AM79C978A AMD [Advanced Micro Devices], AM79C978A Datasheet - Page 230
![no-image](/images/no-image-200.jpg)
AM79C978A
Manufacturer Part Number
AM79C978A
Description
Single-Chip 1/10 Mbps PCI Home Networking Controller
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM79C978A.pdf
(256 pages)
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SWITCHING WAVEFORMS: MEDIA INDEPENDENT INTERFACE
230
RXD[3:0],
RX_ER,
RX_DV
TXD[3:0],
TX_EN
RX_CLK
TX_CLK
MDC
0.8 V
1.5 V
2.0 V
Figure 66. Transmit Timing
Figure 67. Receive Timing
Figure 68. MDC Waveform
t
TVAL
t RSU
t MHIGH
Am79C978A
2.4
t
MCYC
t RH
t MLOW
0.4
0.8 V
1.5 V
2.0 V
Vihmin
Vilmax
Vihmin
Vilmax
Vihmin
Vilmax
Vihmin
Vilmax
22399A-71
22399A-69
22399A-70
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