Texas Instruments AFE79 Series - Page 70

SPI:ADDR=0x0F0
SPI:ADDR=0xA0
SPI:DATA=Operand 0
SPI:DATA=Operand 1
SPI:DATA=Operand 2
SPI:DATA=Operand 3
SPI:ADDR=0x193
SPI:DATA=OPCODE
Addr OPERAND_BA
Operand 0
Operand 1
Operand 2
Operand 3
Addr OPCODE_BA
OPCODE
SPI:READ_DATA=?
Addr STATUS_BA
READ_DATA
Repeat till
READ_DATA &&
0x1 == 1
Addr STATUS_BA
READ_DATA
Repeat till
READ_DATA &&
0x1 == 1
SPI:ADDR=0xF0
SPI:READ_DATA=?
Read results
Host
AFE
Design Details www.ti.com
70
SBAU337–May 2020
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Macro
Figure 1-4. Interaction between Host and AFE79xx – (Polling method)