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| 型號： | KS8995MAL |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 37/73頁 |
| 文件大?。?/td> | 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： | 散裝 |
| 配用： | 576-1017-ND - BOARD EVAL EXPERIMENT KS8995M |
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KS8995MA
Micrel, Inc.
M9999-051305
42
May 2005
Address
Name
Description
Mode
Default
1
Legal Maximum Packet
1, will accept packet sizes up to 1536 bytes (inclusive).
R/W
Pin PMRXER
Size Check Disable
0, 1522 bytes for tagged packets (not including packets
strap option.
with STPID from CPU to ports 1-4), 1518 bytes for
Pull-down (0):
untagged packets. Any packets larger than the specified
1518/1522 byte
value will be dropped.
packets. Pull-up
(1): 1536 byte
packets.
Note: PMRXER
has internal pull-
down.
0
Priority Buffer Reserve
1, each output queue is pre-allocated 48 buffers,
R/W
0
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.
Register 5 (0x05): Global Control 3
7
802.1q VLAN Enable
1, 802.1q VLAN mode is turned on. VLAN table needs
R/W
0
to set up before the operation.
0, 802.1q VLAN is disabled.
6
IGMP Snoop Enable on
1, IGMP snoop enabled. All the IGMP packets will be
R/W
0
Switch MII Interface
forwarded to Switch MII port.
0, IGMP snoop disabled.
5
Enable Direct Mode on
1, direct mode on port 5. This is a special mode for the
R/W
0
Switch MII Interface
Switch MII interface. Using preamble before MRXDV to
direct switch to forward packets, bypassing internal
look-up.
0, normal operation.
4
Enable Pre-Tag on
1, packets forwarded to Switch MII interface will be
R/W
0
Switch MII Interface
pre-tagged with the source port number (preamble
before MRXDV).
0, normal operation.
3-2
Priority Scheme Select
00 = always deliver high priority packets first.
R/W
00
01 = deliver high/low packets at ratio 10/1.
10 = deliver high/low packets at ratio 5/1.
11 = deliver high/low packets at ratio 2/1.
1
Enable “Tag” Mask
1, the last 5 digits in the VID field are used as a mask
R/W
0
to determine which port(s) the packet should be
forwarded to.
0, no tag masks.
0
Sniff Mode Select
1, will do Rx AND Tx sniff (both source port and
R/W
0
destination port need to match).
0, will do Rx OR Tx sniff (Either source port or destination
port needs to match).
This is the mode used to implement Rx only sniff.
Register 6 (0x06): Global Control 4
7
Switch MII Back
1, enable half-duplex back pressure on switch MII
R/W
0
Pressure Enable
interface.
0, disable back pressure on switch MII interface.
6
Switch MII Half-Duplex
1, enable MII interface half-duplex mode.
R/W
Pin SMRXD2 strap
Mode
0, enable MII interface full-duplex mode.
option. Pull-down
(0): Full-duplex
mode. Pull-up
(1): Half-duplex
mode. Note:
SMRXD2 has
internal pull-down.
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| KS8995M-EVAL | 功能描述:BOARD EVAL EXPERIMENT KS8995M RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電源管理，電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板 |
| KS8995MI | 功能描述:IC SWITCH 10/100 5PORT 128PQFP RoHS:否 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 |
| KS8995X | 功能描述:IC SWITCH 10/100 5PORT 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 |
| KS8995X_04 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Integrated 5-Port 10/100 QoS Switch |
| KS8995XA | 功能描述:IC SWITCH 10/100 5PORT 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 |
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