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 <<O>>  Difference Topic EcuChippingWirelist (r1.3 - 14 Nov 2005 - Home.markolson)
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USDM P28: (Feed-throughs not noted) 
373 Latch:
 
Pin 1 (/OE) -> 373 Pin 10 -> ROM Pin 14 (GND)
Pin 2 (1Q) -> ROM Pin 10 (A0) 
Pin 3 (1D) -> RM3 Pin 2 -> ROM Pin 11 (I/O0) -> 66K Pin 1 (AD0)
Pin 4 (2D) -> RM3 Pin 3 -> ROM Pin 12 (I/O1) -> 66K Pin 2 (AD1) 
Pin 5 (2Q) -> ROM Pin 9 (A1) 
Pin 6 (3Q) -> ROM Pin 8 (A2) 
Pin 7 (2D) -> RM3 Pin 4 -> ROM Pin 13 (I/O2) -> 66K Pin 3 (AD2) 
Pin 8 (2D) -> RM3 Pin 5 -> ROM Pin 15 (I/O3) -> 66K Pin 4 (AD3) 
Pin 9 (4Q) -> ROM Pin 7 
Pin 10 (GND) -> 373 Pin 1 -> ROM Pin 14 (GND) 
Pin 11 (LE) -> 66K Pin 22 (ALE) 
Pin 12 (5Q) -> ROM Pin 4 (A6) 
Pin 13 (5D) -> RM3 Pin 8 -> ROM Pin 18 (I/O6) -> 66K Pin 7 (AD6) 
Pin 14 (6D) -> RM3 Pin 9 -> ROM Pin 19 (I/O7) -> 66K Pin 8 (AD7) 
Pin 15 (6Q) -> ROM Pin 3 (A7) 
Pin 16 (7Q) -> ROM Pin 5 (A5) 
Pin 17 (7D) -> RM3 Pin 7 -> ROM Pin 17 (I/O5) -> 66K Pin 6 (AD5) 
Pin 18 (8D) -> RM3 Pin 6 -> ROM Pin 16 (I/O4) -> 66K Pin 5 (AD4) 
Pin 19 (8Q) -> ROM Pin 6 (A4) 
Pin 20 (VCC) -> ROM Pin 28 (VCC) -> ROM Pin 1 (/WE) 

ROM Socket:
 
Pin 1 (VCC) -> ROM Pin 28 (VCC) -> 373 Pin 20 (VCC) 
Pin 2 (A12) -> 66K Pin 13 (A12) 
Pin 3 (A7) -> 373 Pin 15 (6Q) 
Pin 4 (A6) -> 373 Pin 12 (5Q) 
Pin 5 (A5) -> 373 Pin 16 (7Q) 
Pin 6 (A4) -> 373 Pin 19 (8Q) 
Pin 7 (A3) -> 373 Pin 9 (4Q) 
Pin 8 (A2) -> 373 Pin 6 (3Q) 
Pin 9 (A1) -> 373 Pin 5 (2Q) 
Pin 10 (A0) -> 373 Pin 2 (1Q) 
Pin 11 (I/O0) -> RM3 Pin 2 -> 373 Pin 3 (1D) -> 66K Pin 1 (AD0) 
Pin 12 (I/O1) -> RM3 Pin 3 -> 373 Pin 4 (2D) -> 66K Pin 2 (AD1) 
Pin 13 (I/O2) -> RM3 Pin 4 -> 373 Pin 7 (3D) -> 66K Pin 3 (AD2) 
Pin 14 (GND) -> 373 Pin 10 (GND) -> 373 Pin 1 (/OE) 
Pin 15 (I/O3) -> RM3 Pin 5 -> 373 Pin 8 (4D) -> 66K Pin 4 (AD3) 
Pin 16 (I/O4) -> RM3 Pin 6 -> 373 Pin 18 (8D) -> 66K Pin 5 (AD4) 
Pin 17 (I/O5) -> RM3 Pin 7 -> 373 Pin 17 (7D) -> 66K Pin 6 (AD5) 
Pin 18 (I/O6) -> RM3 Pin 8 -> 373 Pin 13 (5D) -> 66K Pin 7 (AD6) 
Pin 19 (I/O7) -> RM3 Pin 9 -> 373 Pin 14 (6D) -> 66K Pin 8 (AD7) 
Pin 20 (/CE) -> R5A (and the other side of R5A is connected to GND) 
Pin 21 (A10) -> 66K Pin 11 (A10) 
Pin 22 (/OE) -> R49 -> 66K Pin 23 (/PSEN) 
Pin 23 (A11) -> 66K Pin 12 (A11) 
Pin 24 (A9) -> 66K Pin 10 (A9) 
Pin 25 (A8) -> 66K Pin 9 (A8 ) 
Pin 26 (A13) -> 66K Pin 14 (A13) 
Pin 27 (A14) -> 66K Pin 15 (A14) 
Pin 28 (VCC) -> ROM Pin 1 (/WE) -> 373 Pin 20 (VCC)
-- markolson - 14 Nov 2005


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Revision r1.2 - 28 Dec 2004 - 01:07 GMT - Home.markolson
Revision r1.3 - 14 Nov 2005 - 07:30 GMT - Home.markolson 		%WEBCOPYRIGHT%