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CDP1851C - CMOS Programmable I/O Interface

This page provides the datasheet information for the CDP1851C, a member of the CDP1851 CMOS Programmable I/O Interface family.

Features

  • 20 Programmable 110 Lines.
  • Programmable for Operation in Four Modes: Input Output Bidirectional Bit-programmable.
  • Operates in Either I/O or Memory Space The RCA CDP1851 and CDP1851C are CMOS programmable two-port I/Os designed for use as general-purpose 1/0 devices. They are directly compatible with CDP1800 series microprocessors functioning at maximum clock frequency. Each port can be programmed in either byte-I/O or bit-programmable modes for interfacing with peri.

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Datasheet preview – CDP1851C

Datasheet Details

Part number CDP1851C
Manufacturer GE
File Size 656.04 KB
Description CMOS Programmable I/O Interface
Datasheet download datasheet CDP1851C Datasheet
Additional preview pages of the CDP1851C datasheet.

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Full PDF Text Transcription

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_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ CMOS Perlph~rals TERMINAL ASSIGNMENT CL.OCI( cs RAD RAI BUSO BUSI BUS2 BUS3 BUS4 BUS5 .,.0e STROBE VDD RD/WE ".WR/liE A ROY A STROBE AD AI .A2 A3 A4 All ...A6 .7A7 •.•,, V55 .2 TOP VIEW 9~CS~31926 4G-LEAO OIL PACKAGES CDP1851, CDP1851C CMOS Programmable 1/0 Interface Features: • 20 Programmable 110 Lines • Programmable for Operation in Four Modes: Input Output Bidirectional Bit-programmable • Operates in Either I/O or Memory Space The RCA CDP1851 and CDP1851C are CMOS programmable two-port I/Os designed for use as general-purpose 1/0 devices. They are directly compatible with CDP1800 series microprocessors functioning at maximum clock frequency.
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