77V550S25DTG8 IDT, Integrated Device Technology Inc, 77V550S25DTG8 Datasheet - Page 14

• Manufacturer Part Number: 77V550S25DTG8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 77V550S25DTG8

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 80
• Lead Free Status / RoHS Status: Compliant

Write Data Command
Write Data Command
ready by reading the status register before writing data. After writing the data the sub command field will be written to the Switch Controller
are not valid data. That is, it will contain the same data as was put in the write command cell, and it may contain random data (not zero).
Write Data Command Format
Write Data Command Format
Reset Switch Controller
Reset Switch Controller
only.
Reset Switch Controller Command Format
Reset Switch Controller Command Format
Global Reset Command
Global Reset Command
on individual ports of the switch.
Global Reset Command Format
Global Reset Command Format
instruction register.
IDT77V550
This command writes data to the Switch Controller. If bit 6 in the command field is set, the Switch Manager will first make sure the controller is
Finally if bit 7 in the command field is set the Switch Manager will return an acknowledge cell. The data content fields (Data0-17) of a returned cell
The Switch Manager generation a reset signal which is connected to the Controller Switch. This command forces a reset of the Switch Controller
This command is equivalent to pushing the reset button on the switch. That is, it generates reset signals for the complete switch including devices
Command
Sub Command
Data Count
Data0 - 17
Command
Sub Command
Data Count
Data0 - 17
Command
Sub Command
Data Count
Data0 - 17
Field
Field
Field
0x02
0x03
0xXX
0xXX
0xXX
0x04
0xXX
0xXX
0xXX
Value
Value
Value
Table 17 Reset Switch Controller Command Format
Table 18 Global Reset Command Format
Write data to Switch Controller.
Sub command is written to the Switch Controller instruction register as the last byte written.
Number of data registers to write to Switch Controller.
Data to write to Switch Controller.
Reset the Switch Controller.
Don’t care.
Don’t care.
Don’t care.
Do a global reset.
Don’t care.
Don’t care.
Don’t care.
Table 16 Write Data Command Format
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Description
Description
Description
June 22, 2001