AM79C971VCW Advanced Micro Devices, AM79C971VCW Datasheet - Page 224

• Manufacturer Part Number: AM79C971VCW
• Description: PCnet-FAST Single-Chip Full-Duplex 10/100 Mbps Ethernet Controller for PCI Local Bus
• Manufacturer: Advanced Micro Devices

SWITCHING WAVEFORMS: MEDIA INDEPENDENT INTERFACE
224
RXD[3:0],
RX_ER,
RX_DV
RX_CLK
TX_CLK
TXD[3:0],
TX_EN,
TX_ER
MDC
0.8 V
1.5 V
Figure 84. Transmit Timing
2.0 V
Figure 85. Receive Timing
Figure 86. MDC Waveform
t
TVAL
t
RSU
Am79C971
t
MHIGH
2.4 V
t
MCYC
t
RH
t
0.4 V
MLOW
0.8 V
1.5 V
2.0 V
Vihmin
Vilmax
Vihmin
Vilmax
Vihmin
Vilmax
Vihmin
Vilmax
20550D-88
20550D-87
20550D-89