STV0672 datasheet(84/105 Pages) STMICROELECTRONICS

84 / 105 page

VV5410 & VV6410

Serial Control Bus

cd5410-6410f-3-0.fm

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9.6.6

Multiple location write

If the automatic increment bit is set (msb of the index byte), then it is possible to write data bytes to consecutive adjacent internal

registers, (i.e. 23,24,25,26 etc), without having to send explicit indexes prior to sending each data byte. An auto-increment write to

the exposure registers with their default values is shown in the following example, where we write 1710 to the pin_mapping

9.6.7

Multiple location read

In the same manner, multiple locations can be read with a single read message. In this example the index is written first, to

ensure the exposure related registers are addressed and then all six are read.

Note: a stop condition is not required after the final negative acknowledge from the master, the sensor will terminate the

communication upon receipt of the negative acknowledge from the master.

010

3210

3310

3210

010

3310

010

110

Write

ﬁneL with zero

Address the status0 register

110

010 A

Read continuously...

...until ﬂag reset

Figure 42 : Same location multiple data read.

1710

3210

2110

19310

Incremental write

Figure 43 : Multiple location write.

Incremental read

3210

3310

3210

ﬁneH

ﬁneL

coarseH

coarseL

gain

clk_div

No data write

Incremental read

Figure 44 : Multiple location read.

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