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TSB12LV01B Arkusz danych(PDF) 1 Page - Texas Instruments |
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TSB12LV01B Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 6 page www.ti.com FEATURES DESCRIPTION TSB12LV01B SLLA212 – JUNE 2006 IEEE 1394-1995 High-Speed Serial-Bus Link-Layer Controller • Physical-Link Interface • Link Core – Compatible With Texas Instruments Physical Layer Devices (PHYs) – Supports Provision of IEEE 1394-1995 (1394) Standard for High-Performance – Supports Transfer Speeds of 100, 200, and Serial Bus 400 Mbits/s – Transmits and Receives Correctly – Timing Compliant with IEEE 1394a–2000 Formatted 1394 Packets • Host Bus Interface – Supports Asynchronous and Isochronous – Provides Chip Control With Directly Data Transfers Addressable Registers – Performs Function of 1394 Cycle Master – Is Interrupt Driven to Minimize Host Polling – Generates and Checks 32-Bit CRC – Has a Generic 32-Bit Host Bus Interface – Detects Lost Cycle-Start Messages • General – Contains Asynchronous, Isochronous, and – Operates From a 3.3-V Power Supply While General-Receive FIFOs Totaling 2K Bytes Maintaining 5-V Tolerant Inputs – Manufactured With Low-Power CMOS Technology – 100-Pin PZT Package for 0 °C to 70°C and -40 °C to 85°C (I Temperature) Operation The TSB12LV01B is an IEEE 1394-1995 standard (from now on referred to only as 1394) high-speed serial-bus link-layer controller that allows for easy integration into an I/O subsystem. The TSB12LV01B provides a high-performance IEEE 1394-1995 interface with the capability of transferring data between the 32-bit host bus, the 1394 PHY-link interface, and external devices connected to the local bus interface. The 1394 PHY-link interface provides the connection to the 1394 physical (PHY) layer device and is supported by the link-layer controller (LLC). The LLC provides the control for transmitting and receiving 1394 packet data between the FIFO and PHY-link interface at rates of 100 Mbits/s, 200 Mbits/s, and 400 Mbits/s. The TSB12LV01B transmits and receives correctly-formatted 1394 packets and generates and inspects the 32-bit cyclic redundancy check (CRC). The TSB12LV01B is capable of being cycle master and supports reception of isochronous data on two channels. TSB12LV01B has a generic 32-bit host bus interface, which will connect to most 32-bit hosts. The LLC also provides the capability to receive status from the physical layer device and to access the physical layer control and status registers by the application software. An internal 2K-byte memory is provided that can be configured as multiple variable-size FIFOs and eliminates the need for external FIFOs. Separate FIFOs can be user configured to support general 1394 receive, asynchronous transmit, and isochronous transmit transfer operations. These functions are accomplished by appropriately sizing the general receive FIFO (GRF), asynchronous transmit FIFO (ATF), and isochronous transmit FIFO (ITF). The TSB12LV01B is a revision of the TSB12LV01A, with feature enhancements and corrections. It is pin for pin compatible with the TSB12LV01A with the restrictions noted below. It is also software compatible with the extensions noted below. All errata items to the TSB12LV01A have been fixed, and the following feature enhancements have been made: • Two new internal registers have been added at CFR address 40h and 44h. The Host Bus Control Register at 40h and the Mux Control Register @44h . • Three programmable general-purpose output pins have been added. • Several pin changes have been made. Refer to TSB12LV01A to TSB12LV01B Transition Document, TI literature number SLLA081 dated May 2000. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2006, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Podobny numer części - TSB12LV01B_14 |
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Podobny opis - TSB12LV01B_14 |
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