M5123 Datasheet (Acer Laboratories)

M5123, Mega I/O Controller

Acer Laboratories Inc.

M512x : Mega I/O Controller with PnP Preliminary, Confidential, Proprietary M512x : Mega I/O Controller with Plug & Play Supports Windows 95 Plug and Play Supports 2 serial/1 parallel/FDC/RTC/KB and PS/2 mouse functions Supports 22 General Purpose I/O pins Enhanced ESD/LATCH up to over 4KV/300 mA Supports SPP, PS/2, EPP, ECP and 1284 compliance Supports 5 GPIO Alternative function pins for Remo

M5123 Features

* n Supports Windows 95 Plug-and-Play n Supports 2 Serial / 1 Parallel / FDC / RTC / KB / PS/2 Mouse functions n Supports 22 General Purpose I/O pins - 3 GPIO ports (Ports 1, 2, 3) - 5 GPIO-ALT function pins for Remote Control (Pins 30-34) - 2 General Purpose chip select pins (Pins 24-25) - Supports I