TDC7200_15 Datasheet, PDF (21/50 Pages) Texas Instruments – TDC7200 Time-to-Digital Converter for Time-of-Flight Applications in LIDAR,Magnetostrictive and Flow Meters

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Device Functional Modes (continued)
TDC7200
SNAS647C – FEBRUARY 2015 – REVISED AUGUST 2015
Figure 20. VREG Startup Time
8.5 Programming
8.5.1 Serial Peripheral Interface (SPI)
The serial interface consists of data input (DIN), data output (DOUT), serial interface clock (SCLK), and chip
select bar (CSB). The serial interface is used to configure the TDC7200 parameters available in various
configuration registers.
The communication on the SPI bus supports write and read transactions. A write transaction consists of a single
write command byte, followed by single data byte. A read transaction consists of a single read command byte
followed by 8 or 24 SCLK cycles. The write and read command bytes consist of a 1-bit auto-increment bit, a 1-bit
read or write instruction, and a 6-bit register address. Figure 21 shows the SPI protocol for a transaction
involving one byte of data (read or write).
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