Motorola ASTRO XTS 5000 Detailed Service Manual page 101

Troubleshooting Tables: List of Board and IC Signals
U401
Pin No.
J8
T4
N5
P5
R5
T5
R6
T6
M7
N7
P7
N11
T11
R14
N12
T14
R11
R15
P16
M13
R13
N14
T16
P14
N13
T15
* = Component located under a shield on NNTN4563, NNTN4819, & NNTN4717
** = No test point/component on NNTN4563, NNTN4819, & NNTN4717 - signal not
accessible
6881094C31-C
Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued)
Description
DATA 10
DATA 9
DATA 8
DATA 7
DATA 6
DATA 5
DATA 4
DATA 3
DATA 2
DATA 1
DATA 0
R_W
NOT USED
NOT USED
CS3*
CS2
NOT USED
CS0
OE_EN
EB1_N
EBO_N
NOT USED
WAIT
NOT USED
ADV
B_CLK
To/From Comment
R435**
R434**
R433**
R432**
R431**
R430**
R429**
R428**
R_W
R106** Active Low
CS2 Active Low
CS0 Active Low
WAIT**
ADV**
B_CLK**
7-17
Accessible
on Vocon?
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
No
No
No
No
Yes
No
Yes
Yes
October 14, 2003