Motorola APX 3000 Detailed Service Manual page 214

7-6
Signal Name
middle_side_butto Middle side button
n input
mako_intx Mako main interrupt
mako_usb_intx Mako USB interrupt
mako_option_intx Mako Option interrupt
Unused and Unwired
OMAP Pin
top_display_cs Top LCD SPI chip
select
Unused and Unwired
OMAP Pin
mako_cs Mako IC SPI chip
select
mortable Specifies Mobile or
Portable hardware
gcai_gpio3 GPIO3
gcai_gpio4 GPIO4
bluetooth_ptt PTT signal from Blue-
tooth AVR
f2_timer_input_ca "Receives one of
pture three timing signals
mux'ed through CPLD
- Abacus Sync,
DMCS, Ramp DAC
Trigger.
bt_avr_status AVR status read by
OMAP
enc_wakeup MACE encryption
wakeup
enc_reset MACE encryption
reset
5V_pwm_en Forces SW5 to PWM
gcai_gpio2 GPIO2
gcai_gpio1 GPIO1
gcai_gpio0 GPIO0
Table 7-7. Overall GPIO pin functions (Continued)
Pin or
Description
Ball #
T20
P15
AA9
Y12
M14
P3
V19
N15
W13
AA15
R14
Y5
"P20
P18
A6
B6
P14
C13
C11
M7
Troubleshooting Tables: List of Board and IC Signals
SW Initialized
Active State
Direction
0 Input
0 Input
0 Input
0 Input
Input
0 Output
Output
1 Output
0=Porta- Input
ble
Input
Input
0=Pressed Input
Input
Input
1 Output
0 I/O
1 Output
Input
Input
Input
HW Reset
*
PU State Direction
None Input
None Input
None Input
None Input
Pull- Input
down
1 Output
0 Output
Input
None 0 Output
None 0 Output
None Input
Pullup Input
Pull- Input
down
Pullup Input
1 Output
Pullup 1 I/O
Pullup 0 Output
None Input
None Input
None Input
*
PU or
PD
Pull-
down
None
Pull-
down
None
Pull-
down
Pull-
down
Pull-
down
Pull-
down
Pull-
down
Pull-
down
Pullup
Pullup
None
None
None