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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.

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45nm AM3874 Cortex A8 1.0 GHz Single core.

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32 KB Instruction cache and 32 KB Data cache

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512 KB L2 cache

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128 KB on-chip memory controller

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23.0 x 23.0 mm 684-pin FCBGA package.

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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:

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51002-1000-08-1 ULP-COM-sA3874i 800 MHz, 1GB memory

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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).