UPD168112 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD168112

SERIAL CONTROL H-BRIDGE DRIVER FOR CAMERA LENS DRIVING

NEC => Renesas Technology 

µPD168112

COMMAND INPUT TIMING CHART

Setting Example

Stepper motor Starts output after wait time synchronized with rising of VD has elapsed.

Correct

VD

Correct

Incorrect

LATCH

SCLK/SDATA

Wait time

Pulse output

Pulse output

Excited status

Excited status

(stopped) Pulse output

(stop)

VD - LATCH time

VD - LATCH time

VD - LATCH time

VD - LATCH time

VD - LATCH time

VD - LATCH time

NG

Wait time

Wait time

Wait time

DC motor/coil Starts output after LATCH has fallen, regardless of VD.

LATCH

SCLK/SDATA

Output status

ON

OFF

ON

OFF

VD must rise before LATCH rises (200 ns MIN.). VD must fall before LATCH falls (200 ns MIN.). In addition to the

operations shown above, an operation in which the VD signal overlaps the LATCH signal is incorrect.

If data related to a stepper motor (addresses 3−1 to 3−4) is input during the wait time, the previous data is ignored.

If data related to a DC motor coil (addresses 4 and 5) is input during the wait time, all the data is valid.

8

Data Sheet S15866EJ1V0DS

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