參數(shù)資料
型號(hào)： KSZ8995FQI
廠商： Micrel Inc
文件頁(yè)數(shù)： 36/89頁(yè)
文件大?。?/td> 0K
描述： IC SWITCH 10/100 5PORT 128-PQFP
標(biāo)準(zhǔn)包裝： 66
系列： *
產(chǎn)品目錄頁(yè)面： 1081 (CN2011-ZH PDF)
配用： 576-3872-ND - BOARD EVALUATION FOR KSZ8995FQ
其它名稱： 576-3300
Micrel, Inc.
KS8995MA/FQ
October 2011
41
M9999-102611-3.0
Configuration Interface
The KS8995MA/FQ can function as a managed switch or unmanaged switch. If no EEPROM or micro-controller exists,
the KS8995MA/FQ will operate from its default setting. Some default settings are configured via strap in options as
indicated in the following tables.
Pin #
Pin Name
PU/PD
(1)
Description
(1)
1
MDI-XDIS
Ipd
Disable auto MDI/MDI-X.
PD = (default) = normal operation
PU = disable auto MDI/MDI-X on all ports.
45
MUX1
NC
Factory test pins. MUX1 and MUX2 should be left unconnected for normal operation.
46
MUX2
NC
Mode
MUX1
MUX2
Normal Operation
NC
62
PMRXD3
Ipd/O
PHY[5] MII receive bit 3. Strap option: PD (default) = enable flow control; PU = disable
flow control.
63
PMRXD2
Ipd/O
PHY[5] MII receive bit 2. Strap option: PD (default) = disable back pressure; PU = enable
back pressure.
64
PMRXD1
Ipd/O
PHY[5] MII receive bit 1. Strap option: PD (default) = drop excessive collision packets;
PU = does not drop excessive collision packets.
65
PMRXD0
Ipd/O
PHY[5] MII receive bit 0. Strap option: PD (default) = disable aggressive back-off
algorithm in half-duplex mode; PU = enable for performance enhancement.
66
PMRXER
Ipd/O
PHY[5] MII receive error. Strap option: PD (default) = 1522/1518 bytes; PU = packet size
up to 1536 bytes.
67
PCRS
Ipd/O
PHY[5] MII carrier sense/strap option for port 4 only. PD (default) = force half-duplex if
auto-negotiation is disabled or fails. PU = force full-duplex if auto-negotiation is disabled
or fails. Refer to register 76.
68
PCOL
Ipd/O
PHY[5] MII collision detect/strap option for port 4 only. PD (default) = no force flow
control. PU = force flow control. Refer to register 66.
80
SMRXD3
Ipd/O
Switch MII receive bit 3. Strap option: PD (default) = disable switch MII full-duplex flow
control; PU = enable switch MII full-duplex flow control.
81
SMRXD2
Ipd/O
Switch MII receive bit 2. Strap option: PD (default) = switch MII in full-duplex mode; PU =
switch MII in half-duplex mode.
82
SMRXD1
Ipd/O
Switch MII receive bit 1. Strap option: PD (default) = switch MII in 100Mbps mode; PU =
switch MII in 10Mbps mode.
83
SMRXD0
Ipd/O
Switch MII receive bit 0. Strap option: LED mode PD (default) = mode 0; PU = mode 1.
See “Register 11.”
Mode 0
Mode 1
LEDX_2
Lnk/Act
100Lnk/Act
LEDX_1
Fulld/Col
10Lnk/Act
LEDX_0
Speed
Fulld
Note:
1.
NC = No connect.
Ipd = Input w/internal pull-down.
Ipd/O = Input w/internal pull-down during reset, output pin otherwise.
Fulld = Full duplex.
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KSZ8995MA 功能描述:以太網(wǎng) IC 5 Port 10/100 Switch with PHY and Frame Buffers (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
KSZ8995MA4 功能描述:IC SWITCH 5-PORT 10/100 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
KSZ8995MAB3 功能描述:IC SWITCH 5-PORT 10/100 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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