KSZ8842-16MQL Micrel Inc, KSZ8842-16MQL Datasheet - Page 78
![IC SWITCH 10/100 16BIT 128PQFP](/photos/6/81/68152/576-128-pqfp_sml.jpg)
KSZ8842-16MQL
Manufacturer Part Number
KSZ8842-16MQL
Description
IC SWITCH 10/100 16BIT 128PQFP
Manufacturer
Micrel Inc
Datasheets
1.KSZ8841-PMQLI.pdf
(2 pages)
2.KSZ8842-16MQL.pdf
(126 pages)
3.KSZ8842-16MQL.pdf
(141 pages)
Specifications of KSZ8842-16MQL
Data Rate
100Mbps
Controller Type
Ethernet Switch Controller
Interface
PCI
Voltage - Supply
3.1 V ~ 3.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
128-MQFP, 128-PQFP
No. Of Ports
1
Ethernet Type
IEEE 802.3u
Supply Current
122mA
Supply Voltage Range
3.1V To 3.5V
Operating Temperature Range
0°C To +70°C
Digital Ic Case Style
QFP
No. Of
RoHS Compliant
Number Of Primary Switch Ports
2
Internal Memory Buffer Size
32
Operating Supply Voltage (typ)
3.3V
Fiber Support
Yes
Integrated Led Drivers
Yes
Phy/transceiver Interface
MII
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)
3.5V
Operating Supply Voltage (min)
3.1V
Operating Temperature Classification
Commercial
Interface Type
PCI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
576-1634 - BOARD EVALUATION KSZ8842-16MQL
Current - Supply
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-1478-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
KSZ8842-16MQLI
Manufacturer:
MICREL
Quantity:
760
Bank 33 Switch Global Control Register 6 (0x00): SGCR6
Bank 33 Switch Global Control Register 7 (0x02): SGCR7
Banks 34 – 38: Reserved
Except Bank Select Register (0xE)
Bank 39 MAC Address Register 1 (0x00): MACAR1
This register contains the MAC address for the switch function. This MAC address is used for sending PAUSE frame.
Micrel, Inc.
Bit
15-14
13-12
11-10
9-8
7-6
5-4
3-2
1-0
Bit
15-8
7
6-3
2-0
Bit
15-0
October 2007
Default
Default
0
-
Default
0x3
0x3
0x2
0x2
0x1
0x1
0x0
0x0
0x00
0x7
0x0010
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RW
Description
Tag_0x7
IEEE 802.1p mapping. The value in this field is used as the frame’s priority when its
IEEE Tag has a value of 0x7.
Tag_0x6
IEEE 802.1p mapping. The value in this field is used as the frame’s priority when its
IEEE Tag has a value of 0x6.
Tag_0x5
IEEE 802.1p mapping. The value in this field is used as the frame’s priority when its
IEEE Tag has a value of 0x5.
Tag_0x4
IEEE 802.1p mapping. The value in this field is used as the frame’s priority when its
IEEE Tag has a value of 0x4.
Tag_0x3
IEEE 802.1p mapping. The value in this field is used as the frame’s priority when its
IEEE Tag has a value of 0x3.
Tag_0x2
IEEE 802.1p mapping. The value in this field is used as the frame’s priority when its
IEEE Tag has a value of 0x2.
Tag_0x1
IEEE 802.1p mapping. The value in this field is used as the frame’s priority when its
IEEE Tag has a value of 0x1.
Tag_0x0
IEEE 802.1p mapping. The value in this field is used as the frame’s priority when its
IEEE Tag has a value of 0x0.
Description
Reserved
Unknown Default Port Enable
Send packets with unknown destination address to specified ports in bits [2:0].
1 = enable to send unknown DA packet
Reserved
Unknown Packet Default Port(s)
Specify which ports to send packets with unknown destination addresses. Feature is
enabled by bit [7].
Bit 2 for the host port, bit 1 for port 2, and bit 0 for port 1
Description
MACA[47:32]
Specifies MAC address 1. This value has to be same as MARH in Bank2.
78
KSZ8842-16/32 MQL/MVL/MVLI/MBL
M9999-102207-1.9