KU82596DX25 S Z714 Intel, KU82596DX25 S Z714 Datasheet - Page 32

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KU82596DX25 S Z714

Manufacturer Part Number
KU82596DX25 S Z714
Description
Manufacturer
Intel
Datasheet

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
Command Word
These bits specifiy the action to be performed as a result of a CA This word is set by the CPU and cleared by
the 82596 Defined bits are
Bit 31 ACK-CX
Bit 30 ACK-FR
Bit 29 ACK-CNA
Bit 28 ACK-RNR
Bits 24– 26 CUC
32
31
31
In MONITOR mode these counters change function
ACK
ACK
0
CUC
T-ON TIMER
ODD WORD
Acknowledges that the CU completed an Action Command
Acknowledges that the RU received a frame
Acknowledges that the Command Unit became not active
Acknowledges that the Receive Unit became not ready
(3 bits) This field contains the command to the Command Unit Valid values are
0
1
2
3
4
5
6
7
R
0
RUC
NOP (does not affect current state of the unit)
Start execution of the first command on the CBL If a command is executing
complete it before starting the new CBL The beginning of the CBL is in CBL
OFFSET (address)
Resume the operation of the Command Unit by executing the next command
This operation assumes that the Command Unit has been previously sus-
pended
Suspend execution of commands on CBL after current command is complete
Abort current command immediately
Loads the Bus Throttle timers so they will be initialized with their new values
after the active timer (T-ON or T-OFF) reaches Terminal Count If no timer is
active new values will be loaded immediately This command is not valid in
82586 mode
Loads and immediately restarts the Bus Throttle timers with their new values
This command is not valid in 82586 mode
Reserved
RECEIVE FRAME AREA ADDRESS
COMMAND BLOCK ADDRESS
CUC
SHORT FRAME ERRORS
RESOURCE ERRORS ( )
0 0 0 0
OVERRUN ERRORS ( )
Figure 20 SCB Linear Mode
ALIGNMENT ERRORS
RCVCDT ERRORS ( )
CRC ERRORS
16
15
R
STAT
RUC
0
CUS
T-OFF TIMER
EVEN WORD
0
RUS
0
T 0 0 0 SCB
0
16
0
0
SCB
SCB
SCB
SCB
SCB
SCB
SCB
SCB
SCB
SCB
a
a
a
a
a
a
a
a
a
a
4
8
12
16
20
24
28
32
36
2

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