7 clocking, supply, and package information – Endura RADISYS KP915GV User Manual
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KP915GV Product Manual
47
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Consumer Remote Control supports RC-5, RC-6, NEC, RCA and RECS
80
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IEEE 1284-compliant Parallel Port
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ECP, with Level 2 (14 mA sink and source output buffers)
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Software or hardware control
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Enhanced Parallel Port (EPP) compatible with EPP 1.7 and EPP 1.9
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Supports EPP as mode 4 of the Extended Control Register (ECR)
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Selection of internal pull-up or pull-down resistor for Paper End (PE) pin
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Supports a demand DMA mode mechanism and a DMA fairness
mechanism for improved bus utilization
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Protection circuit that prevents damage to the parallel port when a printer
connected to it is powered up or is operated at high voltages (in both
cases, even if the PC8374K is in power-down state)
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Floppy Disk Controller (FDC)
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Software compatible with the PC8477 (the PC8477 contains a superset of
the FDC functions in the μDP8473, NEC μPD765A/B and N82077
devices)
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Error-free handling of data overrun and underrun
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Programmable write protect
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Supports FM and MFM modes
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Supports Enhanced mode command for three-mode Floppy Disk Drive
(FDD)
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Perpendicular recording drive support for 2.88 MBytes
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Burst (16-byte FIFO) and Non-Burst modes
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Full support for IBM Tape Drive Register (TDR) implementation of AT and
PS/2 drive types
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High-performance digital separator
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Supports fast tape drives (2 Mbps) and standard tape drives (1 Mbps, 500
Kbps and 250 Kbps)
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Keyboard and Mouse Controller (KBC)
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8-bit microcontroller, software compatible with 8042AH and PC87911
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Standard interface (60h, 64h, IRQ1 and IRQ12)
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Supports two external swappable PS/2 interfaces for keyboard and mouse
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Programmable, dedicated quasi-bidirectional I/O lines (GA20/P21,
KBRST/P20)
3.3.4.7
Clocking, Supply, and Package Information
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Clocks
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LPC (PCI) clock input (up to 33 MHz)