Table of Contents

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Table of Contents

SB134X, Exploring W65C134

Introduction

Features

Design Information

Software

Simpler W65C134 Design

SB134X, Exploring W65C134

Introduction

W65C134 is a 6502-based microcontroller with built in ROM, serial port, timers, and discrete I/O. It is capable of 14MHz operation. SB134X is a prototype board for W65C134 with CPLD and RAM to explore various capabilities of W65C134. Here is the online discussion about SB134X.

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_sb134_dsc_75400106.jpg

Features

W65C134

EPM7128SQC100 CPLD

128K RAM

Compact flash interface

100mmX100mm PCB with prototype area

Design Information

Schematic

Gerber photoplots

CPLD design files

Software

Simpler W65C134 Design

W65C134 computer can be as simple as W65C134 with a 32K of RAM without any glue logic. The RAM is located from $100 to $7FFF and decoded with 65134's chip_select_6 output. This is the schematic of the simpler W65C134 design. Engineering changes for the simpler W65C134.

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_sb134_dsc_75420108.jpg

www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_builderpages_plasmo_sb134_dsc_75430108.jpg