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PC87200 |
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| Part Number | PC87200 |
| Manufacturer | National Semiconductor |
| Description | The PC87200 Enhanced Integrated PCI-to-ISA bridge works with an LPC chipset to provide ISA slot support. It is a complement to the National Semiconductor PC8736x Super I/O family. 2.2 PCI-to-ISA Brid... |
| Features |
2.1 General
– Functionally compatible with Intel 82380AB – 5.0 V tolerant PCI and ISA interfaces – Slave mode serialized IRQ support for both quiet and continuous modes – PC/PCI DMA support – 32-bit address decode for the 1MB BIOS ROM – Supports ISA bus mastering – 160-pin PQFP package 2.3 "PROHIBIT" functional support – Disables PCI bus subtractive decoding when PROHIBIT is asserted Block Diagram PCI Bus Serialized IRQ Interface PCI to X-Bus / X-Bus to PCI Bridge PC87200 Support PCI Configuration Registers Decoding logic X-Bus Arbiter PROHIBIT BPD# X-Bus PCPCIREQ# Serial IRQ Slave mode... |
| Document |
 PC87200 Data Sheet
PDF 114.99KB |
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