am79c961 Advanced Micro Devices, am79c961 Datasheet - Page 148
am79c961
Manufacturer Part Number
am79c961
Description
Pcnettm-isa Jumperless Single-chip Ethernet Controller For Isa
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C961.pdf
(173 pages)
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(STDCLK)
(SRDCLK)
(RXCRS)
Transmit
Transmit
(TXDAT)
(RXCRS)
Transmit
Collision
SWITCHING WAVEFORMS: GPSI
Notes:
1. If RXCRS is not present during transmission, LCAR bit in TMD3 will be set.
2. If CLSN is not present during or shortly after transmission, CERR in CSR0 will be set.
(RXDAT)
1-622
(Note 1)
(Note 2)
Present
Collision
Collision
(CLSN)
Receive
Receive
(CLSN),
(CLSN),
(TXEN)
Present
Inactive
Enable
Carrier
Carrier
Clock
Active
Clock
Data
Data
AMD
tGPR4
tGPR4
tGPT3
(First Bit Preamble)
tGPR11
(First Bit Preamble)
tGPT1
tGPT2
tGPT3
tGPR5
tGPR1
tGPT9
tGPR7
tGPR2
P R E L I M I N A R Y
Transmit Timing
Receive Timing
tGPR3
Am79C961
(No Collision)
(Address Type Designation Bit) (Last Bit)
tGPT4
tGPT7
tGPT6
(Last Bit )
tGPR8
tGPT3
tGPR9
tGPR5
tGPR10
tGPT5
tGPR6
tGPR12
tGPT8
18183B-65
18183B-66