COM Express Module with the
Freescale™ P1021 CPU


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• Dual 800MHz processor
• COM Express compact module
• IEEE1588
• VxWorks or Linux support
• DDR-3 memory with ECC support
• RoHS compliancy


The CPU-161-28 is based on the Freescale QorIQ P1021 processor and comes in the compact COM Express form factor of 95 x 95 mm.
Available with dual cores, a QUICC engine, and IEEE1588, the CPU-161-28
is ideal for communications devices, networking applications, or gateway designs.

Multiple protocols are offered with this COM Express module. Enhanced
features regarding the Gigabit Ethernet, eSDHC, and eLBC mean that Eurotech’s board provides fast and reliable data transfer between memory,
I/O, and networking devices. ECC-capable memory further ensures reliability
and accuracy. With these specifications the CPU-161-28 is truly a robust module and is backed by Eurotech’s focus on quality manufacturing and production.

OEMs can choose from a Linux or VxWorks operating system. Custom development environments can be supported as necessary.

Dynatem offers a standard carrier board and offers services for those customers who wish to design their own.


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Technical Specifications

Freescale™ P1021 with dual 800MHz cores
• L1 cache: 32kB for data and 32kB for instruction per core
• L2 cache: 256 kB L2 cach
QUICC support

Operating Environment

• VxWorks
• Linux

RAM Memory

Up to 1 GB of 64-bit DDR3 SO-DIMM, ECC capable

eMMC Flash Memory

2GB (bootable)


3x 10/100/1000 BASE-T Ethernet interfaces


QorIQ Enhanced Serial Peripheral Interface (eSPI)

Secure Digital QorIQ Enhanced Secure Digital Host Controller (SD/MMC) (bootable)
PCI Express • 1x PCI Express interface (x1 lane)
• PCI Express Base Rev1.1
USB 4x USB 2.0 ports
UART 2x UART interfaces
I2C 4x I2C interface extended by I2C-HUB
QUICC 32bit RISC Controller, Internal serial DMA
Interrupt QorIQ Programmable interrupt controller (PIC)
IEEE1588 Connected to QorIQ processor:
• TMR_1588_CLK
• TMR_PP1,2
Real Time Clock Equivalent to RTC-8564JE (backed up by VCC_RTC power)
JTAGCOP Available as an option
Physical • Compact Module (95mm x 95mm)
• PICMG COM.0 R2.0 COM Express Module Base Specification
• RoHS compliant
Power • Power supply: 12.0V±5 SBY: 5V±5 (supplied from COM e connector)
• Consumption current: 12V: max 2.1A SBY: max 0.1A (P1021)
• Consumption current: 12V: max 2.4A SBY: max 0.1A (P2020)
Temperature Operating:0º to 70ºC, option -40º to +85C


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