Lpc Bus; Usb - ADLINK Technology COM Express Express-BL User Manual

3.3.9.

LPC Bus

Signal Pin #
LPC_AD[0:3] B4-B7
LPC_FRAME# B3
LPC_DRQ0# B8
LPC_DRQ1# B9
LPC_SERIRQ A50
LPC_CLK B10

3.3.10. USB

Signal Pin #
USB0+ A46
USB0- A45
USB1+ B46
USB1- B45
USB2+ A43
USB2- A42
USB3+ B43
USB3- B42
USB4+ A40
USB4- A39
USB5+ B40
USB5- B39
USB6+ A37
USB6- A36
USB7+ B37
USB7- B37
USB_0_1_OC# B44
USB_2_3_OC# A44
USB_4_5_OC# B38
USB_6_7_OC# A38
Description
LPC multiplexed address, command and data bus
LPC frame indicates the start of an LPC cycle
LPC serial DMA request
LPC serial interrupt
LPC clock output –33MHz nominal
Description
USB differential data pairs for Port 0
USB differential data pairs for Port 1
USB differential data pairs for Port 1
USB differential data pairs for Port 2
USB differential data pairs for Port 3
USB differential data pairs for Port 4
USB differential data pairs for Port 5
USB differential data pairs for Port 6
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.
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. .
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.
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/O PU/PD
I/O 3.3V PU 10K 3.3V
O 3.3V
I 3.3V
I/O OD 3.3V PU 8k2 3.3V
O 3.3V
I/O PU/PD
I/O 3.3VSB
I/O 3.3VSB
I/O 3.3VSB
I/O 3.3VSB
I/O 3.3VSB
I/O 3.3VSB
I/O 3.3VSB
I/O 3.3VSB
I 3.3VSB PU 10k 3.3VSB
I 3.3VSB PU 10k 3.3VSB
I 3.3VSB PU 10k 3.3VSB
I 3.3VSB PU 10k 3.3VSB
Express-BL
Comment
Comment
USB 1.1/ 2.0 compliant
USB 1.1/ 2.0 compliant
USB 1.1/ 2.0 compliant
USB 1.1/ 2.0 compliant
USB 1.1/ 2.0 compliant
USB 1.1/ 2.0 compliant
USB 1.1/ 2.0 compliant
USB 1.1/ 2.0 compliant
Do not pull high on carrier
Do not pull high on carrier
Do not pull high on carrier
Do not pull high on carrier
Page 23