參數(shù)資料
型號(hào)： KSZ8995M
廠商： Micrel Inc
文件頁數(shù)： 41/73頁
文件大小： 0K
描述： IC SWITCH 10/100 5PORT 128PQFP
標(biāo)準(zhǔn)包裝： 66
系列： *
類型： *
應(yīng)用： *
安裝類型： 表面貼裝
封裝/外殼： 128-BFQFP
供應(yīng)商設(shè)備封裝： 128-PQFP（14x20）
包裝： 托盤
產(chǎn)品目錄頁面： 1081 (CN2011-ZH PDF)
配用： 576-1607-ND - BOARD EVAL EXPERIMENT KSZ8995MA
其它名稱： 576-1038
KS8995M
Micrel
M9999-120403
46
December 2003
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
Name
Description
Mode
Default
7-0
Default tag [15:8]
Port’s default tag, containing
R/W
0
7-5: user priority bits
4: CFI bit
3-0 : VID[11:8]
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
Name
Description
Mode
Default
7-0
Default tag [7:0]
Default port 1’s tag, containing
R/W
1
7-0: VID[7:0]
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
Name
Description
Mode
Default
7-0
Transmit high priority
This along with port control 7, bits [3:0] form a 12-bit
R/W
0
rate control [7:0]
field to determine how many “32Kbps” high priority
blocks can be transmitted. (In a unit of 4K bytes in a
one second period.)
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
Name
Description
Mode
Default
7-0
Transmit low priority
This along with port control 7, bits [7:4] form a 12-bit
R/W
0
rate control [7:0]
field to determine how many “32Kbps” low priority
blocks can be transmitted. (In a unit of 4K bytes in a
one second period.)
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
Name
Description
Mode
Default
7-4
Transmit low priority
This along with port control 6, bits [7:0] form a 12-bit
R/W
0
rate control [11:8]
field to determine how many “32Kbps” low priority
blocks can be transmitted. (In a unit of 4K bytes in a
one second period.)
3-0
Transmit high priority
This along with port control 5, bits [7:0] form a 12-bit
R/W
0
rate control [11:8]
field to determine how many “32Kbps” high priority
blocks can be transmitted. (In unit of 4K bytes in a
one second period.)
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