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Table 15 LPC Signal Descriptions
Signal
Pin # Description
I/O
PU/PD
Comment
LPC_AD[0:3]
B4-B7
LPC multiplexed address, command and data bus
I/O 3.3V
LPC_FRAME#
B3
LPC frame indicates the start of an LPC cycle
O 3.3V
LPC_DRQ[0:1]#
B8-B9
LPC serial DMA request
I 3.3V
PU 10k 3.3V
Not supported
LPC_SERIRQ
A50
LPC serial interrupt
I/O OD 3.3V PU 10k 3.3V
LPC_CLK
B10
LPC clock output - 24 MHz nominal
O 3.3V
Table 16 USB Signal Descriptions
Signal
Pin # Description
I/O
PU/PD Comment
USB0+
A46
USB Port 0, data + or D+
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB0-
A45
USB Port 0, data - or D-
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB1+
B46
USB Port 1, data + or D+
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB1-
B45
USB Port 1, data - or D-
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB2+
A43
USB Port 2, data + or D+
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB2-
A42
USB Port 2, data - or D-
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB3+
B43
USB Port 3, data + or D+
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB3-
B42
USB Port 3, data - or D-
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB4+
A40
USB Port 4, data + or D+
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB4-
A39
USB Port 4, data - or D-
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB5+
B40
USB Port 5, data + or D+
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB5-
B39
USB Port 5, data - or D-
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB6+
A37
USB Port 6, data + or D+
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB6-
A36
USB Port 6, data - or D-
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB7+
B37
USB Port 7, data + or D+
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
USB7-
B36
USB Port 7, data - or D-
I/O
USB 2.0 compliant. Backwards compatible to USB 1.1
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.