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20H04
EEWorld咨询电话：82357002，82350740－8068 邮件咨询：datasheet@eeworld.com.cn 器件描述：4-PORT USB2.0 HUB CONTROLLER 器件厂商：SMSC [SMSC Corporation] 厂商主页：http://www.smsc.com/ 文件大小：919.81KB 文件页数：38 PDF阅读：20H04.pdf (点击阅读器件资料) 摘要： SMSC USB20H04 Page 1 Revision 1.63 (10-14-04) DATASHEET USB20H04 4-Port USB2.0 Hub Controller Datasheet Product Features General Features ? Compliant with USB2.0 Specification ? Hub controller IC with four downstream ports ? Four transaction translators ensure maximum USB throughput ? Enables bus-powered Hi-Speed hub design ? Compatible with On-The-Go (OTG) USB devices ? Integrated Session Request Protocol (SRP) operates with dual-role OTG hosts ? Default configuration with pin selectable options ? Serial interface for configuration from EEPROM or microcontroller when default is not used ? Flexible OEM configuration options ? Available in a 64-pin TQFP package Hardware Features ? Detects removal of self-power and automatically changes mode to bus-power ? Integrated termination and pull-up/pull-down resistors ? Internal short circuit protection of DP and DM lines ? On-chip oscillator uses low cost 24MHz crystal ? Supports individual or ganged over-current protection and power control ? LED drivers for each downstream port OEM Selectable Features ? Configure as a bus-powered or self-powered Hi-Speed USB hub ? Configure port power switching and current sensing on an individual or ganged basis ? Enable LED indicator support ? Enable multiple transaction translators ? Enable compound device support on a port by port basis ? Enable downstream facing ports on a port by port basis Pin Selectable Options for Default Configuration ? Select operation as either a Bus-Powered hub or a Self-Powered hub ORDERING INFORMATION Order Number(s): USB20H04-JD for 64 pin, 10x10x1.4 TQFP package USB20H04-JT for 64 pin, 10x10x1.4 TQFP package (green, lead-free) 相关器件：USB20H04-JT USB20H04-JD USB20H04

20H04

EEWorld咨询电话：82357002，82350740－8068 邮件咨询：datasheet@eeworld.com.cn

器件描述：4-PORT USB2.0 HUB CONTROLLER
器件厂商：SMSC [SMSC Corporation]
厂商主页：http://www.smsc.com/
文件大小：919.81KB
文件页数：38
PDF阅读：20H04.pdf (点击阅读器件资料)

摘要：
SMSC USB20H04 Page 1 Revision 1.63 (10-14-04)

DATASHEET
USB20H04

4-Port USB2.0 Hub
Controller

Datasheet
Product Features
General Features
? Compliant with USB2.0 Specification
? Hub controller IC with four downstream ports
? Four transaction translators ensure maximum USB
throughput
? Enables bus-powered Hi-Speed hub design
? Compatible with On-The-Go (OTG) USB devices
? Integrated Session Request Protocol (SRP)
operates with dual-role OTG hosts
? Default configuration with pin selectable options
? Serial interface for configuration from EEPROM or
microcontroller when default is not used
? Flexible OEM configuration options
? Available in a 64-pin TQFP package

Hardware Features
? Detects removal of self-power and automatically
changes mode to bus-power
? Integrated termination and pull-up/pull-down
resistors
? Internal short circuit protection of DP and DM lines
? On-chip oscillator uses low cost 24MHz crystal
? Supports individual or ganged over-current
protection and power control
? LED drivers for each downstream port

OEM Selectable Features
? Configure as a bus-powered or self-powered
Hi-Speed USB hub
? Configure port power switching and current
sensing on an individual or ganged basis
? Enable LED indicator support
? Enable multiple transaction translators
? Enable compound device support on a port by port
basis
? Enable downstream facing ports on a port by port
basis

Pin Selectable Options for Default Configuration
? Select operation as either a Bus-Powered hub or a
Self-Powered hub

ORDERING INFORMATION
Order Number(s):
USB20H04-JD for 64 pin, 10x10x1.4 TQFP package
USB20H04-JT for 64 pin, 10x10x1.4 TQFP package (green, lead-free)

相关器件：USB20H04-JT USB20H04-JD USB20H04

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