EVB-LAN9500A-MII SMSC, EVB-LAN9500A-MII Datasheet - Page 59

• Manufacturer Part Number: EVB-LAN9500A-MII
• Description: EVALUATION BOARD LAN9500-ABZJ
• Manufacturer: SMSC
• Series: 0133r

Specifications of EVB-LAN9500A-MII

• Main Purpose: Interface, Ethernet Controller (PHY and MAC)
• Embedded: No
• Utilized Ic / Part: LAN9500
• Primary Attributes: Single Chip Hi-Speed USB to 10/100 Ethernet
• Secondary Attributes: Full Duplex and HP Auto-MDIX Support, 10BASE-T and 100BASE-TX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1072; EVB9500MII

USB 2.0 to 10/100 Ethernet Controller
Datasheet
SMSC LAN950x Family
8.5.6
SYMBOL
t
t
t
t
t
hold
clkp
clkh
clkl
val
Turbo MII Interface Timing
This section specifies the Turbo MII interface transmit and receive timing.
Note 8.16 Timing was designed for system load between 10 pf and 15 pf.
TXD[3:0]
TXCLK period
TXCLK high time
TXCLK low time
TXD[3:0], TXEN output valid from rising edge of
TXCLK
TXD[3:0], TXEN output hold from rising edge of
TXCLK
TXCLK
TXEN
DESCRIPTION
Table 8.20 Turbo MII Transmit Timing Values
t
hold
Figure 8.7 Turbo MII Transmit Timing
t
DATASHEET
val
t
clkh
t
clkp
59
t
clkl
t
val
t
t
clkp
clkp
MIN
1.5
20
*0.4
*0.4
t
t
t
hold
clkp
clkp
MAX
12.5
*0.6
*0.6
UNITS
t
Revision 1.0 (05-17-10)
val
ns
ns
ns
ns
ns
Note 8.16
Note 8.16
NOTES