器件名称:
TUSB2043
功能描述:
4-PORT HUB FOR THE UNIVERSAL SERIAL BUS WITH OPTIONAL SERIAL EEPROM INTERFACE
文件大小:
228.32KB 共16页
简 介:
TUSB2043 4-PORT HUB FOR THE UNIVERSAL SERIAL BUS WITH OPTIONAL SERIAL EEPROM INTERFACE SLLS308A – FEBRUARY 1999 – REVISED AUGUST 1999 D D D D D D D D D D D D D D D D D Universal Serial Bus (USB) Version 1.1 Compliant 32-Pin TQFP Package With a 0.8 mm Pin Pitch 3.3-V Low Power ASIC Logic Integrated USB Transceivers State Machine Implementation Requires No Firmware Programming DP0 One Upstream Port and Four Downstream DM0 Ports VCC RESET All Downstream Ports Support Full-Speed EECLK and Low-Speed Operations EEDATA/GANGED Two Power Source Modes GND – Self-Powered Mode BUSPWR – Bus-Powered Mode Power Switching and Over-Current Reporting is Provided Ganged or Per Port Supports Suspend and Resume Operations Supports Programmable Vendor ID and Product ID With External Serial EEPROM 3-State EEPROM Interface Allows EEPROM Sharing Push-Pull Outputs for PWRON Eliminate the Need for External Pullup Resistors Noise Filtering on OVRCUR Provides Immunity to Voltage Spikes Package Pinout Allows 2-Layer PCB Migrated From Proven TUSB2040 Hub Lower Cost Than the TUSB2040 Hub VF PACKAGE (TOP VIEW) SUSPND MODESLCT TESTIN TESTOUT GND CLKIN EXTMEM VCC 32 31 30 29 28 27 26 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 24 23 22 21 20 19 18 17 DP4 DM4 OVRCUR4 PWRON4 DP3 DM3 OVRCUR3 PWRON3 description The TUSB2043 is a 3.3 V CMOS hub device that provides one upstream port and four downstream ports in compliance with the 1.1 Universal Serial Bus (USB) specification. Because this device is implemented ……
