LU82551QM Intel, LU82551QM Datasheet - Page 26

• Manufacturer Part Number: LU82551QM
• Manufacturer: Intel

Specifications of LU82551QM

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 196
• Lead Free Status / RoHS Status: Compliant

82551QM — Networking Silicon
20
Figure 5. Flash Buffer Write Cycle
Write Accesses: The CPU, as the initiator, drives the address lines
byte enable lines
82551QM with valid data immediately after asserting
signal and de-asserts it for a certain number of clocks until valid data is written to the Flash buffer.
By asserting
Flash buffer write accesses can be byte length only.
CLK
FRAME#
AD
C/BE#
IRDY#
TRDY#
DEVSEL#
STOP#
TRDY#
C/BE#[3:0] and
, the 82551QM signals the CPU that the current data access has completed.
MEM WR
ADDR
the control lines
DATA
BE#
IRDY#
IRDY#
and
FRAME#
. The 82551QM controls the
AD[31:0],
. It also provides the
the command and
Datasheet
TRDY#