AMD-K6-IIIE+550ACR AMD (ADVANCED MICRO DEVICES), AMD-K6-IIIE+550ACR Datasheet - Page 188
![no-image](/images/manufacturer_photos/0/0/44/amd__advanced_micro_devices__sml.jpg)
AMD-K6-IIIE+550ACR
Manufacturer Part Number
AMD-K6-IIIE+550ACR
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.AMD-K6-IIIE550ACR.pdf
(370 pages)
Specifications of AMD-K6-IIIE+550ACR
Lead Free Status / RoHS Status
Not Compliant
- Current page: 188 of 370
- Download datasheet (6Mb)
AMD-K6™-IIIE+ Embedded Processor Data Sheet
7.4
Basic I/O Read and
Write
Figure 64. Basic I/O Read and Write
166
BE[7:0]#
D[63:0]
A[31:3]
BRDY#
M/IO#
ADS#
W/R#
D/C#
CLK
I/O Read and Write
ADDR
The processor accesses I/O when it executes an I/O instruction
(for example, IN or OUT). Figure 64 shows an I/O read followed
by an I/O write. The processor drives M/IO# Low and D/C# High
during I/O cycles. In this example, the first cycle shows a single
wait state I/O read cycle. It follows the same sequence as a
single-transfer memory read cycle. The processor drives ADS#
to initiate the bus cycle, then it samples BRDY# on every clock
edge starting with the clock edge after the clock edge that
negates ADS#. The system logic must return BRDY# to
complete the cycle. When the processor samples BRDY#
asserted, it can assert ADS# for the next cycle off the next clock
edge. (In this example, an I/O write cycle.)
The I/O write cycle is similar to a memory write cycle, but the
processor drives M/IO# low during an I/O write cycle. The
processor asserts ADS# to initiate the bus cycle. The processor
drives D[63:0] with valid data one clock edge after the clock
edge on which ADS# is asserted. The system logic must assert
BRDY# when the data is properly stored to the I/O destination.
The processor samples BRDY# on every clock edge starting with
the clock edge after the clock edge that negates ADS#. In this
example, two wait states are inserted while the processor waits
for BRDY# to be asserted.
DATA
I/O Read Cycle
Preliminary Information
DATA
Bus Cycles
IDLE
ADDR
DATA
I/O Write Cycle
DATA
23543A/0—September 2000
DATA
Chapter 7
IDLE
Related parts for AMD-K6-IIIE+550ACR
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![AMD-751AC](/images/manufacturer_photos/0/0/14/advanced_micro_devices_tmb.jpg)
Part Number:
Description:
AMD-751ACAMD-751-TM System Controller Revision Guide
Manufacturer:
Advanced Micro Devices
Datasheet:
![AMD-751](/images/manufacturer_photos/0/0/14/advanced_micro_devices_tmb.jpg)
Part Number:
Description:
AMD-751AMD-751-TM System Controller Revision Guide
Manufacturer:
Advanced Micro Devices
Datasheet:
![AMD-X5-133SFZ](/images/manufacturer_photos/0/0/14/advanced_micro_devices_tmb.jpg)
Part Number:
Description:
AMD-X5-133SFZAm5X86? Microprocessor Family
Manufacturer:
Advanced Micro Devices
Datasheet:
![AMD-8131BLC](/images/manufacturer_photos/0/0/14/advanced_micro_devices_tmb.jpg)
Part Number:
Description:
Hyper Transport PCI-X Tunnel
Manufacturer:
Advanced Micro Devices
Datasheet:
![AMD-8111AC](/images/manufacturer_photos/0/0/14/advanced_micro_devices_tmb.jpg)
Part Number:
Description:
HyperTransport I/O Hub
Manufacturer:
Advanced Micro Devices
Datasheet:
![AMD-640AC](/images/manufacturer_photos/0/0/14/advanced_micro_devices_tmb.jpg)
Part Number:
Description:
System Controller
Manufacturer:
Advanced Micro Devices
Datasheet:
![AMD-K6](/images/no-image3.png)
Part Number:
Description:
AMD-K6 Processor
Manufacturer:
AMD [Advanced Micro Devices]
Datasheet:
![AMD-K6-2E/400AFR](/images/no-image3.png)
Part Number:
Description:
AMD-K6™-2E Embedded Processor
Manufacturer:
AMD [Advanced Micro Devices]
Datasheet:
![AMD-8132BLCT](/images/manufacturer_photos/0/0/44/amd__advanced_micro_devices__tmb.jpg)
Part Number:
Description:
Manufacturer:
AMD (ADVANCED MICRO DEVICES)
Datasheet:
![AMD-766AC](/images/no-image3.png)
Part Number:
Description:
Peripheral Bus Controller
Manufacturer:
AMD [Advanced Micro Devices]
Datasheet:
![AMD-X5-133ADW](/images/no-image3.png)
Part Number:
Description:
Am5X86™ Microprocessor Family
Manufacturer:
AMD [Advanced Micro Devices]
Datasheet: