Motorola ASTRO XTS 5000 Detailed Service Manual page 137

Digital portable radios
Hide thumbs Also See for ASTRO XTS 5000:
Table of Contents

Advertisement

Troubleshooting Tables: List of Board and IC Signals
U401
Pin No.
L13
D11
E16
F15
K5
H8
F16
K6
H12
H13
E10
F10
D12
C13
E11
A14
E12
M16
L14
P15
L11
M14
N16
L12
M12
N15
M15
6881094C31-D
Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued)
Description
NOT USED
ONE_WIRE_EN*
KVL_USB_DET*
NOT USED
BAT_BUS_EN*
NOT USED
RESET
USB_VPI
BL_FREQ
NOT USED
DSP_DE
MCU_DE
TCK
TMS
TRST
TDO
TDI
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
CKO
NOT USED
NOT USED
To/From
Comment
Active Low
Active Low
Q507, pin 2
Active Low
RESET_OUT
Reset = 0 V
(NTN9564)
D401, Pin 3
(NNTN4563
NNTN4819,
NNTN4717)
Q202, pin 5
Active High
DSP_DE
ONCE/JTAG
MCU_DE
ONCE/JTAG
TCK
ONCE/JTAG
TMS
ONCE/JTAG
TRST
ONCE/JTAG
TDO
ONCE/JTAG
TDI
ONCE/JTAG
CKO
Disabled
7-15
Accessible
on Vocon?
No
No
No
No
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
No
No
July 21, 2004

Advertisement

Table of Contents
loading

Table of Contents