KSZ8895MQ_12 MICREL [Micrel Semiconductor], KSZ8895MQ_12 Datasheet - Page 60

• Manufacturer Part Number: KSZ8895MQ_12
• Description: Integrated 5-Port 10/100 Managed Ethernet Switch with MII/RMII interface
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Global Registers (Continued)
Note:
March 2012
Address
4
3
2-0
Register 7 (0x07): Global Control 5
7-0
Register 8 (0x08): Global Control 6
7-0
Register 9 (0x09): Global Control 7
7-0
7 148,800 frames/sec × 50ms/interval × 1% = 74 frames/interval (approx.) = 0x4A.
Name
Switch SW5-MII/RMII
Speed
Null VID Replacement
Broadcast Storm
Protection Rate Bit[10:8]
Broadcast Storm
Protection Rate Bit[7:0]
Factory Testing
Factory Testing
Description
1, the switch SW5-MII/RMII is in 10Mbps mode.
0, the switch SW5-MII/RMII is in 100Mbps mode.
1, will replace null VID with port VID (12 bits).
0, no replacement for null VID.
This along with the next register determines how many
“64 byte blocks” of packet data allowed on an input port
in a preset period. The period is 50ms for 100BT or
500ms for 10BT. The default is 1%.
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%.
N/A Do not change.
N/A Do not change.
60
Mode
R/W
R/W
R/W
R/W
RO
RO
KSZ8895MQ/RQ/FMQ
Pin SMRXD1
strap option.
PD(0): (default)
Enable 100Mbps.
PU(1): Enable
10Mbps.
Note: SMRXD1
has internal pull-
down.
M9999-032612-1.5
Default
0x4A
0x4C
0x00
000
0
0
(1)