lan83c175 Standard Microsystems Corp., lan83c175 Datasheet - Page 82

• Manufacturer Part Number: lan83c175
• Description: Ethernet Cardbus Integrated Controller With Modem Support Corporation
• Manufacturer: Standard Microsystems Corp.

CRS (1/2 Dup)
TX_CLK
TX_EN
TXD
NAME
Note: Clock Frequency Changes to 2.5 MHz for 10 Mb/s Nibble Transfers
t1, t2
t3
t4
FIGURE 17 - MII - TRANSMIT TIMING FOR 10/100Mb/s
0ns(100Mb/s)
0ns(100Mb/s)
0ns(10Mb/s)
0ns(10Mb/s)
MIN
0ns
t1
t3
160ns(100Mb/s)
40ns(100Mb/s)
400ns(10Mb/s)
1.6 s(10Mb/s)
nibble 1
MAX
25ns
t1
82
nibble x
DESCRIPTION
Clock to output delay
Min: 0 bit times
Max: 4 bit times
Min: 0 bit times
Max: 16 bit times
t1
last nibble
t1
t2
MII_TX.TD
t4