KS8999 Micrel Inc, KS8999 Datasheet - Page 17

• Manufacturer Part Number: KS8999
• Description: IC SWITCH 10/100 9PORT 208PQFP
• Manufacturer: Micrel Inc

Specifications of KS8999

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 208-MQFP, 208-PQFP
• 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
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1023 - BOARD EVAL EXPERIMENT FOR KS8999
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

Note 1.
January 2005
KS8999
Group
TEST
PWR
All unmanaged programming takes place at reset time only. For unmanaged programming: F = Float, D = Pull-down, U = Pull-up.
See
“Reference Circuits”
VDD_PLLTX
T[1:3] & T[5]
AUTOMDIX
CFGMODE
I/O Names
GND_RCV
VDD_RCV
TEST[1:2]
SCANEN
MUX[1:2]
GND_RX
TESTEN
BTOUT2
CTOUT2
IO_SWM
VDD_RX
VDD_TX
GND_TX
DOUT2
BTOUT
CTOUT
QH[2:5]
AOUT2
QL[2:5]
RLPBK
DOUT
PRSV
AOUT
RST#
BIST
SDA
SCL
T[4]
X1
X2
Active Status
section.
Clock
Clock
Clock
I/O
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
Description
Priority buffer reserve – reserves 6KB of buffer space for the priority traffic if enabled.
0 = No priority reserve
1 = Reserve 6KB for priority traffic
Note: This is also controlled by the EEPROM registers (register 2 bit 1). The value in
the EEPROM supercedes this pin.
Selects between EEPROM or processor for programming interface.
0 = Processor interface
1 = EEPROM interface or not programmed on this interface (SCL / SDA not used)
External crystal or clock input
Used when other polarity of crystal is needed. This is unused for a normal clock input.
Clock for EEPROM
Serial data for EEPROM
System reset
Factory test input – tie low for normal operation
Factory test input – tie low for normal operation
Factory test input – leave open for normal operation
Factory test output – leave open for normal operation
Factory test output – leave open for normal operation
Factory test output – leave open for normal operation
Factory test output – leave open for normal operation
Factory test output – leave open for normal operation
Factory test output – leave open for normal operation
Factory test output – leave open for normal operation
Factory test output – leave open for normal operation
Factory test inputs – leave open for normal operation
F/U = Enable Auto MDI/MDIX (normal operation)
D = Disable Auto MDI/MDIX
Factory test inputs – leave open (float) for normal operation
F/D = normal operation (default)
U = Disable FEF
Factory test outputs – leave open for normal operation
Factory test outputs – leave open for normal operation
Factory test input – tie high for normal operation
Factory test input – tie low for normal operation
Factory test input – tie low for normal operation
2.0V for equalizer
Ground for equalizer
2.0V for transmit circuitry
Ground for transmit circuitry
2.0V for clock recovery circuitry
Ground for clock recovery
2.0V for phase locked loop circuitry
(Note 1)
17
KS8999
Micrel