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Table 19
ExpressCard Support Pins Signal Descriptions
Signal
Pin # Description
I/O
PU/PD Comment
EXCD0_CPPE#
EXCD1_CPPE#
A49
B48
ExpressCard capable card request
I 3.3VSB
PU 10k
3.3V
EXCD0_PERST#
EXCD1_PERST#
A48
B47
ExpressCard Reset
O 3.3VSB
Table 20
USB Signal Descriptions
Signal
Pin # Description
I/O
PU/PD Comment
USB0+
USB0-
A46
A45
USB Port 0 differential data pairs
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
Supports Dual Role.
USB1+
USB1-
B46
B45
USB Port 1 differential data pairs
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB2+
USB2-
A43
A42
USB Port 2 differential data pairs
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB3+
USB3-
B43
B42
USB Port 3 differential data pairs
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB4+
USB4-
A40
A39
USB Port 4 differential data pairs
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB5+
USB5-
B40
B39
USB Port 5 differential data pairs
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB6+
USB6-
A37
A36
USB Port 6 differential data pairs
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB7+
USB7-
B37
B36
USB Port 7 differential data pairs
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB7_HOST_PRSNT B96
Module USB client may detect the presence of a USB host on
USB7. A high value indicates that a host is present.
I 3.3VSB
PD 1M0
USB_0_1_OC#
B44
USB over-current sense, USB ports 0 and 1. A pull-up for this line
shall be present on the module. An open drain driver from a USB
current monitor on the carrier board may drive this line low.
I 3.3VSB
PU 10k
3.3VSB
Do not pull this line high on the carrier board.
USB_2_3_OC#
A44
USB over-current sense, USB ports 2 and 3. A pull-up for this line
shall be present on the module. An open drain driver from a USB
current monitor on the carrier board may drive this line low.
I 3.3VSB
PU 10k
3.3VSB
Do not pull this line high on the carrier board.
USB_4_5_OC#
B38
USB over-current sense, USB ports 4 and 5. A pull-up for this line
shall be present on the module. An open drain driver from a USB
current monitor on the carrier board may drive this line low.
I 3.3VSB
PU 10k
3.3VSB
Do not pull this line high on the carrier board.
USB_6_7_OC#
A38
USB over-current sense, USB ports 6 and 7. A pull-up for this line
shall be present on the module. An open drain driver from a USB
current monitor on the carrier board may drive this line low.
I 3.3VSB
PU 10k
3.3VSB
Do not pull this line high on the carrier board.