BU24035GW Datasheet, PDF (6/25 Pages) Rohm – u - step System Lens Driver for Digital Still Cameras

BU24035GW
Datasheet
●Description of Blocks
(ⅱ)External Pin Control
■Voltage Driver (only at speed control = OFF)
The PWM drive is executed by the PWM duty ratio and the PWM direction which are controlled by the register settings.
The PWM ON/OFF is controlled by IN pin.
PWM duty
Direction
CSB
SCLK
3 ^SDATA
Host
SIF
PWM
Control
H.B..
M
ON/OFF
IN
Logic
■Current Driver
The constant current drive is executed by the output current value and current direction which are controlled by the
register settings. Constant current driving ON/OFF is controlled by IN pin.
Current value
CSB
Direction
SCLK
3
SDATA
SIF
Host
ON/OFF
IN
Control
Logic
Current control
DAC
C.C.
VCM
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TSZ22111・15・001
6/21
TSZ02201-0M2M0BC12080-1-2
18.Apr.2013 Rev.002