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RT8750 Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT8750
Description  42 CH Motor Driver for DSC
PDF  21 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8750 Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT8750
www.richtek.com
DS8750-01 April 2011
Typical Application Circuit
Serial Data Setup Timing
Figure 1. Input Setting of Serial Data
Figure 2. Timing for Writing Serial Data
D15 D14 D13 D12 D11 D10 D9D8 D7D6D5 D4D3 D2D1D0
16 bits
CS
SDAT
SCLK
<Timing of writing data to internal register>
16 bits of data sent after a rising edge of CS
are latched and written to an internal register
on a falling edge of CS.
50%
D15 D14 D13
D2
D1
D0
D15 D14 D13
50%
50%
50%
Tsetc
30n
Tsets
200n
Sclk
Testd 60n
Tholdd 20n
50%
Tholds
100n
Tnegs
200n
Tholdc 30n
CS
SDAT
SCLK
FS : Full-swing
CV : Constant Voltage
CC : Constant Current
RT8750
VCC
OUT1B
OUT2A
OUT3B
OUT2B
IN2
IN3
PI1
VM
RNF4
OUT4B
CS
OUT3A
OUT5A
PI2
15
14
13
12
17
18
19
20
1
2
3
4
9
8
7
6
11
5
IN1
16
OUT1A
SDAT
SCLK
10
OUT4A
VCC
Power Supply
AutoFocus
( STM-1 )
ZOOM/IRIS
( STM-2 )
ZOOM/IRIS
( DCM )
ZOOM/IRIS
( DCM )
Shutter
( COIL )
VM Power
Supply
Parallel
Control
Signal
Serial
Control
Signal
MCU
10µF
10µF
GND
21 (Exposed Pad)
RNF



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