List Of Commands; Register / Memory Access Operations; Table 13-1: Register / Memory Access Operations - Semtech LR1121 User Manual

13. List Of Commands

For a general description of SPI Read and Write commands processing, see sections
Commands.

13.1 Register / Memory Access Operations

Table 13-1: Register / Memory Access Operations

Command Opcode
WriteRegMem32
ReadRegMem32
WriteBuffer8
ReadBuffer8
ClearRxBuffer
WriteRegMemMask32
LR1121
User Manual Rev 1.1
UM.LR1121.W.APP Mar 2023
Parameters
0x0105 Addr(4), Data(256)
0x0106 Addr(4), Len(1)
0x0109 Data(255)
0x010A Offset(1), Len(1)
0x010B ---
0x010C Addr(4), Mask(4), Data(4)
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3.2 Read Commands
Description
Writes data at given register/memory address. Address must be
32-bit aligned and data length must be a multiple of 4
Reads data at given register/memory address. Address must be
32-bit aligned and data length < 65
Writes data to radio TX buffer (up to 255 bytes)
Reads data from radio RX buffer
Clears all data from radio RX buffer
Reads-Modifies-Writes data at given register/memory address.
Address must be 32-bit aligned.
and 3.1 Write
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