Table 7-12. Overall Gpio Pin Functions Across Multiple Boards - Motorola APX 5000 Service Manual

7-16
Signal Name
TP6309 Class D audio PA
shutdown control
AUDIO_PA_SHT Engineering Test Point
DN
CODEC_CS DSP SPI chip select for
TI dual CODEC
ABACUS_CS DSP SPI chip select for
Abacus IC
TRIDENT_CS DSP SPI chip select for
Trident IC
SYNTHESIZER_ RF synthesizer lock
LOCK detect
F2_TIMER_DM Timer output compare
CS for DMCS or SYNCB
MAKO_TX_RX Trigger for Mako DAC
ramp
EEPROM_CS RF EEPROM SPI chip
select
OPTION_SPI_C Option board SPI chip
S select
DAC_CS RF DAC chip select
PUSH_TO_TAL Push to talk button input
K
MAKO_INTX Mako main interrupt
MAKO_USB_IN Mako USB interrupt
TX
MAKO_OPTION Mako Option interrupt
_INTX
Unused and Unwired
OMAP Pin
TOP_DISPLAY_ Top LCD SPI chip select
CS
Unused and Unwired
OMAP Pin
MAKO_CS Mako IC SPI chip select

Table 7-12. Overall GPIO pin functions across multiple boards

Pin
Description or
Ball #
M7
M8
Y1
L3
V6
V15
M20
L14
G19
W9
T19
T20
P15
AA9
Y12
M14
P3
V19
N15
Troubleshooting Tables: List of Board and IC Signals
SW Initialized
Active
State
Direction
0
Output
0 Output
0 Output
0 Output
1=Lock Input
1 Output
1=TX Output
0 Output
0 Output
0 Output
0 Input
0 Input
0 Input
0 Input
Input
0 Output
Output
1 Output
HW Reset
*
PU State Direction
Input
0 Output
1 Output
0 Output
0 Output
None Input
Input
*Input
0 Output
0 Output
Input
None Input
None Input
None Input
None Input
PD Input
1 Output
0 Output
Input
*
PU
or
PD
PU
None
PD
None
PD
PD
None
PD
None
PD
PD