KU82596DX25 S Z714 Intel, KU82596DX25 S Z714 Datasheet - Page 52

• Manufacturer Part Number: KU82596DX25 S Z714
• Manufacturer: Intel

Specifications of KU82596DX25 S Z714

• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Mounting: Surface Mount
• Operating Temperature (max): 85C
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Not Compliant

82596DX SX
DIAGNOSE
The Diagnose Command triggers an internal self-test procedure that checks internal 82596 hardware which
includes
This procedure checks the operation of the Backoff block which resides in the serial side and is not easily
controlled The Diagnose command is performed in two phases
The format of the 82596 Diagnose command is
where
LINK ADDRESS
EL B C I S
Bits 19–28
CMD (bits 16– 18)
OK (bit 13)
F (bit 11)
RECEIVE FRAME DESCRIPTOR
Each received frame is described by one Receive Frame Descriptor (see Figure 37) Two new memory
structures are available for the received frames The structures are available only in the Linear and 32-bit
Segmented modes
52
31
31
A31
EL S
EL S
X X X X X X X X X X X X X X X X A15
Exponential Backoff Random Number Generator (Linear Feedback Shift Register)
Exponential Backoff Timeout Counter
Slot Time Period Counter
Collision Number Counter
Exponential Backoff Shift Register
Exponential Backoff Mask Logic
Timer Trigger Logic
I
I
X X X X X X X X X X
0
0
0
0
ODD WORD
ODD WORD
0
As per standard Command Block (see the NOP command for details)
Reserved (0 in the 32-bit Segmented and Linear Modes)
The Diagnose command Value 7h
Indicates error free completion
Indicates that the self-test procedure has failed
0
0
82586 and 32-Bit Segmented Modes
0
0
0
Figure 36 Diagnose
1
1
LINK ADDRESS
Linear Mode
1
1
16
16
1
1
15
15
C B OK 0
C B OK 0
F
F
0
0
EVEN WORD
EVEN WORD
LINK OFFSET
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
A0
A0
0
0
0
0