7
SLAU367P – October 2012 – Revised April 2020
Copyright © 2012–2020, Texas Instruments Incorporated
Contents
14.2.8
AES Key Buffer
.................................................................................................
14.2.9
Using the AES Accelerator With Low-Power Modes
.......................................................
14.2.10
AES Accelerator Interrupts
...................................................................................
14.2.11
DMA Operation and Implementing Block Cipher Modes
.................................................
14.3
AES Accelerator Registers
..............................................................................................
14.3.1
AESACTL0 Register
............................................................................................
14.3.2
AESACTL1 Register
............................................................................................
14.3.3
AESASTAT Register
...........................................................................................
14.3.4
AESAKEY Register
.............................................................................................
14.3.5
AESADIN Register
.............................................................................................
14.3.6
AESADOUT Register
..........................................................................................
14.3.7
AESAXDIN Register
............................................................................................
14.3.8
AESAXIN Register
..............................................................................................
15
CRC Module
.....................................................................................................................
15.1
Cyclic Redundancy Check (CRC) Module Introduction
..............................................................
15.2
CRC Standard and Bit Order
............................................................................................
15.3
CRC Checksum Generation
.............................................................................................
15.3.1
CRC Implementation
...........................................................................................
15.3.2
Assembler Examples
...........................................................................................
15.4
CRC Registers
............................................................................................................
15.4.1
CRCDI Register
.................................................................................................
15.4.2
CRCDIRB Register
.............................................................................................
15.4.3
CRCINIRES Register
...........................................................................................
15.4.4
CRCRESR Register
............................................................................................
16
CRC32 Module
..................................................................................................................
16.1
Cyclic Redundancy Check (CRC32) Module Introduction
...........................................................
16.2
CRC Checksum Generation
.............................................................................................
16.2.1
CRC Standard and Bit Order
..................................................................................
16.2.2
CRC Implementation
...........................................................................................
16.2.3
Assembler Examples
...........................................................................................
16.3
CRC32 Register Descriptions
...........................................................................................
16.3.1
CRC32 Registers
...............................................................................................
17
Low-Energy Accelerator (LEA) for Signal Processing
...........................................................
17.1
LEA Introduction
..........................................................................................................
17.2
LEA Operation
.............................................................................................................
17.2.1
Use the LEA in Programs
......................................................................................
17.2.2
Where to Get the DSP Library
................................................................................
17.2.3
Where to Start
...................................................................................................
17.3
LEA Registers
.............................................................................................................
18
Ultrasonic Sensing Solution (USS, USS_A)
..........................................................................
18.1
Introduction
................................................................................................................
18.2
Operation of the USS Module
...........................................................................................
18.2.1
Auto Mode and Register Mode
...............................................................................
18.2.2
Control Signals
..................................................................................................
18.3
Debug Features
...........................................................................................................
19
Universal USS Power Supply (UUPS)
..................................................................................
19.1
Introduction
................................................................................................................
19.2
USS Power-up Sequence
...............................................................................................
19.3
USS Power States
........................................................................................................
19.4
Interface to the ASQ (Acquisition Sequencer)
........................................................................
19.4.1
Start New Measurements
......................................................................................
19.4.2
Stop Measurement Before Completion
.....................................................................