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| AMC7812SPAPR Datasheet, PDF (12/92 Pages) Texas Instruments – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors | |||
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AMC7812
SBAS513E â JANUARY 2011 â REVISED SEPTEMBER 2013
SPI TIMING DIAGRAMS
t8
t4
CS
SCLK
SDI
t1
t3
t2
tF
tR
t5
t6
Bit 23
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t10
t7
Bit 1
Bit 0
-- Donât Care
Bit 23 = MSB
Figure 3. SPI Single-Chip Write Operation
t1
CS
SCLK
SDI
SDO
t4
t7
t1
t2
t3
t5
t6
Bit 23
tF
tR
Bit 22
Read Command
Bit 0
Bit 23
t9
Bit 22
Bit 1
Any Command
Bit 0
Bit 23
Bit 22
Bit 1
Bit 0
Data Read from the Register Selected
in the Previous Read Operation
Figure 4. SPI Single-Chip Read Operation
t8
CS
SCLK
SDI
SDO
t4
t1
t3
t2
t5
t6
Bit 23 (A)
tF
(Command to A)
tR
(Command to B)
Bit 0 (A)
Bit 23 (B)
t9
Bit 23 (A)
t7
Bit 0 (B)
Bit 0 (A)
Figure 5. Daisy-Chain Operation: Two Devices
12
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