STA027 datasheet(11/44 Pages) STMICROELECTRONICS

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STA027

4 Host register

CD00066274

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Host register

The following table gives a description of STA027 register list.

The STA027 device includes 256 I2C registers. In this document, only the user-oriented registers are

described. The undocumented registers are reserved or unused. These registers must never be

accessed (in Read or in Write mode). The Read-Only registers must never be written

We can split the data flux in different time periods (see following diagram) meanwhile host registers can

be read or written :

●

DWT : During Whole Time (at any time during process).

●

DEC : During External Config (period between RUN=2 and RUN=1).

●

DBO : During Boot (period between RUN=0 and RUN=2).

●

ABO : After BOot (period after RUN=1).

●

AEC : After External Config (period after RUN=2).

●

EDF : Every Decoded Frame (each time a frame has been decoded).

●

EDB : Every Decoded Block (each time a block has been decoded).

Figure 5.

RUN==0

SOFT_RESET = 1

CK_CMD = 0

RUN==2

RUN==1

block1

frame1

block2

frame1

block1

frame2

time

DWT

ABO

DEC

DBO

AEC

EDB

EDF

EDB

D01AU1260

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