Motorola APX 6000 Service Manual

7-16 Troubleshooting Tables: List of Board and IC Signals
Table 7-12. Overall GPIO pin functions across multiple boards
Signal Name Description
Pin
or
Ball #
Active
State
SW Initialized HW Reset
Direction
*
PU State Direction
*
PU
or
PD
TP6309 Class D audio PA
shutdown control
M7 0 Input PU
AUDIO_PA_SHT
DN
Engineering Test Point M8
Output 0 Output
CODEC_CS DSP SPI chip select for
TI dual CODEC
Y1 0 Output 1 Output
ABACUS_CS DSP SPI chip select for
Abacus IC
L3 0 Output 0 Output
TRIDENT_CS DSP SPI chip select for
Trident IC
V6 0 Output 0 Output
SYNTHESIZER_
LOCK
RF synthesizer lock
detect
V15 1=Lock Input None Input None
F2_TIMER_DM
CS
Timer output compare
for DMCS or SYNCB
M20 1 Output
Input PD
MAKO_TX_RX Trigger for Mako DAC
ramp
L14 1=TX Output
*Input None
EEPROM_CS RF EEPROM SPI chip
select
G19 0 Output
0 Output
OPTION_SPI_C
S
Option board SPI chip
select
W9 0 Output 0 Output
DAC_CS RF DAC chip select T19 0 Output Input PD
PUSH_TO_TAL
K
Push to talk button input T20 0 Input None
Input PD
MAKO_INTX Mako main interrupt P15 0 Input None
Input None
MAKO_USB_IN
TX
Mako USB interrupt AA9 0 Input None
Input PD
MAKO_OPTION
_INTX
Mako Option interrupt Y12 0 Input None
Input None
Unused and Unwired
OMAP Pin
M14
Input PD Input PD
TOP_DISPLAY_
CS
Top LCD SPI chip select P3 0 Output
1 Output
Unused and Unwired
OMAP Pin
V19 Output 0 Output
MAKO_CS Mako IC SPI chip select N15 1 Output Input PD

Motorola APX 6000 Specifications

General

Brand	Motorola
Model	APX 6000
Category	Two-Way Radio
Language	English