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Figure 8.
Clock Circuit Diagram in the Carrier Board
COMe*
Connector
PCIE0_CK_REF+/-
LVDS_A/B_CK+/-
LVDS_I2C_DAT
*1: One of the UART port is up to 4Mbps baud rate clock, the other ports are up to 1Mbps.
*2: LPC CLK Buffer is no PLL locked type. (e.g. ICS553 )
®
Intel
Atom™ Processor E660 with Intel
User Manual
28
25MHz
X'tal
100MHz
SMB_CK
PCIe*
CLK
SMB_DAT
Buffer
SDVO_CLK
SDVO slot
SDVO_DATA
LVDS Connector
LVDS_I2C_CK
48kHz
HDA SYNC
12.228MHz
HDA BITCLK
PCI_CLKRUN#
33MHz
CLK
LPC_CLK
Buffer
(*2)
®
Platform Controller Hub EG20T Development Kit
Intel® PCH EG20T
48MHz
USB_CLK
SPXO
75.0MHz
SATA_CLKT
LVDS_CG
SATA_CLKC
25.0MHz
SYSCLK
SPXO
1.8432MHz
SPXO
UART_CLK
(DIP Socket)
PCIe_CLKT
PCIe_CLKC
PCIe* slot #2,#3 /
mini PCIe slot
PCIe to PCI Bridge
Codec
XTAL1
XTAL2
LPC Header
LPC_CLKRUN_N
LPC_33MHZ_CLK
SIO (SMSC 47M172)
PCI CLK
14.318MHz
MCLK/
CLOCKI
SPXO
KCLK
CLOCKI32
32.768kHz
SPXO
Getting Started
50MHz
SD-card
400KHz
I2C
5MHz
SPI
4MHz(*1)
UART
1MHz
CAN
GbE-PHY
125MHz
TXC
125MHz
RXC
25.0MHz
X'tal
33MHz
PCI slot #4
EMPTY
CPLD
GCLK0
TPM Header
LPC_CLKRUN_N
TPM_33MHZ_CLK
PS/2
KB/MOUSE
January 2012
Document Number: 324213-002
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