AS3953 datasheet(24/71 Pages) AMSOSRAM

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[v1-05] 2019-Feb-15

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AS3953A − Detailed Description

Prolog Field for Proprietary Commands

Figure below defines the coding of Prolog field for proprietary

commands.

Figure 26:

Prolog Field (proprietary commands)

The following proprietary commands are implemented:

• Wake-Up: Sends a wake-up interrupt to controller

• Read EEPROM: Reads data from EEPROM

• Write EEPROM: Writes data to EEPROM

Wake-Up Command

Information field of Wake-Up command consists of one byte

only (see figure below). The AS3953A echoes back the same

information field.

Figure 27:

Wake-Up Command

Figure below defines the coding of the AS3953A reply INF to

Wake-Up command.

Figure 28:

Wake-Up Reply

Bit

Value

Function

01 indicates proprietary command

Shall be set to this value, other

values are ‘RFU’

CID following if bit is set to ‘1’

Shall be set to this value, other

values are ‘RFU’

01h

1byte

01h

1byte

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