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PC87393-VJG Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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PC87393-VJG Datasheet(HTML) 2 Page - National Semiconductor (TI) |
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2 / 148 page  2 www.national.com Features • LPC System Interface — Synchronous cycles, up to 33 MHz bus clock — 8-bit I/O cycles — Up to four 8-bit DMA channels — LPCPD and CLKRUN support — Implements PCI mobile design guide recommenda- tion ( PCI Mobile Design Guide 1.1, Dec. 18, 1998) — Memory and FWH transaction support • Interrupt Serializer — Four Parallel IRQs to Serial IRQ • Musical Instrument Digital Interface (MIDI) Port — Compatible with MPU-401 UART mode — 16-byte Receive and Transmit FIFOs — Loopback mode support • Game Port — Compatible with the Legacy Game Port definition — Full digital implementation — Supports up to two analog joysticks • X-Bus Extension — Supports read and write operations — 8-bit data bus — Up to 28-bit address bus supports up to 256MB data — Two chip select pins — Interrupt routing via PIRQ pins — Supports BIOS flash devices • PC99 and ACPI Compliant — PnP Configuration Register structure — Flexible resource allocation for all logical devices t Relocatable base address t Fifteen IRQ routing options t Four optional 8-bit DMA channels (where applica- ble) • Clock Sources — 32.768 KHz, 14.318 MHz or 48 MHz clock input — LPC clock, up to 33 MHz • Power Supply — 3.3V supply operation — All pins are 5V tolerant — All pins are back-drive protected, except LPC bus pins • Wake-Up Control — Optional routing of IRQ to power-up event • 32 General-Purpose I/O (GPIO) Ports — Sixteen standard, with Assert IRQ/SMI for 16 ports — Programmable drive type for each output pin (open- drain, push-pull or output disable) — Programmable option for internal pull-up resistor on each input pin — Output lock option — Input debounce mechanism • Floppy Disk Controller (FDC) — Programmable write protect — FM and MFM mode support — Enhanced mode command for three-mode Floppy Disk Drive (FDD) support — Perpendicular recording drive support for 2.88 MB — Burst and non-burst modes — Full support for IBM Tape Drive register (TDR) im- plementation of AT and PS/2 drive types — 16-byte data FIFO — Error-free handling of data overrun and underrun — Software compatible with the PC8477, which con- tains a superset of the FDC functions in the µDP8473, the NEC µPD765A and the N82077 — High-performance, digital separator — Standard 5.25” and 3.5” FDD support — Supports up to four floppy disk drives — Supports fast tape drives (2 Mbps) and standard tape drives (1 Mbps, 500 Kbps and 250 Kbps) — Supports external drive via parallel port pins • IEEE 1284 compliant Parallel Port — ECP, including Level 2 (14 mA sink and source out- put buffers) — Software or hardware control — Enhanced Parallel Port (EPP) compatible with EPP 1.7 and EPP 1.9 — EPP support as mode 4 of the Extended Control Register (ECR) — Selection of internal pull-up or pull-down resistor for Paper End (PE) pin — Supports a demand DMA mode mechanism and a DMA fairness mechanism for improved bus utilization — Protection circuit that prevents damage to the paral- lel port when a printer connected to it powers up or is operated at high voltages, even if the device is in power-down — Parallel Port Multiplexer (PPM) to support additional external FDC signals on parallel port pins for FDD use • Serial Port 1 (SP1) — Software compatible with the 16550A and the 16450 — Shadow register support for write-only bit monitoring — UART data rates up to 1.5 Mbaud • Serial Port 2 with Fast Infrared (SP2 with FIR) — Software compatible with the 16550A and the 16450 — Shadow register support for write-only bit monitoring — UART data rates up to 1.5 Mbaud — FIR IrDA 1.1 compliant — HP-SIR — ASK-IR option of SHARP-IR — DASK-IR option of SHARP-IR — Consumer Remote Control supports RC-5, RC-6, NEC, RCA and RECS 80 — DMA support − one or two channels — PnP dongle support |
Similar Part No. - PC87393-VJG |
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Similar Description - PC87393-VJG |
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