Datasheet

ENC28J60
DS39662E-page 82 .  2006-2012 Microchip Technology Inc.
FIGURE 16-1: SPI INPUT TIMING
FIGURE 16-2: SPI OUTPUT TIMING
TABLE 16-6: SPI INTERFACE AC CHARACTERISTICS
Param.
No.
Sym Characteristic Min Max Units Conditions
F
SCK Clock Frequency DC 20 MHz
1T
CSS CS Setup Time 50 — ns
2T
CSH CS Hold Time 10 — ns ETH registers and memory buffer
210 — ns MAC and MII registers
3T
CSD CS Disable Time 50 — ns
4T
SU Data Setup Time 10 — ns
5T
HD Data Hold Time 10 — ns
6TV Output Valid from Clock Low — 10 ns SO Load = 30 pF
7T
DIS Output Disable Time — 10 ns SO Load = 30 pF
TCSS
CS
SCK
SI
SO
T SU T HD
1/FSCK
MSb In
LSb In
High-Impedance
T
CSH
TCSD
CS
SCK
SI
SO
1/F
SCK
LSb In
Don’t Care
MSb Out
T
V TV
LSb Out
TDIS