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Table 3. LS1046ARDB features (continued)
Board feature
Processor feature used
Description
Clocks
25 MHz crystal:
• Provides 25 MHz input to the clock generator
(6V49205BNLGI)
SYSCLK:
• Supports single-ended SYSCLK and DDRCLK clock
input (default value = 100 MHz)
• Supports single-source differential DIFF_SYCLK (default
value = 100 MHz)
SerDes:
• Provides clocks to all SerDes blocks and slots
• 100 MHz for SD1_REF_CLK1
• 100 MHz or 156.25 MHz for SD1_REF_CLK2
• 100 MHz for SD1_REF_CLK1 and SD1_REF_CLK2
• 100 MHz for MPCIE_CLK and PCIE_CLK
RTC:
• Supports 32.768 kHz for RTC
Ethernet:
• Provides option for 25 MHz clock output (CLKOUT) from
clock generator to Ethernet RGMII and SGMII
transceivers
• Supports 100 MHz XGT1588_CLK and 50 MHz to 10G
PHY AQR106/107
CPLD:
• Supports 32.768 kHz for PLD_CLK
SFP:
• Supports 25 MHz for XFI1_REFCLK
System logic (CPLD)
• Supports a CPLD with 8-bit registers
• Manages system power and reset sequencing
• Controls POR settings
• Controls signal muxing/demuxing
• Latches IFC address/data multiplexed signals
DIP switches
• Three DIP switches for quick board configuration
See
QorIQ LS1046A Reference Design
Board Getting Started Guide
for more
details on LS1046ARDB DIP switches.
NOTE
Table continues on the next page...
Board features
QorIQ LS1046A Reference Design Board Reference Manual, Rev. 2, 30 May 2019
NXP Semiconductors
13