Datasheet

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A7 A6 A1 A0
SPI STE
SPI SIMO
SCLK
D22 D17 D16
D6 D1
SPI SOMI
XIN
t
CLK
t
STECLK
t
SPICLK
t
SOMIPD
t
SOMIHD
t
CLKSTEL
t
CLKSTEH
t
SIMOSU
t
SIMOHD
31
D23
t
SOMIPD
D7
07
D0
23
AFE4490
www.ti.com SBAS602F –DECEMBER 2012–REVISED OCTOBER 2013
PARAMETRIC MEASUREMENT INFORMATION
SERIAL INTERFACE TIMING
(1) The SPI_READ register bit must be enabled before attempting a register read.
(2) Specify the register address whose contents must be read back on A[7:0].
(3) The AFE outputs the contents of the specified register on the SOMI pin.
Figure 1. Serial Interface Timing Diagram, Read Operation
(1)(2)(3)
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