KSZ8864RMN Micrel Inc, KSZ8864RMN Datasheet - Page 62

• Manufacturer Part Number: KSZ8864RMN
• Description: IC ETHERNET SW 4PORT 64QFN
• Manufacturer: Micrel Inc

Specifications of KSZ8864RMN

• Controller Type: Ethernet Switch Controller
• Interface: MII, RMII
• Voltage - Supply: 1.8V, 2.5V, 3.3V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / RoHS Status: Supplier Unconfirmed
• Current - Supply: -
• Lead Free Status / RoHS Status: Supplier Unconfirmed, Lead free / RoHS Compliant
• Other names: 576-3787; KSZ8864RMN

January 2011
Note:
Bits 2-0 are used for spanning tree support. See “Spanning Tree Support” section.
Register 19 (0x13): Reserved
Register 35 (0x23): Port 1 Control 3
Register 51 (0x33): Port 2 Control 3
Register 67 (0x43): Port 3 Control 3
Register 83 (0x53): Port 4 Control 3
Register 20 (0x14): Reserved
Register 36 (0x24): Port 1 Control 4
Register 52 (0x34): Port 2 Control 4
Register 68 (0x44): Port 3 Control 4
Register 84 (0x54): Port 4 Control 4
Note:
Registers 35 and 36 (and those corresponding to other ports) serve two purposes: (1) Associated with the ingress untagged packets, and used for
egress tagging; (2) Default VID for the ingress untagged or null-VID-tagged packets, and used for address look up.
Address
3
2
1
0
Address
7-0
Address
7-0
Name
Default Tag [15:8]
Name
Default Tag [7:0]
Name
Back Pressure Enable
Transmit Enable
Receive Enable
Learning Disable
Description
Port’s default tag, containing:
7-5: user priority bits
4: CFI bit
3-0 : VID[11:8]
Description
Default port 1’s tag, containing:
7-0: VID[7:0]
Description
1, enable port half-duplex back pressure.
0, disable port half-duplex back pressure.
1, enable packet transmission on the port.
0, disable packet transmission on the port.
1, enable packet reception on the port.
0, disable packet reception on the port.
1, disable switch address learning capability.
0, enable switch address learning.
62
Mode
Mode
Mode
R/W
R/W
R/W
R/W
R/W
R/W
M9999-012011-1.2
Pin SM3RXD2
strap option.
Pull-down (0):
disable back
pressure.
Pull-up(1): enable
back pressure.
Note: SM3RXD2
has internal pull-
down.
Default
Default
Default
0
1
1
0
0
1