Motorola APX 5000 Service Manual page 267

Troubleshooting Tables: List of Board and IC Signals
Table 7-12. Overall GPIO pin functions across multiple boards (Continued)
Signal Name
MORTABLE Specifies Mobile or
Portable hardware
GCAI_GPIO3 GCAI pin 9, GPIO3
GCAI_GPIO4 GCAI pin 12, GPIO4
BLUETOOTH_P PTT signal from
TT Bluetooth AVR
F2_TIMER_INP Receives one of three
UT_CAPTURE timing signals mux'ed
through CPLD - Abacus
Sync, DMCS, Ramp
DAC Trigger.
BT_AVR_STATU AVR status read by
S OMAP
ACC_SPKR_UN BT_Audio_Accessory_U
MUTE nmute signal
BT_SPARE_1.8 Bluetooth_Spare_GPIO
ENC_WAKEUP MACE encryption
wakeup
ENC_RESET MACE encryption reset
5V_PWM_EN Forces SW5 to PWM
GCAI_GPIO2 GCAI pin 5, GPIO2
GCAI_GPIO1 GCAI pin 4, GPIO1
GCAI_GPIO0 GCAI pin 1, GPIO0
GCAI_VBUS_I_ Current limit select for
LIMIT GCAI VBUS
F2_PARAMP_M Factory use to test F2
ON transmit timing. Allows
TX/RX signal to appear
on GCAI GPIO3.
TOP_DISP_DAT Select for data or control
A_CTRL on top display
TOP_DISPLAY_ Reset for color front
RESET display
Unused and Unwired
OMAP Pin
Pin
Description or
Ball #
W13
AA15
R14
Y5
P20
P18
K15
K14
A6
B6
P14
C13
C11
M7
C6
C5
P12
M12
N13
SW Initialized
Active
State
Direction
0=Portabl Input
e
Input
Input
0=Pressed Input
Input
Input
Output
I/0
1 Output
0 I/O
1 Output
Input
Input
Input
1=500mA Output
1=Factory Output
Test
1=data Output
0 Output
Output
HW Reset
*
PU State Direction
None 0 Output
None 0 Output
None Input
PU Input
PD Input
PU Input
Input
PD Input
1 Output
PU 1 I/O
PU 0 Output
None Input
None Input
None Input
0 Output
PU 0 Output
0 Output
1 Output
0 Output
7-17
*
PU
or
PD
PD
PD
PD
PD
PU
PD
PU
PU
None
None
None
PU