Motorola ASTRO XTS 5000 Detailed Service Manual page 95

Troubleshooting Tables: List of Board and IC Signals
U401
Pin No.
L16
F13
B16
D14
B12
C11
B10
D10
B11
J10
J15
K16
D7
D3
E6
F7
D6
C5
A9
B8
B9
A10
G6
D13
S15
F11
6881094C31-C
Table 7-7. U401 Patriot MCU/DSP IC Pinouts (Continued)
Description
URTS1_XRXD
ADTRIG
URXD2
BSY_IN_RTS
RX_SSI_DATA
TX_SSI_CLK
RED_LED
GREEN_LED
TX_SSI_FSYNC
CODEC_TX
CODEC_DCLK
CODEC_FSYNC
SPI_MISOA
SPI_MISOB
NOT USED
NOT USED
EEPROM_SEL*
AD_CS*
NOT USED
NOT USED
NOT USED
NOT USED
BT_DISABLE
NOT USED
BT_WAKE
RX_SSI_CLK
To/From Comment
U303, pin 4
R123 Data From
Abacus to
DSP
R125 1.536 MHz
Q201, pin 3 Active High
Q201, pin 5 Active High
R119 48 kHz
R402 GCAP to DSP
Tx Audio Data
R405 520 kHz
(NTN9564
NNTN4563
NNTN4819)
256 kHz
(NNTN4717)
R406 8 kHz Pulse
MISOA SPI A Data In
MISOB SPI B Data In
R132 Active Low
R133 Active Low
R124
7-11
Accessible
on Vocon?
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
No
No
No
No
No
Yes
October 14, 2003