
Copyright © WIN Enterprises, Inc.
MB-73440
39
4.4.8. 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
3.3VSB
Skylake platform
uses standby power
for LPC bus
LPC_FRAME#
B3
LPC frame indicates the start of an LPC
cycle
O 3.3VSB
Skylake platform
uses standby power
for LPC bus
LPC_DRQ0#
LPC_DRQ1#
B8
B9
LPC serial DMA request
I 3.3V
NC. No support on
Skylake-U platform
LPC_SERIRQ
A50
LPC serial interrupt
I/O OD
3.3VSB
PU 8k2 3.3V
Skylake platform
uses standby power
for LPC bus
LPC_DRQ0#
LPC_DRQ1#
B8
B9
LPC serial DMA request
I 3.3V
NC. No support on
Skylake-U platform
4.4.9. 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 I 3.3VSB
PU 10k 3.3VSB Do not pull
Summary of Contents for MB-73440
Page 1: ...WIN Enterprises Inc Custom Embedded Solutions COM Express MB 73440 User s Manual ...
Page 2: ...Copyright WIN Enterprises Inc MB 73440 2 Version Release Date Part Number ...
Page 17: ...Copyright WIN Enterprises Inc MB 73440 15 2 14 Functional Diagram ...
Page 19: ...Copyright WIN Enterprises Inc MB 73440 17 Unit mm ...