Motorola XTS 2500 Service Manual page 602

8.4-10
U401
Pin Number
C11
B10
D10
B11
J10
J15
K16
D7
D3
E6
F7
D6
C5
A9
B8
B9
A10
G6
D13
S15
F11
B15
J13
J16
J12
H11
A5
N6
P8
February 14, 2012
Table 8.4-5. Patriot MCU/DSP (U800) Pinout (Continued)
Description
TX_SSI_CLK
RED_LED
GREEN_LED
TX_SSI_FSYNC
CODEC_TX
CODEC_DCLK
CODEC_FSYNC
MISOA
MISOB
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
BT_DISABLE
NOT USED
BT_WAKE
RX_SSI_CLK
OPT_SEL2_OUT
NOT USED
NOT USED
NOT USED
NOT USED
GROUND
GROUND
GROUND
700/800 MHz Troubleshooting Tables: Tables
To/From Comment
R259 1.536 MHz
Q501, pin 3 Active High
Q501, pin 5 Active High
R251 48 KHz
TX MAKO to DSP
Tx Audio Data
DCLK 512 KHz
SYNC 8 KHz Pulse
U801, pin 4 SPI A Data
Out
BMISO SPI B Data
Out
SSI_CK
R666
GROUND
GROUND
GROUND
Accessible on
Main Board?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
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