Toradex Apalis Series - Page 26

Apalis Carrier Board Design Guide
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Apalis
Pin
Apalis
Signal Name
I/O
Type
Power
Rail
Description
74
USBO1_D+
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
USBO1_SSRX+
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
USBO1_SSTX+
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
USBH2_D+
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
USBH3_D+
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
USBH4_D+
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 H4_SSRX+
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
USBH4_SSTX+
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