Form factor, Module memory, On-board storage – Kontron SMARC-sA3874i User Manual
Page 13: Clocks

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User’s Guide
3.2.2 Form Factor
The ULP-COM sA3874i module complies with the ULP-COM General Specification module size requirements in an
82mm x 50mm form factor.
3.2.3 CPU
The ULP-COM sA3874i module implements Texas Instruments Sitara ARM Cortex A8 microprocessor.
»
45nm AM3874 Cortex A8 1.0 GHz Single core.
»
32 KB Instruction cache and 32 KB Data cache
»
512 KB L2 cache
»
128 KB on-chip memory controller
»
23.0 x 23.0 mm 684-pin FCBGA package.
»
Allowable CPU junction temperature range: -40
0
C to 90
0
C
3.2.4 Module Memory
The ULP-COM sA3874i module supports 1GB and 2GB total DDR3L memory, through two separate orderable SKU’s:
»
51002-1000-08-1 ULP-COM-sA3874i 800 MHz, 1GB memory
»
51002-2000-08-1 ULP-COM-sA3874i 800 MHz, 2GB memory
Additional SKUs may become available. SKU variations would include alternative eMMC options, including possibly
no on-Module eMMC. Check with your Kontron contact or on the Kontron web site for updated information.
3.2.5 On-board Storage
The ULP-COM sA3874i module supports SPI flash memory devices with build options from 4 GB up to 32 GB. The
standard SKUs support 4 GB eMMC flash.
3.2.6 Clocks
A 32.768 KHz clock is required for the Sitara ARM Cortex CPU RTC (Real Time Clock) and PMC (Power Management
Controller). This clock is provided by Power Management Unit (PMU).