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ML9212

32-Bit Duplex/Triplex (1/2 duty / 1/3 duty) VF Controller/Driver with Digital Dimming

LAPIS Semiconductor Co., Ltd. 

LAPIS Semiconductor

FEDL9212-01

ML9212

Slave Mode

Slave Mode is selected when M/S pin is set at Low level. The slave mode operation is as follows:

 The internal dimming circuit is ignored.

 The pulse width of SEG1 to 32 are controlled by the pulse width of DIM IN signal.

 The segment Latch1 to 3 corresponding to GRID1 to 3 are selected by SYNC IN1 and SYNC IN2 signals.

 The output levels of GRID1 to 3 are set at High level. The output levels of DIM OUT, SYNC OUT1 and SYNC

OUT2 are set at Low level.

[Correspondence between SYNC IN1, 2 and Segment Latch1 to 3]

[Correspondence between DIM IN and SEG1 to 32]

SYNC IN 1

0

1

0

1

SYNC IN 2

0

0

1

1

Segment

Latch

No

Latch1

Latch2

Latch3

GRID

No

GRID1

GRID2

GRID3

DIM IN

0

1

Note: Low: Lights OFF

High: Lights ON

SEG1 to 32

Low

High

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