
Si4464/63/61/60
Firmware Flow
Send Command
Read CTS
CTS Value
0xFF
Retrieve
Response
0x00
NSEL
SDO
SDI
ReadCmdBuff
CTS
SCK
Figure 4. SPI Read Command—Check CTS Value
NSEL
SDO
Response Byte 0
Response Byte n
SDI
SCK
Figure 5. SPI Read Command—Clock Out Read Data
18
Rev 1.2