Texas Instruments AFE79 Series - Page 74

Read:SPI:ADDR=0xF0
SPI:ADDR=0xA0
SPI:DATA=Operand 0
SPI:DATA=Operand 1
SPI:ADDR=0x190
SPI:DATA=OPCODE
Operand 0
Operand 1
OPCODE
SPI:READ_DATA=?
READ_DATA
Confirm READ_DATA
&& 0x1 == 1
READ_DATA
SPI:ADDR=0xF0
SPI:READ_DATA=?
Read results
Interrupt
Interrupt
Macro Processing
time
SPI Page Change
DATA 0
Addr MACRO_ MEM_BA
DATA 1
DATA 2
DATA N-1
SPI:ADDR = 0x20
SPI Page Change (Macro Mem)
SPI:DATA=DATA 0
SPI:DATA=DATA 0
SPI:DATA=DATA 0
SPI:DATA=DATA 0
Addr STATUS_BA
Addr STATUS_BA
Addr OPCODE_BA
Addr OPERAND_BA
SPI Page Change
SPI Page Change (Customer)
Host
AFE
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Next Macro
Read results
Confirm READ_DATA
&& 0x1 == 1
Design Details www.ti.com
74
SBAU337–May 2020
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Macro
Figure 1-8. Interaction between Host and AFE79xx – initiating Macro with large data transfer (Interrupt
method)