note: The last SI data falling edge of SCLK starts output data on SO from KSZ8851SNL
CSN
CSN
SO
SO
SI
SI
Parameter
SPI Clock Frequency
CSN active setup time
SI data input setup time
SI data input hold time
CSN active hold time
CSN disable high time
SCLK falling edge to SO data output valid
CSN inactive to SO data output invalid
LSB in
t1
t2
t 6
MSB bit
Table 16. SPI Data Input and Output Timing Parameters
MSB bit
t3
1/fSCLK
Figure 16. SPI Interface Data Output Timing
1 / fSCLK
Figure 15. SPI Interface Data Input Timing
Don’t Care
High Impedance
73
Min
7.5
LSB bit
8
3
3
8
8
Typ
LSB bit
t4
Max
t7
40
9
1
t 5
t5
KSZ8851SNL/SNLI
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
M9999-083109-2.0