User's Manual l TQMa335xL UM 0101 l © 2019, TQ-Systems GmbH
Page 21
3.2.4.18
UART4
The UART4 interface does not provide handshake signals.
AM335x
LGA pads
UART4_TX
UART4_RX
UART4_TX
UART4_RX
Illustration 8:
Block diagram UART4 interface
The following table shows the signals used by the UART4 interface.
Table 29:
UART4 signals
TQMa335xL pad
Signal
Pad
Dir.
AM335x ball
P15
UART4_RXD
GPMC_WAIT0
I/O
T17
R15
UART4_TXD
GPMC_WP#
I/O
U17
3.2.4.19
USB
The AM335x provides two USB OTG cores with integrated High Speed PHYs.
All signals are routed to the TQMa335xL pads as primary functions.
The following table shows the signals used by the USB_H1 interface.
Table 30:
USB_H1 signals
TQMa335xL pad
Signal
Pad
Dir.
AM335x ball
G16
USB0_CE
USB0_CE
A
M15
G17
USB0_DM
USB0_DM
A
N18
H17
USB0_DP
USB0_DP
A
N17
J16
USB0_DRVBUS
USB0_DRVBUS
I/O
F16
H16
USB0_ID
USB0_ID
A
P16
J17
USB0_VBUS
USB0_VBUS
A
P15
R16
USB1_CE
USB1_CE
A
P18
P17
USB1_DM
USB1_DM
A
R18
R17
USB1_DP
USB1_DP
A
R17
U16
USB1_DRVBUS
USB1_DRVBUS
I/O
F15
T16
USB1_ID
USB1_ID
A
P17
T17
USB1_VBUS
USB1_VBUS
A
T18
3.2.4.20
EXTINT#
The signal EXTINT# of the AM335x is routed to TQMa335xL pad A12.
Table 31:
EXTINT# signal
TQMa335xL pad
Signal
Pad
Dir.
AM335x ball
Remark
A12
EXTINT# (NMI#)
EXTINT#
I
B18
Routed to NMI# of AM335x