Express card, Lpc bus – ADLINK cExpress-BT User Manual
Page 21
cExpress-BT
Page 21
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
Atom clock
33 MHz
Celeron clock
25 MHz
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
Not supported
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