MSC C6B-SLH
MSC C6B-SLH User Manual
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2.13.15
SPI Interface
Signal
Pin
Type
Signal
Level
Power
Rail
Rem.
/ Tol.
PU/PD/SR
Description
Source /
Target
SPI_CS#
O
CMOS 3.3V Sus
3.3V
ePU
= 10 KΩ Chip select for Carrier Board SPI - may be sourced from chipset SPI0 or SPI1.
PCH
SPI_MISO
I
CMOS 3.3V Sus
3.3V
eSR = 33 Ω
Data in to Module from Carrier SPI.
PCH
SPI_MOSI
O
CMOS 3.3V Sus
3.3V
eSR = 33 Ω
Data out from Module to Carrier SPI.
PCH
SPI_CLK
O
CMOS 3.3V Sus
3.3V
eSR = 33 Ω
Clock from Module to Carrier SPI.
PCH
SPI_POWER O
Power 3.3V Sus
Power supply for Carrier Board SPI
– sourced from Module – nominally 3.3V. The
Module shall provide a minimum of 100mA on SPI_POWER.
Carriers shall use less than 100mA of SPI_POWER. SPI_POWER shall only be
used to power SPI devices on the Carrier.
BIOS_DIS
[1:0]#
I
CMOS 3.3V Sus 3.3V
ePU = 10 KΩ Selection straps to determine the BIOS boot device.
PCH
Not supported
Not recommended
BIOS_DIS[1:0]# SPI_CS1#
Destination
SPI_CS0#
Destination
Carrier
SPI_CS#
SPI
Descriptor
BIOS
Entry
1
1
Module
Module
HIGH
Module
SPI0/SPI1
1
0
Module
Module
HIGH
Module
Carrier FWH
0
1
Module
Carrier
SPI0
Carrier
SPI0/SPI1
0
0
Carrier
Module
SPI1
Module
SPI0/SPI1
NOTE: SPI: 48MHz. For SPI Flash only. No other SPI peripherals are supported.