L99ASC03 datasheet(61/73 Pages) STMICROELECTRONICS

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L99ASC03

ST-SPI Protocol

4.4.8

Device Control Register 7

Address:

0x7

Type:

R/W

Bit name

HOFFCONT

CCT(2)

CCT(1)

CCT(0)

CPLOWM

ISTEST(3)

ISTEST(2)

ISTEST(1)

Default values

Bit Bit description

[7] HOFFCONT: HARDOFF control

0: the full current discharge capability is activated when programmed cross-current time has

elapsed

1: the full current discharge capability is activated upon the turn-on command of the

complementary switch

[6:4] CTT: cross-current time.

See Table 18: Gate driver for external MOSFET

[3] CPLOWM: charge pump undervoltage monitoring

0: in case of charge pump undervoltage, only the CPLOW flag is set (global warning reported)

1: in case of charge pump undervoltage, the gate drivers are deactivated (functional error

reported)

[2] ISTEST(3): sink current enable (used for open-load and short-circuit test)

0: disabled

1: sink current at SH3

[1] ISTEST(2): sink current enable (used for open-load and short-circuit test)

0: disabled

1: sink current at SH2

[0] ISTEST(1): sink current enable (used for open-load and short-circuit test)

0: disabled

1: sink current at SH1

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