am79c940 Advanced Micro Devices, am79c940 Datasheet - Page 106

• Manufacturer Part Number: am79c940
• Description: Media Access Controller For Ethernet Mace
• Manufacturer: Advanced Micro Devices

Notes:
1. RXCRS deasserts in less than 3 bit times after last DI ± rising edge.
2. Start of next packet reception (2 bit times).
3. IVCO is an internal signal shown for clarification only.
Notes:
1. RXCRS deasserts in less than 3 bit times after last DI ± rising edge.
2. IVCO is an internal signal shown for clarification only.
106
SRDCLK
SRDCLK
AMD
RXCRS
RXCRS
IVCO
IVCO
SRD
SRD
DI±
DI±
V ASQ
Bit Cell (n–1)
Bit Cell (n–1)
60
BCC
BCC
0
AUI Receive Timing—End of Packet (Last Bit = 0)
AUI Receive Timing—End of Packet (Last Bit = 1)
1
BCB
BCB
bit (n–1)
Bit Cell (n)
BCC
bit (n–1)
BCC
Bit Cell (n)
0
Am79C940
1
BCB
bit (n)
bit (n)
(Note 1)
(Note 1)
61
61
(Note 2)
16235C-36
16235C-37