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PCI950 Datasheet(PDF) 1 Page - Texas Instruments |
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PCI950 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 11 page PCI950 IRQSER DESERIALIZER SCPS015A – JULY 1997 – REVISED JANUARY 1998 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 5-V Core Logic With PCI Interface D Supports PCI Clock Frequencies up to 33 MHz D Accepts IRQSER Serial Interrupt Stream Input From TI PC Card Controllers D Provides System Access to All 15 ISA-Style IRQs and 4 PCI-Style Interrupts D Offered in 48-Pin TQFP Package description The PCI950 is an IRQSER interrupt deserializer that interfaces with existing and future TI PC Card controllers. The PCI950 accepts the IRQSER output of a TI PC Card controller and converts it to 16 ISA-style interrupts and 4 PCI-style interrupts. Interfacing the PC Card controller with the PCI950 permits system access of all available interrupts and features of the PC Card controller. functional block diagram PCI950 4 16 IRQ15–0 INTA–D ACTIVE PCLK RSTIN CLKRUN IRQSER POLLMODE SHUTD STOP DRIVEMODE Copyright 1998, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. 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. 3 IRQSER IRQ0 IRQ1 IRQ2/SMI V NC INTD INTC INTB INTA GND DRIVEMODE IRQ15 IRQ3 GND IRQ14 IRQ13 NC NC IRQ12 IRQ11 CC VCC VCC IRQ8 1 2 45 67 8 9 10 11 12 30 29 28 27 26 25 36 35 34 33 32 31 37 38 39 40 41 42 43 44 45 46 47 48 24 23 22 21 20 19 18 17 16 15 14 13 TI is a trademark of Texas Instruments Incorporated. |
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