Motorola ASTRO XTS 5000 - Table 7-6. U403 SRAM Pinouts

6881094C31-E November 16, 2006
Troubleshooting Tables: List of Board and IC Signals 7-7
E6 DATA 1 R429** Yes
F7 DATA 0 R428** Yes
A5 VPP D402, pin 3 1.875 V Yes
G6 VSW2 C409* 1.875 V Yes
E1 VSW2 C409* 1.875 V Yes
G4 VSW2 C409* 1.875 V Yes
A4 VSW2 C409* 1.875 V Yes
* = Component located under a shield on NNTN4563, NNTN4819, & NNTN4717
** = No test point/component on NNTN4563, NNTN4819, & NNTN4717 - signal not
accessible
Table 7-6. U403 SRAM Pinouts
U403
Pin No.
Description To/From Comment
Accessible
on Vocon?
A2 EN_OE No
G5 R_W R_W W = 0 V Yes
A1 LB No
B2 UB No
B5 CS1 CS2 (TP) Active Low Yes
A6 CS2 C411* Active Low Yes
A3 ADDRESS 1 Yes
A4 ADDRESS 2 Yes
A5 ADDRESS 3 Yes
B3 ADDRESS 4 Yes
B4 ADDRESS 5 Yes
C3 ADDRESS 6 Yes
C4 ADDRESS 7 Yes
D4 ADDRESS 8 No
H2 ADDRESS 9 No
H3 ADDRESS 10 No
H4 ADDRESS 11 No
H5 ADDRESS 12 No
Table 7-5. U402 FLASH Pinouts (Continued)
U402
Pin No.
Description To/From Comment
Accessible
on Vocon?