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1.3.2.2
Flash Memory
The flash block provides an in-circuit, programmable, nonvolatile program memory for the device. The
flash memory is organized as a set of 4-KB pages that can be individually erased. Erasing a block causes
the entire contents of the block to be reset to all 1s. These pages can be individually protected. Read-only
blocks cannot be erased or programmed, protecting the contents of those blocks from being modified. In
addition to holding program code and constants, the nonvolatile memory allows the application to save
data that must be preserved so that it is available after restarting the device. Using this feature lets the
user use saved network-specific data to avoid the need for a full start-up and network find-and-join
process.
1.3.2.3
ROM
The ROM is preprogrammed with a boot sequence, device driver functions, low-level protocol stack
components, and a serial bootloader (SPI or UART).
1.3.3 Radio
The CC26xx and CC13xx device family provides a highly integrated low-power 2.4-GHz radio transceiver
with support for multiple modulations and packet formats. The CC13xx provides similar functionality
optimized for the sub-1 GHz bands and also allows limited operation in the 2.4-GHz band. The radio
subsystem provides an interface between the MCU and the radio, which makes it possible to issue
commands, read status, and automate and sequence radio events.
1.3.4 Advanced Encryption Standard (AES) Engine With 128-bit Key Support
The security core of the CC26xx and CC13xx devices features an AES module with 128-bit key support,
local key storage, and DMA capability.
Features of the AES engine are as follows:
•
CCM, CTR, CBC-MAC, and ECB modes of operation
•
118-Mbps throughput
•
Secure key storage memory
•
Low latency
SWCU117C – February 2015 – Revised September 2015
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Functional Overview
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Architectural Overview
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