AM79C970A Advanced Micro Devices, AM79C970A Datasheet - Page 49
AM79C970A
Manufacturer Part Number
AM79C970A
Description
PCnet-PCI II Single-Chip Full-Duplex Ethernet Controller for PCI Local Bus Product
Manufacturer
Advanced Micro Devices
Datasheet
1.AM79C970A.pdf
(219 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AM79C970ACK
Manufacturer:
AMD
Quantity:
271
Company:
Part Number:
AM79C970AKC
Manufacturer:
AMtek
Quantity:
11
Part Number:
AM79C970AKC
Manufacturer:
AMD
Quantity:
20 000
Company:
Part Number:
AM79C970AKC/W
Manufacturer:
AMD
Quantity:
226
Part Number:
AM79C970AKC/W
Manufacturer:
AMD
Quantity:
20 000
Company:
Part Number:
AM79C970AKCW
Manufacturer:
AMD
Quantity:
6 557
Part Number:
AM79C970AVC
Manufacturer:
AMD
Quantity:
20 000
- Current page: 49 of 219
- Download datasheet (2Mb)
Disconnect Without Data Transfer
The figure below shows a target disconnect sequence
during which no data is transferred. STOP is asserted
on clock 4 without TRDY being asserted at the same
time. The PCnet-PCI II controller terminates the access
with the deassertion of FRAME on clock 5 and of IRDY
DEVSEL
FRAME
TRDY
STOP
C/BE
IRDY
REQ
GNT
CLK
PAR
AD
1
DEVSEL is sampled
ADDR i
0111
2
Figure 18. Disconnect Without Data Transfer
PAR
3
DATA
0000
P R E L I M I N A R Y
4
PAR
Am79C970A
5
one clock cycle later. It finally releases the bus on
clock 6. The PCnet-PCI II controller will re-request the
bus after 2 clock cycles to retry the last transfer. The
starting address of the new transfer will be the address
of the last untransferred data.
6
7
8
9
ADDR i
0111
10
19436A-21
AMD
49
Related parts for AM79C970A
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Advanced Micro Devices [4,096-Bit (512x8) Bipolar PROM]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Advanced Micro Devices [4,096-Bit (512x8) Bipolar PROM]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Advanced Micro Devices [8 Megabit (512 K x 16-Bit) CMOS 3.0 Volt-only Burst Mode Flash Memory]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
M41000001YAdvanced Micro Devices [32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 4 Mbit (512 K x 8-Bit/256 K x 16-Bit) Static RAM]
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Advanced Burst Error Processor
Manufacturer:
Advanced Micro Devices
Part Number:
Description:
Serial interface adapter (SIA)
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Universal interrupt controller
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
256 kilobit CMOS EPROM
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
2048 x 8 static RAM, 100ns
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Three-State Octal Buffers
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
AM2966PCOctal Dynamic Memory Drivers with Three-State Outputs
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Three-State Octal Buffers
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
Three-State Octal Buffers
Manufacturer:
Advanced Micro Devices
Datasheet:
Part Number:
Description:
TTL programmable array logic, 7ns
Manufacturer:
Advanced Micro Devices
Datasheet: