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EC3648 - PS2 KEYBOARD CONTROLLER

This page provides the datasheet information for the EC3648, a member of the EC3648_E PS2 KEYBOARD CONTROLLER family.

Description

The EC3648 is a single chip CMOS micro-controller for keyboard application, specially for IBM PC AT and all compatible machines.

It incorporate a 8-bit’s CPU core, 5K bytes of ROM, and 128 bytes of RAM used as working RAM and stack area.

Features

  • D/AD 2E/AE 2F/AF 30/B0 31/B1 32/B2 33/B3 34/B4 35/B5 36/B6 1D/9D 38/B8 39/B9 E0 38/E0.

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Datasheet preview – EC3648

Datasheet Details

Part number EC3648
Manufacturer E-Cmos
File Size 235.08 KB
Description PS2 KEYBOARD CONTROLLER
Datasheet download datasheet EC3648 Datasheet
Additional preview pages of the EC3648 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com PS2 KEYBOARD CONTROLLER EC3648 Preliminary FEATURE „ z Low cost - eliminate need external components. z Phantom key detects. z Support scan code set 1 ,2 and 3. z Support PC AT and PS/2 keyboard . z Low power CMOS device technology. z Internal pull-up resistor. z Tri-state outputs for easy board application. z Built-in 8-bit’s CPU. z 5K bytes of ROM. z 128 bytes of RAM. z Support WINDOWS TM 95, 98, 2000, ME, XP keys. z Normal operation frequency is 4 MHz. z Built-in RC type oscillator with external resister z On chip general 8 bit preload timer DESCRIPTION „ The EC3648 is a single chip CMOS micro-controller for keyboard application, specially for IBM PC AT and all compatible machines.
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