UM0934 datasheet(46/113 Pages) STMICROELECTRONICS

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Host interface

UM0934

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Doc ID 17389 Rev 2

5.3.1

CMD_SynchroIndication (10h)

This command exports the following services to the external host:

●

PHY mode: P_Sync.Indication

●

MAC mode: M_Sync.Indication.

This command is generated by the ST7570 itself to indicate to the host a change in the

synchronization status (Section 3.3). Its meaning is different in accordance with the operating

mode:

●

PHY mode: this indication is generated every time a valid PRE+SSD sequence is found

●

MAC mode: this indication is generated every time a change in the synchronization

state occurs.

Table 16.

CMD_SynchroIndication: Syntax

Source

Command (Data)

Possible response

ST7570

CMD_SynchroIndication(SyncData)

None

Table 17.

CMD_SynchroIndication: SyncData (PHY mode):

Byte index

Label

Description

0..2

Amplitude of signal on channel 0. Raw estimation performed on received

preamble + SSD sequence (Section : Raw estimation).

3..5

Amplitude of noise on channel 0. Raw estimation performed on received

preamble + SSD sequence (Section : Raw estimation).

6..8

Amplitude of signal on channel 1. Raw estimation performed on received

preamble + SSD sequence (Section : Raw estimation)

9..11

Amplitude of noise on channel 1. Raw estimation performed on received

preamble + SSD sequence (Section : Raw estimation)

PGA

Gain of the reception PGA.

PHASE Electrical delta-phase

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