CC3220MODASM2MONR datasheet(61/100 Pages) TI1

61 / 100 page

CC3220S and CC3220SF

Network Processor + MCU

Network Processor

Wi-Fi

Internet

Peripherals

OEM

Application

Serial Flash

Data Files

OEM

Application

Network information

Radio

Baseband

MAC

HTTPS

TLS/SSL

TCP/IP

MCU

ARM Cortex-M4

256KB RAM /

1MB Flash (CC3220SF)

SPI and I2C

GPIO

UART

PWM

ADC

Internet

CC3220MOD, CC3220MODA

www.ti.com

SWRS206B – MARCH 2017 – REVISED AUGUST 2017

Submit Documentation Feedback

Product Folder Links: CC3220MOD CC3220MODA

Detailed Description

Code and Data Security:

•

Network passwords and certificates are encrypted and signed.

•

Cloning protection – Application and data files are encrypted by a unique key per device.

•

Access control – Access to application and data files only by using a token provided in file creation

time. If an unauthorized access is detected, a tamper protection lockdown mechanism takes effect.

•

Encrypted and Authenticated file system

•

Secured boot – Authentication of the application image on every boot

•

Code and data encryption – User application and data files are encrypted in sFlash.

•

Code and data authentication – User Application and data files are authenticated with a public key

certificate.

•

Offloaded crypto library for asymmetric keys, including the ability to create key-pair, sign and verify

data buffer

•

Recovery mechanism

Device Security:

•

Separate execution environments – Application processor and network processor run on separate

ARM cores

•

Initial secure programming – Allows for keeping the content confidential on the production line

•

Debug security

–

JTAG lock

–

Debug ports lock

•

True random number generator

Figure 6-1 shows the high-level structure of the CC3220S and CC3220SF devices that are contained

within the CC3220MODS and CC3220MODSF modules, respectively. The application image, user data,

and network information files (passwords, certificates) are encrypted using a device-specific key.

Figure 6-1. CC3220S and CC3220SF High-Level Structure

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