Freescale (Motorola) 6801 & 68701 (NMOS) Microcontrollers

Motorola (freescale) 68701, 6801, MC68701U4, MC6801U4, EF6801U4 microcontroller family

MC68701U4 data sheet (PDF-1.60Mb)

MC68701 data sheet (PDF - 4.41Mb)

Application note AN906A_D Programming MC68701 MC68701U4 (PDF - 376Kb)

https://www.eevblog.com/forum/microcontrollers/self-programming-the-mc68701-and-the-mc68701u4-(motorola)/?all

THOMSON EFCIS Databook 1984 EF6801

http://www.bg-electronics.de/datenblaetter/Schaltkreise/EF6801.pdf

http://bg-electronics.de/datenblaetter/Schaltkreise/EF6840P.pdf

https://github.com/MattisLind/6801reader Reading the ROM content out of a mask programmed MC6801 uP

MC68701, MC68701U4 programmer by Edward Oscarson (published in QEX May 1989)

QEX-05-1989 (PDF- 10.82Mb)

- release v2.4 et v3.0 (same) : last version as published in QEX (for the 68701).
- release v3.1 : release that accept both 68701 and 68701U4.The software asks which part must be programmed- this release allow a 'blank check'

freescale/68701/$F000-$FFFF(MC68701U4).S19

freescale/68701/$F800-$FFFF(MC68701).S19

release V3.1 binary file (.BIN- 2Kb)

2732 release v3.1 at address $800 - $FFF instead of $000 - $7FF in case you have only a 2732 ( on the 2732 A11 is at '1',which is the same thing for the 2716 as Vpp is at '1' also) (.BIN - 4Kb)

former releases binary files

v2.4 (.BIN- 2Kb)

v3.0 (.BIN - 2Kb)

MC68701 programmer schematics V2.2

MC68701 programmer components side

MC68701 programmer PCB

MC68701 programmer PCB (mirrored)

Cisco cable here only TxD RxD and GND are used

Eagle (v7.2.0) files schematics and pcb

Gerber programmer archive

new version:

updated layout for the QEX-87 68701 programmer. It has been mostly converted to SMT and has a FT232R onboard for serial communication courtesy Tom

https://www.ebay.com/itm/267540678164

ibom.html

schematic (PDF-)

MC68701.zip (full archive) including gerber files and Kicad files

Example here after after power up and with the 'E' command which allow to make a 'blank check':


MC68701 2K/4K PROGRAMMER ON LINE



>
>E 

ENTER SIZE OF PART IN K BYTES (2 OR 4)2

MC68701 NOT ERASED


>

herafter the upload a test file of 4kb ( 'D' command): with release v2.4


MC68701 PROGRAMMER ON LINE


S903F80004777777777777777777777777777777777777777777777777777777777777771D

LOAD COMPLETED
LAST ADDRESS BLOCK LOADED = 8FE0

S903F0000CFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF1D

LOAD ERROR -- ADDRESS OUT OF RANGE

>

with release V3.1


MC68701 2K/4K PROGRAMMER ON LINE


S903F0000CFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF1D

LOAD COMPLETED
LAST ADDRESS BLOCK LOADED = 8FE0
>