RFM26W Datasheet, PDF (14/34 Pages) List of Unclassifed Manufacturers – ISM Transceiver module

Firmware Flow
Send Command
Read CTS
RFM26W
0xFF
CTS Value
0x00
Retrieve
Response
NSEL
SDO
CTS
SDI
ReadCmdBuff
SCK
Figure 4. SPI Read Command—Check CTS Value
NSEL
SDO
SDI
SCK
Response Byte 0
Response Byte n
Figure 5. SPI Read Command—Clock Out Read Data
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