Lpc bus, Usb 1.1/2.0 – ADLINK nanoX-BT User Manual

Page 21

Advertising
background image

nanoX-BT

Page 21

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

Atom clock 33 MHz
Celeron clock 25 MHz

3.3.9. USB 1.1/2.0

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 2

I/O
3.3VSB

USB

1.1/

2.0

compliant

USB3+
USB3-

B43
B42

USB differential data pairs for Port 3

I/O
3.3VSB

USB

1.1/

2.0

compliant

USB4+
USB4-

A40
A39

USB differential data pairs for Port 4

I/O
3.3VSB

Not

supported

USB5+
USB5-

B40
B39

USB differential data pairs for Port 5

I/O
3.3VSB

Not supported

USB6+
USB6-

A37
A36

USB differential data pairs for Port 6

I/O
3.3VSB

Not supported

USB7+
USB7-

B37
B37

USB differential data pairs for Port 7

I/O
3.3VSB

Client only

USB_HOST_PRSNT B96

Module USB client may detect the presence of a USB host. A high value
indicates that a host is present.

I
3.3VSB

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

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 high
on carrier

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 high
on carrier

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 high
on carrier

Advertising