Motorola ASTRO XTS 5000 Detailed Service Manual page 118

8-12
U401
Pin No.
K15
D9
C8
B5
C2
C1
H3
K15
T8
H15
C9
B6
E2
D2
E3
E4
B1
F4
F5
C7
C6
G10
G16
J11
A12
A11
E9
C15
F12
D15
April 15, 2002
Table 8-6. U401 Patriot MCU/DSP IC Pinouts (Continued)
Description
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
ABACUS_CS*
UNI_SEL*
FLPR_CS*
GCAP_CE
SCKB
NOT USED
NOT USED
SPI_MOSIB
SCKA
MOSIA
NOT USED
OPT_SEL1_OUT
CODEC_RX
RX_SSI_FSYNC
RX_SSI_CLK
TX_SSI_DATA
BSY_OUT_CTS*
UTXD2
USB_SUSP
Troubleshooting Tables: Board and IC Signals
To/From Comment
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
GROUND
R126 Active Low
R131 Active Low
Active Low
R539 Active High
SCKB SPI B Clock
MOSIB SPI Data Out
SCKA SPI A Clock
MOSIA SPI Data Out
U201, pin 3
R403 DSP to GCAP
Rx Audio Data
R123 20 kHz pulse
R124 1.2 MHz
R127 Data From
DSP to A/D
U303, pin 1
Accessible
on Vocon?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
No
68P81094C31-O