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PC87360 Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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PC87360 Datasheet(HTML) 2 Page - National Semiconductor (TI) |
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2 / 168 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 DMA channels — 8-bit DMA cycles — Basic read, write and DMA bus cycles are 13 clock cycles long • Protection — Access lock to I/O ports (XLOCK) — GPIO lock — Pin configuration lock • 45 General-Purpose I/O (GPIO) Ports — 37 standard, with Assert IRQ/SMI/PWUREQ for 23 ports — 8 VSB-powered — 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 • PC99 and ACPI Compliant — PnP Configuration Register structure — Flexible resource allocation for all logical devices t Relocatable base address t 15 IRQ routing options t 4 optional 8-bit DMA channels (where applicable) • Fan Speed Control and Fan Speed Monitor (FSCM) — Supports different fan types — Speed monitoring for two fans t Digital filtering of the tachometer input signal t Alarm for fan slower than programmable thresh- old speed t Alarm for fan stop — Two speed control lines with Pulse Width Modulation (PWM) t Output signal in the range of 6 Hz to 93.75 KHz t Duty cycle resolution of 1/256 • Interrupt Serializer — 11 Parallel IRQs to Serial IRQ • 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 FIFO — Software compatible with the PC8477, which con- tains a superset of the FDC functions in the microDP8473, the NEC microPD765A and the N82077 — High-performance, digital separator — Standard 5.25” and 3.5” FDD support • Parallel Port — Software or hardware control — Enhanced Parallel Port (EPP) compatible with new version EPP 1.9 and IEEE 1284 compliant — EPP support for version EPP 1.7 of the Xircom spec- ification — EPP support as mode 4 of the Extended Capabilities Port (ECP) — IEEE 1284 compliant ECP, including level 2 — Selection of internal pull-up or pull-down resistor for Paper End (PE) pin — PCI bus utilization reduction by supporting a de- mand DMA mode mechanism and a DMA fairness mechanism — 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 — Output buffers that can sink and source 14 mA • Serial Port 1 (UART1) — 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 Infrared (UART2) — Software compatible with the 16550A and the 16450 — Shadow register support for write-only bit monitoring — UART data rates up to 1.5 Mbaud — 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 — Non-standard DMA support − 1 or 2 channels — PnP dongle support • Keyboard and Mouse Controller (KBC) — 8-bit microcontroller — Software compatible with the 8042AH and PC87911 microcontrollers — 2 KB custom-designed program ROM — 256 bytes RAM for data — Five programmable dedicated open-drain I/O lines — Asynchronous access to two data registers and one status register during normal operation — Support for both interrupt and polling — 93 instructions — 8-bit timer/counter — Support for binary and BCD arithmetic — Operation at 8 MHz,12 MHz or 16 MHz (programma- ble option) |
Similar Part No. - PC87360 |
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Similar Description - PC87360 |
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