UM0239 datasheet(27/44 Pages) STMICROELECTRONICS

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UM0239

Receive sessions

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level (about 83.5 dBµVrms) by selecting the Force Sens. to BU Level parameter. When

enabled, the TxD line is forced to "1"; thus obtaining a lower sensitivity.

Note:

If synchronization software is used, Control Register Header Recognition (Bit 18) must be

set to "0" in order to have a proper behavior of the RX session. For more information, see

Section 4.2.11: Header recognition on page 18.

Receiving data

EVALCOMMBOARD, the green DL3 LED is turned on in Receive mode.

Two reception methods are available: Reception with synchronization or Reception without

synchronization depending on the Frame Sync parameter setting.

Click ON to start receiving data. Click Close to stop data reception.

Saving data

In order to save data received from the Mains in a text file (in either hexadecimal or ASCII

format), click Save to File before clicking ON to start receiving incoming data. The

maximum file size allowed is 64 KBytes. To stop saving data, click Stop Saving.

Click Close to close the Receive Monitor dialog box.

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