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ADVANCED COMMUNICATIONS & SENSING

DATASHEET

SX8120/21

1V Motor/LED control timer

ACS - Revision 2.2

August 2010

© Semtech Corp.

4.2

SX8120/21 timing and output

The following settings are available on the SX8120/21.

The timeout and polarity values are set at chip startup and at each start/stop command.

Table 7.

SX8120/21 settings

Part number

TO

Polarity

Active motor

Time out after

SX8120

VDD

VDD

15 seconds

VSS

15 seconds

VSS

VDD

30 seconds

VSS

30 seconds

SX8121

VDD

VDD

10 minutes

VSS

10 minutes

VSS

VDD

never

VSS

never