TLE6244 datasheet(21/70 Pages) INFINEON

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Final Data Sheet

V4.2, 2003-08-29

TLE 6244X

1.6.4 Other

Reading the IC Identifier (SPI Instruction: RD_IDENT1):

Reading the IC revision number (SPI Instruction: RD_IDENT2):

Reset of the Diagnostic Information (SPI Instruction: DEL_DIA):

Resets the 5 diagnostic registers DIA_REG1...5 to FFH and the common overtemperature flag in regis-

ter STATCON_REG (Bit4) to High. These bits are only cleared by the DEL_DIA instruction when there

is no failure entry at the input of the registers.

Access is performed like a writing access with any data byte.

In the case a power stage is shut off because of SCB, the output is activated again by the DEL_DIA

instruction and the filtering-time is enabled. Therefore in case of SCB the output is activated and shut

off after the shutoff delay.

For a power stage in the current limitation mode, the current limitation mode is left, if a DEL_DIA

instruction has been received. If there is still the condition for SCB the current limitation mode

is entered again.

On the following pages the conditions for set and reset of the SCB report in DIA_REGx is shown in

several schematics. The signal „power stage control“ is generated as follows:

IC Identifier1 (Device ID)

654

321

ID7ID6

ID5ID4

ID3ID2

ID1ID0

Bit

Name

Description

7...0

ID(7...0)

ID-No.: 10101000

IC revision number

654

321

SWR3

SWR2

SWR1

SWR0

MSR3

MSR2

MSR1

MSR0

Bit

Name

Description

7...4

SWR(3...0)

Revision corresponding to Software release: 0Hex

3...0

MSR(3...0)

Revision corresponding to Maskset: 0Hex

AND

power stage control = „ON“

ABE not active

INi=“ON“

SPI=“ON“

µsec=“ON“

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