“I/O Description” section for pull-up/pull-down and float" />
參數(shù)資料
型號(hào): KSZ8999
廠商: Micrel Inc
文件頁(yè)數(shù): 42/52頁(yè)
文件大?。?/td> 0K
描述: IC SWITCH 10/100 9PORT 208PQFP
標(biāo)準(zhǔn)包裝: 24
系列: *
類(lèi)型: *
應(yīng)用: *
安裝類(lèi)型: 表面貼裝
封裝/外殼: 208-MQFP,208-PQFP
供應(yīng)商設(shè)備封裝: 208-PQFP(28x28)
包裝: 托盤(pán)
產(chǎn)品目錄頁(yè)面: 1081 (CN2011-ZH PDF)
配用: 576-1644-ND - BOARD EVALUATION FOR KSZ8999
其它名稱(chēng): 576-1044
January 2005
47
KS8999
Micrel
Reference Circuits
See
“I/O Description” section for pull-up/pull-down and float information.
KS8999
LED pin
VDD-IO
Reference circuits for unmanaged programming through LED ports
Note: For brighter LED operation use VDD-IO = 3.3V
KS8999
LED pin
VDD-IO
Pull Down
Pull -up
KS8999
LED pin
VDD-IO
Float
Pull-down
220
220
220
1k
10k
Figure 19. Unmanaged Programming Circuit
Reset Reference Circuit
Micrel recommendeds the following discrete reset circuit as shown in Figure 20 when powering up the KS8999 device. For
the application where the reset circuit signal comes from another device (e.g., CPU, FPGA, etc), we recommend the reset circuit
as shown in Figure 21.
VCC
R
10k
D2
C
10F
D1
CPU/FPGA
RST_OUT_n
KS8999
RST
D1, D2: 1N4148
Figure 20. Recommended Reset Circuit.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KSZ8999-EVAL 功能描述:以太網(wǎng)開(kāi)發(fā)工具 KSZ8999 Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類(lèi)型:Ethernet Transceivers 工具用于評(píng)估:KSZ8873RLL 接口類(lèi)型:RMII 工作電源電壓:
KSZ8999-EVAL 制造商:Micrel Inc 功能描述:BOARD EVALUATION FOR KSZ8999
KSZ8999I 功能描述:以太網(wǎng) IC 8 Port 10/100 Switch plus MII with PHY and Frame Buffers I-temp (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
KSZ9021GN 功能描述:以太網(wǎng) IC Gigabit Ethernet Transceiver with GMII/MII, 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
KSZ9021GN TR 功能描述:以太網(wǎng) IC Gigabit Ethernet Transceiver with GMII/MII 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