BU24036MWV Datasheet, PDF (6/25 Pages) Rohm – u--step System Lens Driver for Digital Still Cameras

BU24036MWV
●Description of Blocks
(ⅱ)External Pin Control
■Voltage Driver (only at speed control = OFF)
The PWM drive is executed by the PWM duty ratio which is controlled by the register setting. The PWM direction and
PWM ON/OFF are controlled by INA/INB pin.
CSB
PWM duty
SCLK
3 _SDATA
Host
SIF
PWM
Control
H.B..
M
Direction, ON/OFF INA
Logic
Direction, ON/OFF INB
■Current Driver
The constant current drive is executed by the output current value which is controlled by the register setting. Constant
current driving direction and turning ON/OFF are controlled by INA/INB pin.
CSB
SCLK
Current value ₃ SDATA
SIF
Host
Direction, ON/OFF INA
Direction, ON/OFF INB
Control
Logic
Current control
DAC
C.C.
VCM
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TSZ22111・15・001
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TSZ02201-0M3M0BC16070-1-2
20.May.2016 Rev.003