AM79C970A Advanced Micro Devices, AM79C970A Datasheet - Page 191

• Manufacturer Part Number: AM79C970A
• Description: PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product
• Manufacturer: Advanced Micro Devices

SWITCHING WAVEFORMS: AUI
Note 1:
Internal signal and is shown for clarification only.
Note 1:
Internal signal and is shown for clarification only.
ISTDCLK
ISTDCLK
ITXDAT+
ITXDAT+
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
XTAL1
XTAL1
ITXEN
ITXEN
DO+
DO+
DO–
DO
DO–
DO
1
1
t
XI
Bit (n–2)
1
Transmit Timing—End of Packet (Last Bit = 0)
1
0
Transmit Timing—Start of Packet
1
0
P R E L I M I N A R Y
Bit (n–1)
0
Am79C970A
0
1
t
DOTR
Bit (n)
0
1
Typical > 200 ns
t
DOETD
t
X1H
t
DOTF
t
X1L
0
t
X1F
19436A-68
19436A-67
AMD
t
1
X1R
191