Semtech LR1121 - Page 6

LR1121
User Manual Rev 1.1
UM.LR1121.W.APP Mar 2023
6 of 130
Semtech
Proprietary & Confidential
www.semtech.com
9.3.1 Low Power PA....................................................................................................................... 91
9.3.2 High Power PA...................................................................................................................... 92
9.3.3 High Frequency PA ............................................................................................................. 94
9.4 Impedance Matching Networks ................................................................................................. 95
9.4.1 Multi-Band Operation........................................................................................................ 95
9.4.2 RF Switch Implementation............................................................................................... 97
9.4.3 Direct-Tie Implementation .............................................................................................. 98
9.5 Commands ......................................................................................................................................... 99
9.5.1 SetPaConfig........................................................................................................................... 99
9.5.2 SetTxParams........................................................................................................................100
10. Cryptographic Engine ............................................................................................................................101
10.1 Description ....................................................................................................................................101
10.2 Cryptographic Keys Definition ...............................................................................................101
10.3 Commands ....................................................................................................................................103
10.3.1 CEStatus..............................................................................................................................103
10.3.2 CryptoSetKey....................................................................................................................103
10.3.3 CryptoDeriveKey.............................................................................................................104
10.3.4 CryptoProcessJoinAccept............................................................................................105
10.3.5 CryptoComputeAesCmac............................................................................................106
10.3.6 CryptoVerifyAesCmac ...................................................................................................107
10.3.7 CryptoAesEncrypt01......................................................................................................108
10.3.8 CryptoAesEncrypt...........................................................................................................109
10.3.9 CryptoAesDecrypt ..........................................................................................................110
10.3.10 CryptoStoreToFlash.....................................................................................................111
10.3.11 CryptoRestoreFromFlash...........................................................................................111
10.3.12 CryptoSetParam............................................................................................................112
10.3.13 CryptoGetParam...........................................................................................................112
11. LR1121 Provisioning................................................................................................................................113
11.1 Description ....................................................................................................................................113
11.2 Provisioning Commands ..........................................................................................................113
11.2.1 GetChipEui.........................................................................................................................113
11.2.2 GetSemtechJoinEui........................................................................................................114
11.2.3 DeriveRootKeysAndGetPin .........................................................................................115
11.3 Crypto Engine Use With LoRaWAN V1.1.x ..........................................................................117
11.4 Crypto Engine Use with LoRaWAN V1.0.x ..........................................................................118
12. Test Commands........................................................................................................................................119
12.1 Regulatory Overview .................................................................................................................119
12.1.1 ETSI.......................................................................................................................................119
12.1.2 FCC .......................................................................................................................................119
12.2 Commands ....................................................................................................................................120
12.2.1 SetTxCw..............................................................................................................................120
12.2.2 SetTxInfinitePreamble...................................................................................................120
13. List Of Commands....................................................................................................................................121
13.1 Register / Memory Access Operations ................................................................................121
13.2 System Configuration / Status Operations ........................................................................122
13.3 Radio Configuration / Status Operations ...........................................................................123