MC68HC705J1A Mask Option Register (MOR) Programming

[nichobeg]

Hello,

I am attempting to program the MOR register for a Freescale MC68HC705J1A chip using a DATAMAN-48Pro+. These are OTP parts. I am using a chip carrier for the SOIC20 part to mate with the ZIF connector on top. I have the latest version of the control program downloaded off the website.

When I go to program the part there is an option to select either: All device except Option Register, or Option Register.

If I send it my S19 file which inlcudes the byte for address 0x7F1 (the MOR address), and select All device except Option Register AND Option Register, it fills up the device memory with incrementing numbers. Example below:

0000000600 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F ................
0000000610 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F ................
0000000620 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F !"#$%&'()*+,-./
0000000630 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 0123456789:;<=>?
0000000640 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F @ABCDEFGHIJKLMNO
0000000650 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F PQRSTUVWXYZ[\]^_
0000000660 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F `abcdefghijklmno
0000000670 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F pqrstuvwxyz{|}~.
0000000680 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F €‚ƒ„…†‡ˆ‰Š‹ŒŽ
0000000690 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F ‘’“”•–—˜™š›œžŸ
00000006A0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF  ¡¢£¤¥¦§¨©ª«¬­®¯
00000006B0 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF °±²³´µ¶·¸¹º»¼½¾¿
00000006C0 C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏ
00000006D0 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF ÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞß
00000006E0 E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF àáâãäåæçèéêëìíîï

I have also attempted to program the MOR register as a 2nd step, first programming using my original s19 file and selecting "All device except Option Register", and then as a 2nd step programming the MOR register. After the first step everything is programmed correctly (reading the device into the buffer and verifying it against the s19 file), and then after the 2nd step the device ends up in the the same state as the shown above! Which is weird to me becasue it is supposed to be OTP....

Clearly I am missing something...

I guess my question is, has anyone had success programming the MOR register using a DATAMAN programmer? And what am I doing wrong?

thanks for any help

[Dataman (Neil Parker)]

Hello nichobeg,

Can I ask you to email me a copy of your s19 file and a log file of the steps that you have taken to program the device.

If you can recreate the situation as you describe and then use the "Help | Create problem report" feature which will place a log file on your desktop.

Please some both files to me at [email protected] for analysis.

Regards
Neil Parker
Technical Support

[nichobeg]

Thank you for your reply.
As it turns out this was NOT a problem with the programmer at all. I had neglected to pay close attention to the MOR settings that were being programmed, and one of the bits set was to disable EEPROM access after initial programming! So, although the programmer successfully programmed the chip, after reading it back into the buffer it looked like it was not programmed correctly.

All is well, and I appreciate your help.