KS8993F A5 Micrel Inc, KS8993F A5 Datasheet - Page 23
KS8993F A5
Manufacturer Part Number
KS8993F A5
Description
Manufacturer
Micrel Inc
Datasheet
1.KS8993F_A5.pdf
(99 pages)
Specifications of KS8993F A5
Number Of Primary Switch Ports
3
Internal Memory Buffer Size
32
Operating Supply Voltage (typ)
1.8/2.5/3.3V
Fiber Support
Yes
Integrated Led Drivers
Yes
Phy/transceiver Interface
MII/SNI
Power Supply Type
Analog/Digital
Package Type
PQFP
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Pin Count
128
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
1.89/3.465V
Operating Temperature Classification
Commercial
Lead Free Status / RoHS Status
Not Compliant
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KS8993F
MC loop back operation is initiated and enabled by the center MC. The terminal MC provides the loop back path to
return the loop back packet back to the center MC. In terminal MC mode, the KS8993F provides the following loop
back path:
2.2.4 Registers for Media Converter Functions
The KS8993F provides 32 dedicated registers (0x40 to 0x5F) for MC communication between center MC and terminal
MC. Some MC register functions include:
2.2.5
August 26, 2004
•
•
•
•
•
•
•
•
•
Receive loop back packet from center MC at RXP1/RXM1 input pins of port 1 (fiber).
Turn around loop back packet at MAC of port 2 (copper).
Transmit loop back packet back to center MC from TXP1/TXM1 output pins of port 1 (fiber).
PHY address & configuration
Loop back counters for CRC error, timeout, good packet
Remote commands
Counters for valid MC packet transmitted and received
MC - status, vendor code, and model number
Link Partner - status, vendor code, and model number
Unique I/O Feature Definition
UTP
Fiber
Port
Port
RX+
/RX-
- 23 -
OAM MC
PMD/PMA
PMD/PMA
Switch
PCS
MAC
MAC
PCS
TX+
/TX-
Revision 1.0
Micrel
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