Apalis Carrier Board Design Guide
Toradex AG l Altsagenstrasse 5 l 6048 Horw l Switzerland l +41 41 500 48 00 l
l
Page | 26
Apalis
Pin
Apalis
Signal Name
I/O
Type
Power
Rail
Description
74
I/O
USB
3.3V
Positive differential USB signal, OTG capable
76
USBO1_D-
I/O
USB
3.3V
Negative differential USB signal, OTG capable
62
USB
I
USB
Positive differential receiving signal for USB3.0, OTG capable
64
USBO1_SSRX-
I
USB
Negative differential receiving signal for USB3.0, OTG capable
68
USB
O
USB
Positive differential transmission signal for USB3.0, OTG capable
70
USBO1_SSTX-
O
USB
Negative differential transmission signal for USB3.0, OTG capable
72
USBO1_ID
I
CMOS
3.3V
Cable identification pin for the OTG
60
USBO1_VBUS
I
CMOS
3.3V/
5V tolerant
Bus voltage detection in the OTG client mode
274
USBO1_EN
O
CMOS
3.3V
Enable signal for the bus voltage output in host mode for the
USBO1 interface
262
USBO1_OC#
I
OD
3.3V
Overcurrent input signal for the USBO1 interface
Table 9: USBO1 signals
USBH2 and USBH3 ports do not provide the additional data signals for SuperSpeed USB3.0. The
power enable and overcurrent signals are shared also with the USBH4 port.
Apalis
Pin
Apalis
Signal Name
I/O
Type
Power
Rail
Description
80
I/O
USB
3.3V
Positive differential USB host signal
82
USBH2_D-
I/O
USB
3.3V
Negative differential USB host signal
84
USBH_EN
O
CMOS
3.3V
Enable signal for the bus voltage output, shared with all USB host
ports
96
USBH_OC#
I
OD
3.3V
Over current input signal, shared with all USB host ports
Table 10: USBH2 signals
Apalis
Pin
Apalis
Signal Name
I/O
Type
Power
Rail
Description
86
I/O
USB
3.3V
Positive differential USB host signal
88
USBH3_D-
I/O
USB
3.3V
Negative differential USB host signal
84
USBH_EN
O
CMOS
3.3V
Enable signal for the bus voltage output, shared with all USB host
ports
96
USBH_OC#
I
OD
3.3V
Overcurrent input signal, shared with all USB host ports
Table 11: USBH3 signals
Apalis
Pin
Apalis
Signal Name
I/O
Type
Power
Rail
Description
98
I/O
USB
3.3V
Positive differential USB host signal
100
USBH4_D-
I/O
USB
3.3V
Negative differential USB host signal
94
USB
I
USB
Positive differential receiving host signal for USB3.0
92
USB H4_SSRX-
I
USB
Negative differential receiving host signal for USB3.0
106
USB
O
USB
Positive differential transmission host signal for USB3.0
104
USB H4_SSTX-
O
USB
Negative differential transmission host signal for USB3.0
84
USBH_EN
O
CMOS
3.3V
Enable signal for the bus voltage output, shared with all USB host
ports
96
USBH_OC#
I
OD
3.3V
Overcurrent input signal, shared with all USB host ports
Table 12: USBH4 signals