7 express card, 8 lpc bus, 9 usb – ADLINK cExpress-HL User Manual

Page 19

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cExpress-HL

Page 19

Signal

Pin #

Description

I/O

PU/PD

Comment

PCIE_RX5+
PCIE_RX5-

B52
B53

PCI Express channel 5, Receive Input differential
pair.

I PCIE

Not supported

PCIE_CLK_REF+
PCIE_CLK_REF-

A88
A89

PCI Express Reference Clock output for all PCI
Express and PCI Express Graphics Lanes.

O PCIE

3.3.7

Express Card

Signal

Pin #

Description

I/O

PU/PD

Comment

EXCD0_CPPE#
EXCD1_CPPE#

A49
B48

PCI ExpressCard: PCI Express capable card request

I 3.3V

PU 10k 3.3V

EXCD0_PERST#
EXCD1_PERST#

A48
B47

PCI ExpressCard: reset

O 3.3V

3.3.8

LPC Bus

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_DRQ0#
LPC_DRQ1#

B8
B9

LPC serial DMA request

I 3.3V

LPC_SERIRQ

A50

LPC serial interrupt

I/O OD 3.3V

PU 8k2 3.3V

LPC_CLK

B10

LPC clock output - 33MHz nominal

O 3.3V

3.3.9

USB

Signal

Pin # Description

I/O

PU/PD

Comment

USB0+
USB0-

A46
A45

USB differential data pairs for Port 0

I/O 3.3VSB

USB 1.1/ 2.0 compliant

USB1+
USB1-

B46
B45

USB differential data pairs for Port 1

I/O 3.3VSB

USB 1.1/ 2.0 compliant

USB2+
USB2-

A43
A42

USB differential data pairs for Port 1

I/O 3.3VSB

USB 1.1/ 2.0 compliant

USB3+
USB3-

B43
B42

USB differential data pairs for Port 2

I/O 3.3VSB

USB 1.1/ 2.0 compliant

USB4+
USB4-

A40
A39

USB differential data pairs for Port 3

I/O 3.3VSB

USB 1.1/ 2.0 compliant

USB5+
USB5-

B40
B39

USB differential data pairs for Port 4

I/O 3.3VSB

USB 1.1/ 2.0 compliant

USB6+
USB6-

A37
A36

USB differential data pairs for Port 5

I/O 3.3VSB

USB 1.1/ 2.0 compliant

USB7+
USB7-

B37
B37

USB differential data pairs for Port 6

I/O 3.3VSB

USB 1.1/ 2.0 compliant

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 high on
carrier

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