Troubleshooting Tables: List of Board and IC Signals

10-15

 

 

 

Table 10-7. U401 MCU/DSP IC Pinouts (Continued)

U401

Description

To/From

Comment

Accessible

Pin No.

on Vocon?

 

 

 

 

 

 

 

 

 

 

 

 

 

N16

NOT USED

 

 

No

 

 

 

 

 

L12

NOT USED

 

 

No

 

 

 

 

 

M12

CKO

CKO

Disabled

Yes

 

 

 

 

 

N15

NOT USED

 

 

No

 

 

 

 

 

M15

NOT USED

 

 

No

 

 

 

 

 

R12

ADDRESS 0

J101, pin 7

Not accessible

Yes

 

 

 

 

 

T13

ADDRESS 1

 

 

No

 

 

 

 

 

M10

ADDRESS 2

 

 

No

 

 

 

 

 

T12

ADDRESS 3

 

 

No

 

 

 

 

 

P13

ADDRESS 4

 

 

No

 

 

 

 

 

M9

ADDRESS 5

 

 

No

 

 

 

 

 

P10

ADDRESS 6

 

 

No

 

 

 

 

 

P12

ADDRESS 7

 

 

No

 

 

 

 

 

N9

ADDRESS 8

 

 

No

 

 

 

 

 

R10

ADDRESS 9

 

 

No

 

 

 

 

 

P9

ADDRESS 10

 

 

No

 

 

 

 

 

L10

ADDRESS 11

 

 

No

 

 

 

 

 

T10

ADDRESS 12

 

 

No

 

 

 

 

 

R9

ADDRESS 13

 

 

No

 

 

 

 

 

L9

ADDRESS 14

 

 

No

 

 

 

 

 

K9

ADDRESS 15

 

 

No

 

 

 

 

 

J9

ADDRESS 16

 

 

No

 

 

 

 

 

L8

ADDRESS 17

 

 

No

 

 

 

 

 

M8

ADDRESS 18

 

 

No

 

 

 

 

 

N8

ADDRESS 19

 

 

No

 

 

 

 

 

K8

ADDRESS 20

 

 

No

 

 

 

 

 

L7

ADDRESS 21

 

 

No

 

 

 

 

 

T7

ADDRESS 22

 

 

No

 

 

 

 

 

R7

ADDRESS 23

R427*

 

Yes

 

 

 

 

 

R3

DATA 15

 

 

No

 

 

 

 

 

T3

DATA 14

 

 

No

 

 

 

 

 

6881094C12-A

November 11, 2004

Page 149
Image 149
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