National Semiconductor NS1 Hoja de datos

No.	parte #	Fabricante	Descripción
1	NS16450	National Semiconductor	Universal Asynchronous Receiver/Transmitter Copyrighted By Its Respective Manufacturer
2	NS16550A	National Semiconductor	UART Design and Application Considerations while maintaining software compatibility These development paths have been brought together in a new UART from National Semiconductor designated the NS16550A The NS16550A has all of the registers of its two predecessor parts (INS8250 and NS16450) so
3	INS1671	National Semiconductor	Asynchronous/Synchronous Transmitter/Receiver • Synchronous and Asynchronous Full Duplex Operations • Synchronous Mode Capabilities - Selectable 5- to 8-Bit C'haracters - T.wo Contiguous SYN Characters Provide Synchronization Programmable SYN and DLE Characters Stripping Programmable SYN and SY
4	NS16C2752	National Semiconductor	(NS16C2552 / NS16C2752) Dual UART are added to the UART device. These features include low voltage support, 5V tolerant inputs, enhanced features, enhanced register set, and higher data rate. The two serial channels are completely independent of each other, except for a common CPU in
5	NS16550A	National Semiconductor	UART regardless of the data bus width One of these is a centralized arbitration controller that allows up to 16 devices to contend for the 8 available DMA channels These devices compete based on an assigned priority level for the DMA resource A ‘‘fairness
6	NS16550AF	National Semiconductor	UART
7	NS16C2552	National Semiconductor	(NS16C2552 / NS16C2752) Dual UART are added to the UART device. These features include low voltage support, 5V tolerant inputs, enhanced features, enhanced register set, and higher data rate. The two serial channels are completely independent of each other, except for a common CPU in
8	INS1771-1	National Semiconductor	Floppy Disk Formatter/Controller • Soft Sector Format Compatibility • Automatic Track Seek with Verification • Provisions for Miniature Floppy Disk Interface • Read Mode Capabil ities Single/Multiple Record Read with Automatic Sector Search or Entire Track Read Selectable 128-8yte