Motorola APX 1000 - Page 277

Troubleshooting Tables: List of Board and IC Signals 7-51
NC NC R18 Input Pull-
down
Input Pull-
down
NC NC Y8 I/O Pul-
lup
Input Pull-
down
NC NC W8 I/O Pul-
lup
Input Pull-
down
NC NC V8 I/O Pul-
lup
Input Pull-
down
NC NC W15 I/O Pul-
lup
Input Pull-
down
NC NC R10 I/O Pul-
lup
Input Pull-
down
uart1_tx UART1 Serial Trans-
mit Data
Y14 Output None 0 Output Pull-
down
uart1_rx UART1 Serial
Receive Data
V14 Input Pul-
lup
Input Pull-
down
uart1_rts UART1 Request To
Send (output)
AA15 Output None 0 Output Pull-
down
uart1_cts UART1 Clear To
Send (input)
R14 Input Pul-
lup
Input Pull-
down
uart3_tx UART3 Serial Trans-
mit Data
M18 Output None 0 Output Pull-
down
uart3_rx UART3 Serial
Receive Data
L14 Input Pul-
lup
Input Pull-
down
usb1_txen USB1 Transmit
Enable
W16 0 Output None Input None
usb1_data USB1 Bidirectional
Data
W14 I/O None 0 Output Pull-
down
usb1_se0 USB1 Bidirectional
Single Ended Zero
R13 I/O None U Output Pull-
down
usb0_txen USB0 Transmit
Enable
W4 0 Output None 1 Output Pull-
down
usb0_data USB0 Bidirectional
Data
P9 I/O None Input None
usb0_se0 USB0 Bidirectional
Single Ended Zero
R8 I/O None Input None
ssi_omap_clock SSI Clock into OMAP G21 Input None Input None
Table 7-18. Overall GPIO pin functions (Continued)
Signal Name Description
Pin
or
Ball #
Active
State
SW Initialized HW Reset
Direction
*
PU State Direction
*
PU
or
PD