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KS8995MI Datasheet

  • KS8995MI

  • Micrel Semiconductor [Integrated 5-Port 10/100 Managed Swit...

  • 268.27KB

  • MICREL

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KS8995M
Register 19 (0x13): Port 1 Control 3
Register 35 (0x23): Port 2 Control 3
Register 51 (0x33): Port 3 Control 3
Register 67 (0x43): Port 4 Control 3
Register 83 (0x53): Port 5 Control 3
Address
7-0
Name
Default tag [15:8]
Description
Port鈥檚 default tag, containing
7-5: user priority bits
4: CFI bit
3-0 : VID[11:8]
Mode
R/W
Default
0
Micrel
Register 20 (0x14): Port 1 Control 4
Register 36 (0x24): Port 2 Control 4
Register 52 (0x34): Port 3 Control 4
Register 68 (0x44): Port 4 Control 4
Register 84 (0x54): Port 5 Control 4
Address
7-0
Name
Default tag [7:0]
Description
Default port 1鈥檚 tag, containing
7-0: VID[7:0]
Mode
R/W
Default
1
Note:
Registers 19 and 20 (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.
Register 21 (0x15): Port 1 Control 5
Register 37 (0x25): Port 2 Control 5
Register 53 (0x35): Port 3 Control 5
Register 69 (0x45): Port 4 Control 5
Register 85 (0x55): Port 5 Control 5
Address
7-0
Name
Transmit high priority
rate control [7:0]
Description
This along with port control 7, bits [3:0] form a 12-bit
field to determine how many 鈥?2Kbps鈥?high priority
blocks can be transmitted. (In a unit of 4K bytes in a
one second period.)
Mode
R/W
Default
0
Register 22 (0x16): Port 1 Control 6
Register 38 (0x26): Port 2 Control 6
Register 54 (0x36): Port 3 Control 6
Register 70 (0x46): Port 4 Control 6
Register 86 (0x56): Port 5 Control 6
Address
7-0
Name
Transmit low priority
rate control [7:0]
Description
This along with port control 7, bits [7:4] form a 12-bit
field to determine how many 鈥?2Kbps鈥?low priority
blocks can be transmitted. (In a unit of 4K bytes in a
one second period.)
Mode
R/W
Default
0
Register 23 (0x17): Port 1 Control 7
Register 39 (0x27): Port 2 Control 7
Register 55 (0x37): Port 3 Control 7
Register 71 (0x47): Port 4 Control 7
Register 87 (0x57): Port 5 Control 7
Address
7-4
Name
Transmit low priority
rate control [11:8]
Description
This along with port control 6, bits [7:0] form a 12-bit
field to determine how many 鈥?2Kbps鈥?low priority
blocks can be transmitted. (In a unit of 4K bytes in a
one second period.)
This along with port control 5, bits [7:0] form a 12-bit
field to determine how many 鈥?2Kbps鈥?high priority
blocks can be transmitted. (In unit of 4K bytes in a
one second period.)
Mode
R/W
Default
0
3-0
Transmit high priority
rate control [11:8]
R/W
0
M9999-120403
46
December 2003

KS8995MI 产品属性

  • 66

  • 集成电路 (IC)

  • 专用 IC

  • *

  • *

  • *

  • 表面贴装

  • 128-BFQFP

  • 128-PQFP（14x20）

  • 散装

  • 576-1020

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