KSZ8995XA B3 Micrel Inc, KSZ8995XA B3 Datasheet - Page 34

• Manufacturer Part Number: KSZ8995XA B3
• Manufacturer: Micrel Inc

Specifications of KSZ8995XA B3

• Number Of Primary Switch Ports: 5
• Internal Memory Buffer Size: 64
• 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 Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

September 2008
Note:
1.
Address
Register 7 (0x07): Global Control 5
7-0
Register 8 (0x08): Global Control 6
7-0
Register 9 (0x09): Global Control 7
7-0
Register 10 (0x0A): Global Control 8
7-0
Register 11 (0x0B): Global Control 9
7-4
3
2
1
0
148,800 frames/sec × 50ms/interval × 1% = 74 frames/interval (approx.) = 0x4A.
Name
Broadcast storm
protection rate bit [7:0]
Factory testing
Factory testing
Factory testing
Reserved
PHY power save
Factory setting
LED mode
Reserved
Description
This along with the previous register determines how
many “64 byte blocks” of packet data are allowed on
an input port in a preset period. The period is 50ms
for 100BT or 500ms for 10BT. The default is 1%.
Reserved
Reserved
Reserved
N/A
1, disable PHY power save mode.
0, enable PHY power save mode.
Reserved
0, led mode 0
1, led mode 1
Mode 0, link up at
100/Full LEDx[2,1,0]=0,0,0 100/Half LEDx[2,1,0]=0,1,0
10/Full LEDx[2,1,0]=0,0,1 10/Half LEDx[2,1,0]=0,1,1
Mode 1, link up at
100/Full LEDx[2,1,0]=0,1,0 100/Half LEDx[2,1,0]=0,1,1
10/Full LEDx[2,1,0]=1,0,0 10/Half LEDx[2,1,0]=1,0,1
(0=LED on, 1=LED off)
LEDX_2
LEDX_1
LEDX_0
Reserved
Mode 0
Lnk/Act
Fulld/Col
Speed
34
Mode 1
100Lnk/Act
10Lnk/Act
Fulld
Mode
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
Pin SMRXD0 strap
option. Pull-
down(0): Enabled
led mode 0. Pull-
up(1): Enabled. Led
mode 1.
Note: SMRXDO
has internal pull-
down 0.
M9999-091508
Default
0x4A
0x24
0x28
0x24
0
0
0
(1)