GD82559ER S L3DG Intel, GD82559ER S L3DG Datasheet - Page 24
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GD82559ER S L3DG
Manufacturer Part Number
GD82559ER S L3DG
Description
Manufacturer
Intel
Datasheet
1.GD82559ER_S_L3DG.pdf
(94 pages)
Specifications of GD82559ER S L3DG
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Commercial
Package Type
BGA
Mounting
Surface Mount
Pin Count
196
Lead Free Status / RoHS Status
Not Compliant
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GD82559ER — Networking Silicon
4.2.1.2
18
Note: The 82559ER is considered the target in the above diagram; thus, TRDY# is not asserted.
Note: The 82559ER will report a system error for any parity error during an address phase, whether or
4.2.1.1.4 Error Handling
Data Parity Errors: The 82559ER checks for data parity errors while it is the target of the
transaction. If an error was detected, the 82559ER always sets the Detected Parity Error bit in the
PCI Configuration Status register, bit 15. The 82559ER also asserts PERR#, if the Parity Error
Response bit is set (PCI Configuration Command register, bit 6). The 82559ER does not attempt to
terminate a cycle in which a parity error was detected. This gives the initiator the option of
recovery.
Target-Disconnect: The 82559ER prematurely terminate a cycle in the following cases:
System Error: The 82559ER reports parity error during the address phase using the SERR# pin. If
the SERR# Enable bit in the PCI Configuration Command register or the Parity Error Response bit
are not set, the 82559ER only sets the Detected Parity Error bit (PCI Configuration Status register,
bit 15). If SERR# Enable and Parity Error Response bits are both set, the 82559ER sets the
Signaled System Error bit (PCI Configuration Status register, bit 14) as well as the Detected Parity
Error bit and asserts SERR# for one clock.
The 82559ER, when detecting system error, will claim the cycle if it was the target of the
transaction and continue the transaction as if the address was correct.
not it is involved in the current transaction.
82559ER Bus Master Operation
As a PCI Bus Master, the 82559ER initiates memory cycles to fetch data for transmission or
deposit received data and for accessing the memory resident control structures. The 82559ER
performs zero wait state burst read and write cycles to the host main memory.
•
•
•
After accesses to the Flash buffer
After accesses to its CSR
After accesses to the configuration space
CLK
FRAME#
IRDY#
TRDY#
DEVSEL#
STOP#
Figure 6. PCI Retry Cycle
Figure 7
Datasheet
and
Figure
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