ADLINK Technology Com Express nanoX-BT, User Manual

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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