66AK2Gx 1GHz evaluation module


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The EVMK2GX (also known as "K2G") 1GHz evaluation module (EVM) enables developers to immediately start evaluating the 66AK2Gx processor family, and to accelerate the development of audio, industrial motor control, smart grid protection and other high reliability, real-time compute intensive applications. Similar to existing KeyStone-based SoC devices, the 66AK2Gx enables both the DSP and Arm® cores to master all memory and peripherals in the system. This architecture facilitates maximum software flexibility where either DSP- or Arm-centric system designs can be achieved.

This EVM is supported by processor SDK for both Linux and TI-RTOS operating systems and features key peripherals such as USB, PCIe and Gigabit Ethernet. It includes a board management controller, SD card slot and on board XDS200 emulator for ease of software evaluation and debug. The K2G EVM also interconnects to an optional companion audio daughter card (AUDK2G) for audio applications.

  • 66AK2G12 C66x DSP+Arm Cortex-A15 processor at 1GHz
  • 2-GByte DDR3L with ECC
  • TPS65911A PMIC
  • Audio and serial expansion headers
  • Processor SDK Linux and TI-RTOS support

  • Circuit board
  • Quick start guide
  • Printed warranty notice
  • LCD bracket
  • Mini B to standard A type USB cable
  • Micro B to standard A type USB cable
  • USB adapters: USB micro A/B to A socket type adapter
  • Ethernet cable
  • Female to female RS-232 serial cable (cross cable)
  • Micro SD card 16GB
  • SD card reader
  • Packaging box and ESD bag
Not Included
  • Audio daughter card
  • Power supply

Arm-based processors
66AK2G12 High performance multicore DSP+Arm - 1x Arm A15 cores, 1x C66x DSP core


AND gate
SN74LVC1G08 Single 2-input, 1.65-V to 5.5-V AND gate SN74LVC1G11 Single 3-input, 1.65-V to 5.5-V AND gate


Audio CODECs
TLV320AIC3106 Low-power stereo CODEC with 10 inputs, 7 outputs, headphone amplifier and enhanced digital effects


Boost converters (integrated switch)
TPS61081 27V, 1.2A switch, 1.2MHz boost converter with integrated power diode


Buck converters (integrated switch)
LM22675 4.5V to 42V, 1A SIMPLE SWITCHER® buck converter with precision enable TPS54429E 7V to 18V Input, 4.5A Synchronous Step-Down DCAP2 Mode Converter with Eco-Mode TPS54620 4.5-V to 17-V, 6-A synchronous SWIFT™ buck converter


Clock generators
CDCM6208 2:8 ultra-low power, low jitter clock generator


Direction-controlled voltage translators
SN74AVC1T45 Single-Bit Dual-Supply Bus Transceiver with Configurable Voltage-Level Shifting and 3-State Outputs SN74AVC2T245 Dual-Bit, 2-DIR pin Dual-Supply Bus Transceiver w/ Configurable Voltage Translation, 3-State Output SN74AVC4T245 4-Bit Dual-Supply Bus Transceiver with Configurable Voltage-Level Shifting and 3-State Outputs SN74AVC8T245 8-Bit Dual-Supply Bus Transceiver with Configurable Voltage-Level Shifting and 3-State Outputs SN74AVCB164245 16-Bit Dual-Supply Bus Transceiver w/ Config. Xlation and 3-State Outputs


ESD protection & TVS surge diodes
TPD2E001 Dual 1.5-pF, 5.5-V, ±8-kV ESD protection diode with 1-nA max leakage & VCC pin for USB 2.0 TPD2EUSB30 Dual 0.7-pF, 5.5-V ±8-kV ESD protection diode with 5-A surge rating for USB 3.0 TPD4E05U06-Q1 Automotive Quad 0.5-pF, 5.5-V, ±12-kV ESD protection diode for USB & High Speed Interfaces TPD4S012 Quad 0.8-pF, 5.5-V, ±8-kV ESD protection diode with 15-V tolerant Vbus for USB Interface TPD6E001 6 channel 1.5-pF, 5.5-V, ±8-kV ESD protection diode with 1-nA max leakage & VCC pin for USB 2.0


HDMI, DisplayPort & MIPI ICs
TPD12S016 Value-line HDMI companion chip for Portable applications


Inverting buffer/driver
SN74LVC1G04 Single 1.65-V to 5.5-V inverter


Linear regulators (LDO)
LP3985 150-mA, low-dropout voltage regulator with bypass & enable TLV707 200-mA, low-IQ, low-dropout voltage regulator with enable TPS717 150-mA, high-PSRR, low-IQ, low-dropout voltage regulator with enable TPS796 1-A, low-dropout voltage regulator with enable


Load switches
TPS22913 5.5-V, 2-A, 60-mΩ load switch with output discharge


Multi-channel ICs (PMIC)
TPS650006 2.25MHz Step-Down Converter with Dual LDOs & SVS Power Management IC (PMIC) TPS65911 Integrated Power Management IC (PMIC) with 4 DC/DCs, 9 LDOs and RTC


Non-Inverting buffer/driver
SN74LVC1G07 Single 1.65-V to 5.5-V buffer with open-drain outputs


Power blocks
CSD87330Q3D 30-V, N channel synchronous buck NexFET™ power MOSFET, SON 3 mm x 3 mm power block, 20 A


Precision DACs (<=10MSPS)
DAC8550 16-Bit, Ultralow Glitch Voltage Output DAC


Series voltage references
REF5025 2.5-V, 3-µVpp/V noise, 3-ppm/°C drift precision series voltage reference


Supervisor & reset ICs
TPS3808 Low-quiescent current supervisor with programmable delay & manual reset


USB power switches & charging port controllers
TPS2051B 0.7A, 2.7-5.5-V single , power switch, fault report, active-high enable


eFuses & hot swap controllers
LM5060 5.5-V to 65-V high side protection controller

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Development kit

EVMK2GX – 66AK2Gx 1GHz evaluation module

TI's Standard Terms and Conditions for Evaluation Items apply.

Design files

EVMK2GX Schematic SPRR347.PDF (1711 KB) EVMK2GX Schematic Orcad Database DSN SPRR348.ZIP (1575 KB) EVMK2GX Assembly Drawing SPRR343.ZIP (290 KB) EVMK2GX Bill of Materials SPRR346.ZIP (37 KB) EVMK2GX CAD Files SPRR344.PDF (12156 KB) EVMK2GX CAD Cadence Allegro Database SPRR345.ZIP (11465 KB) EVMK2GX Fabrication Drawing SPRR349.PDF (1120 KB) EVMK2GX Gerber Files SPRCAG6.ZIP (2496 KB)

Technical documentation

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Type Title Date
* User guide K2G General Purpose Evaluation Module (EVMK2G) TRM (Rev. A) Sep. 20, 2017
* More literature K2Gx High Secure (HS) Evaluation Module (EVMK2GXS) Quick Start Guide Sep. 15, 2017
* White paper Getting personal with the 66AK2Gx SoC (Rev. A) Aug. 02, 2017
More literature EVMK2GX EU Declaration of Conformity (DoC) Jan. 02, 2019
Application note High-Speed Interface Layout Guidelines (Rev. H) Oct. 11, 2018
User guide DDR ECC Reference Design to Improve Memory Reliability in 66AK2Gx-Based Systems (Rev. B) Jun. 12, 2018
User guide 66AK2Gx DSP + ARM Processor Power Solution Reference Design (Rev. A) Jun. 12, 2018
User guide PCI-Express PCB Design Considerations for the K2Gx GP EVM Design Guide (Rev. A) Jun. 12, 2018
User guide 66AK2G2x DSP + Arm Processor Audio Processing Design Guide (Rev. A) May 17, 2018
Application note 66AK2G1x: EVMK2GX General-Purpose EVM Power Distribution Network Analysis Mar. 14, 2018
White paper Designing Embedded Systems for High Reliability With 66AK2Gx (Rev. A) Aug. 28, 2017
More literature K2G General-Purpose (GP) EVM Quick Start Guide (Rev. A) Jul. 27, 2017
White paper Voice as the user interface – a new era in speech processing white Paper May 09, 2017
Selection guide TI Components for Aerospace and Defense Guide (Rev. E) Mar. 22, 2017
More literature K2G Industrial Communications Engine (ICE) Quick Start Guide Feb. 02, 2017
Application note 66AK2G0x General-Purpose EVM Power Distribution Network Analysis Nov. 16, 2016
More literature K2G Audio Daughter Card Quick Start Guide Mar. 14, 2016
White paper Multicore SoCs stay a step ahead of SoC FPGAs Feb. 23, 2016

Related design resources

Hardware development

AUDK2G 66AK2Gx (K2G) audio daughter card

Software development

PROCESSOR-SDK-K2G Processor SDK for 66AK2Gx Processors - Linux and TI-RTOS Support
CCSTUDIO-KEYSTONE Code Composer Studio (CCS) Integrated Development Environment (IDE) for Multicore Processors

Design tools & simulation

CLOCKTREETOOL Clock Tree Tool for Sitara, Automotive, Vision Analytics, & Digital Signal Processors PINMUXTOOL Pin mux tool

Reference designs

TIDEP-0088 Audio Pre-Processing System Reference Design for Voice-Based Applications TIDEP0067 66AK2Gx DSP + ARM Processor Power Solution Reference Design TIDEP0068 PCI Express PCB Design Considerations Reference Design for the K2G General Purpose EVM (GP EVM) TIDEP0069 66AK2Gx DSP + ARM Processor Audio Processing Reference Design TIDEP0070 DDR ECC Reference Design to Improve Memory Reliability in 66AK2Gx-based Systems

Support & training

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