Motorola ASTRO XTS 5000 Detailed Service Manual page 113

Troubleshooting Tables: Board and IC Signals
U403
Pin No.
B2
B5
A6
A3
A4
A5
B3
B4
C3
C4
D4
H2
H3
H4
H5
G3
G4
F3
F4
E4
D3
H1
D1
E6
E3
H6
G2
G1
F1
F2
E2
68P81094C31-O
Table 8-5. U403 SRAM Pinouts (Continued)
Description
UB
CS1
CS2
ADDRESS 1
ADDRESS 2
ADDRESS 3
ADDRESS 4
ADDRESS 5
ADDRESS 6
ADDRESS 7
ADDRESS 8
ADDRESS 9
ADDRESS 10
ADDRESS 11
ADDRESS 12
ADDRESS 13
ADDRESS 14
ADDRESS 15
ADDRESS 16
ADDRESS 17
ADDRESS 18
ADDRESS 19
GROUND
GROUND
GROUND
NOT USED
NOT USED
DATA 15
DATA 14
DATA 13
DATA 12
To/From Comment
CS2 (TP) Active Low
C411 Active Low
8-7
Accessible
on Vocon?
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
April 15, 2002