hbwhelp@micrel.com or (408) 955-1690 Register 4 (0x04" />
參數(shù)資料
型號(hào)： KSZ8993F
廠商： Micrel Inc
文件頁數(shù)： 50/100頁
文件大?。?/td> 0K
描述： IC CONV MED 10/100 3PORT 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： 散裝
產(chǎn)品目錄頁面： 1081 (CN2011-ZH PDF)
其它名稱： 576-1033
Micrel, Inc.
KS8993F/FL
June 2009
53
M9999-062509
hbwhelp@micrel.com or (408) 955-1690
Register 4 (0x04): Global Control 2
Bit
Name
R/W
Description
Default
7
Unicast
port-VLAN
mismatch
discard
R/W
This feature is used for port-VLAN and is described in reg. 17,
reg. 33, ...)
= 1, all packets can not cross VLAN boundary
= 0, unicast packets (excluding unkown/multicast/broadcast) can
cross VLAN boundary.
Note: Port mirroring is not supported if this bit is set to ‘0’.
1
6
Multicast
Storm
protection
Disable
R/W
= 1, “Broadcast Storm Protection” does not include multicast
packets. Only DA = FFFFFFFFFFFF packets will be
regulated.
= 0, “Broadcast Storm Protection” includes DA = FFFFFFFFFFFF
and DA[40] = 1 packets.
1
5
Back
pressure
mode
R/W
= 1, carrier sense based backpressure is selected
= 0, collision based backpressure is selected
1
4
Flow control
and back
pressure fair
mode
R/W
= 1, fair mode is selected. In this mode, if a flow control port and
a non-flow control port talk to the same destination port,
packets from the non-flow control port may be dropped.
This is to prevent the flow control port from being flow
controlled for an extended period of time.
= 0, in this mode, if a flow control port and a non-flow control port
talk to the same destination port, the flow control port
will be flow controlled. This may not be “fair” to the flow
control port.
1
3
No excessive
collision drop
R/W
= 1, the switch will not drop packets when 16 or more collisions
occur.
= 0, the switch will drop packets when 16 or more collisions
occur.
SMAC
(pin 69)
value during
reset
2
Huge packet
support
R/W
= 1, will accept packet sizes up to 1916 bytes (inclusive). This
bit setting will override setting from bit 1 of the same register.
= 0, the max packet size will be determined by bit 1 of this
register.
0
1
Legal
Maximum
Packet size
check enable
R/W
= 0, will accept packet sizes up to 1536 bytes (inclusive).
= 1, 1522 bytes for tagged packets, 1518 bytes for untagged
packets. Any packets larger than the specified value will be
dropped.
SMRXD0
(pin 85)
value during
reset
0
Priority Buffer
reserve
R/W
= 1, each output queue is pre-allocated 48 buffers, used
exclusively for high priority packets. It is recommended to
enable this when priority queue feature is turned on.
= 0, no reserved buffers for high priority packets.
1
Register 5 (0x05): Global Control 3
Bit
Name
R/W
Description
Default
7
802.1Q VLAN
enable
R/W
= 1, 802.1Q VLAN mode is turned on. VLAN table needs to set
up before the operation.
= 0, 802.1Q VLAN is disabled.
0
6
Reserved
R/W
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KSZ8993F-A1 功能描述:IC CONV MED 10/100 3PORT 128PQFP RoHS:是 類別:集成電路 (IC) >> 專用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA（27x27） 包裝:散裝
KSZ8993F-EVAL 功能描述:BOARD EVALUATION FOR KSZ8993F RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 過時(shí)/停產(chǎn)零件編號(hào) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:MCU 適用于相關(guān)產(chǎn)品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、纜線、軟件、數(shù)據(jù)表和用戶手冊(cè) 其它名稱:520-1035
KSZ8993FL 功能描述:以太網(wǎng) IC 2+1 Port 10/100 Switch w/Transceivers & TS-1000 OAM, single 3.3V supply, 128-PQFP, Lead free RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8993FL-EVAL 功能描述:BOARD EVALUATION FOR KSZ8993FL RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 過時(shí)/停產(chǎn)零件編號(hào) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:MCU 適用于相關(guān)產(chǎn)品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、纜線、軟件、數(shù)據(jù)表和用戶手冊(cè) 其它名稱:520-1035
KSZ8993I 功能描述:以太網(wǎng) IC 3 Port 10/100 Switch w/Tranceivers & Frame Buffers, 128-PQFP, I-TEMP RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
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