I347-AT4 Datasheet, PDF (122/148 Pages) Intel Corporation – Intel® Ethernet Network Connection I347-AT4 Datasheet

I347-AT4—Electrical and Timing Specifications
LED
CONFIG
Figure 26. LED-to-CONFIG Timing
T_{DLY_CONFIG}
5.4.4
Serial LED Timing
Symbol
T_per
T_pw
T_su
T_hd
T_cs
T_dly
Parameter
Clock, Strobe Period
Clock, Strobe High/Low time
Shift in to Clock Setup
Shift in Clock Hold
Clock rising edge to Strobe rising edge
Clock to shift out delay, Strobe to LED out delay
Min
20
5.0
4.0
1.5
4.0
2.0
CONFIG[2]
Tper
Tpw
Tpw
CONFIG[1]
RCLK
CLK_SEL[0]
P*_LED[*]
Tsu
Thd
Tdly
Tper
Tpw
Tpw
Tcs
Tdly
Figure 27. Serial LED TIming Diagram
Typ
Max
12
Units
ns
ns
ns
ns
ns
ns
112