16188051 IC contents

David A. Cooley n5xmt at bellsouth.net
Fri Apr 2 17:40:48 GMT 1999


At 08:53 AM 4/2/99 -0500, Dave Hempstead wrote:
>
>I received a PCM for experiments.   THANK YOU SCOTT KNIGHT.
>It is out of a '94 Caprice.  It is the same number as
>my PCM from a '95 Camaro.  Here is what is in it:
>(I've only listed IC's, excepting the power IC's,
>and the numbers printed on the boards).
>
>
>Contents of 16188051 PCM
>
>Red, Black connector PC board
>
>PC board numbers:
>188A584 P5
>188B584 P7 (??)
>188A584 P1
>
>Large IC's
>185 16156598 C94R KQEVB9347F            68pin PLCC

This is the MCU.  It's a 68HC11F1 variant... Pinout seems identical.

>A33801 66285 Delco 466                  68pin PLCC

IOR, Input/Output with RAM

>185 16166079 084G KQEUT9402L            68pin PLCC
>Flash AN28F512                          32pin PLCC

512K flash ram

>609 3700518 CP07700 129170 9350N NCR    52pin PLCC
>609 3700521 CP06893 144436 9339N NCR    28pin PLCC
>40319732 27474 466                      28pin PLCC

REST- do not know what it stands for, but is used for Timing.

>
>Smaller IC's
>014 P37AP 73098                         14pin SOP
>014 M39AG 89551                         14pin SOP
>014 M39AK 89551                         14pin SOP
>
>12.5829 crystal
>
>-----------------------------------------------------
>Blue, Grey connector PC board
>
>PC board numbers:
>165D553 P5
>165D553 P1
>
>Large IC's
>185 16156598 C94R KQEWA9343K            68pin PLCC

MCU HC11F1

>A35207 66285 Delco 466                  68pin PLCC

IOR

>Flash AN28F512                          32pin PLCC

512K Flash ram

>40339531 64606 466                      28pin PLCC   ALDL interface?

SXR-Serial Comm Controller

>
>014 S38BD 34987                         20pin PLCC   O2 amp??
>014 S38DK 34987                         20pin PLCC   O2 amp??

I was told these were O2 interfaces, but Delco swares they are 28 pin PLCC's...

>
>Smaller IC's
>N57245 P37AK                            14pin SOP
>N45153 P38AT                            16pin SOP
>N45153 P38AR                            16pin SOP
>014 P39BB 45153                         16pin SOP
>014 M37DL 65422                         8pin SOP
>014 M37AP 73098                         14pin SOP
>16127472 889980Q Hnn9344 Philips        14pin SOP
>
>12.5829 crystal
>
>Knock module 16188309 1084028
>
>
>
>Next step, id'ing each chip.
>(I've gotta believe 2 of the 68pin PLCC packages are the 68HC11F1 and
>the IO with RAM chips)

See above... 1 cpu and 1 IOR on each.

Later,
DAve

===========================================================
           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
     Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
       I am Pentium of Borg...division is futile...you will be approximated.
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