Motorola ASTRO XTS 5000 Detailed Service Manual page 128

8-22
U501
Pin No.
G6
F6
K8
K9
J9
J8
A1
B1
C3
C2
C1
D3
D2
D1
E4
E3
E2
E1
F3
F2
F1
F4
F5
E5
G1
G2
April 15, 2002
Table 8-8. U501 GCAP II IC Pinouts (Continued)
Description
LS2IN_TG2A
LS2OUT_TG2
ALRT_GND
ALRT_OUT
ALRT_VCC
SIMI_O
AD5_VOLUME
AGND3
DWN_OUT
DWN_IN
CMP_OUT
DSC_INN
DSC_INP
SPI_CLK
SPI_DR
SPI_DW
SR_VCCIN
SR_VCCOUT
SR_IN
SR_OUT
INTERRUPT
CE
CLK_IN
CODEC_DCLK
CODEC_TX
CODEC_RX
Troubleshooting Tables: Board and IC Signals
To/From Comment
GROUND
NC
NC
NC
R526 0-2.5V
GROUND
NC I
GROUND
NC
GROUND
GROUND
SCKB SPI Data
Clock
MISOB SPI Data Read
From GCAP
MOSIB SPI Data Write
To GCAP
NC
NC
NC
NC
R538 GCAP
Interrupt
R539 Active High
GCAP Chip
EN
C452 13 MHz
R405 520 kHz
R402 TX Audio Data
To DSP
R403 RX Audio Data
From DSP
Accessible
on Vocon?
Yes
No
No
No
No
No
Yes
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
68P81094C31-O