Motorola APX 5000 Service Manual page 273

Troubleshooting Tables: List of Board and IC Signals
Table 7-12. Overall GPIO pin functions across multiple boards (Continued)
Signal Name
UART1_RX UART1 Serial Receive
Data
UART1_RTS UART1 Request To
Send (output)
UART1_CTS UART1 Clear To Send
(input)
UART3_TX UART3 Serial Transmit
Data
UART3_RX UART3 Serial Receive
Data
USB1_TXEN USB1 Transmit Enable
USB1_DATA USB1 Bidirectional Data
USB1_SE0 USB1 Bidirectional
Single Ended Zero
USB0_TXEN USB0 Transmit Enable
USB0_DATA USB0 Bidirectional Data
USB0_SE0 USB0 Bidirectional
Single Ended Zero
SSI_OMAP_CL SSI Clock into OMAP
OCK
SSI_OMAP_SY SSI Sync into OMAP
NC
SSI_OMAP_TX SSI Serial Data from
D CODEC
SSI_OMAP_RX SSI Serial Data to
D CODEC
SPI_ARM_CLK ARM SPI Clock from
OMAP
SPI_ARM_MOSI ARM SPI Data from
OMAP
SPI_ARM_MISO ARM SPI Data into
OMAP
SPI_DSP_CLK DSP SPI Clock from
OMAP
SPI_DSP_MOSI DSP SPI Data from
OMAP
Pin
Description or
Ball #
V14
AA15
R14
M18
L14
W16
W14
R13
W4
P9
R8
G21
H15
H20
H18
U19
W21
U18
N14
P14
SW Initialized
Active
State
Direction
Input
Output
Input
Output
Input
0 Output
I/O
I/O
0 Output
I/O
I/O
Input
Input
Input
Output
I/O
I/O
Input
I/O
Output
HW Reset
*
PU State Direction
PU Input
None 0 Output
PU Input
None 0 Output
PU Input
None Input
None 0 Output
None U Output
None 1 Output
None Input
None Input
None Input
None Input
None Input
None 0 Output
PD Input
PD 0 Output
PD Input
PD Input
PD Input
7-23
*
PU
or
PD
PD
PD
PD
PD
PD
None
PD
PD
PD
None
None
None
None
PD
PD
None
PD
PD
None
PD