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RT8750 Datasheet(PDF) 7 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) 7 Page - Richtek Technology Corporation

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RT8750
DS8750-01 April 2011
www.richtek.com
Serial Control Function Table
Address <0 0> CH 1, 2, 3, 4 Control Mode Setup/PI Control
The lower shows the initial value of each register
Data bit
Bit name
Function
b13 to b11
CH1/2 control mode select
CH1/2 control mode select
000 : PWM Mode1
001 : PWM Mode2
010 : PWM Mode3
011 : PWM Mode4
100 : Serial mode
101 : Set prohibition (CH1/2 Hi-Z)
110 : CH1/2 3 lines control (STM 1-2 phase drive)
111 : CH1/2 2-lines control (STM 2-2 phase drive)
b10 to b8
CH3 control mode select
CH3 control mode select
000 : PWM Mode1
001 : PWM Mode2
010 : PWM Mode3
011 : PWM Mode4
100 : Serial mode
101 : Parallel mode
110 : Set prohibition (CH3 Hi-Z)
111 : Set prohibition (CH3 Hi-Z)
b7 to b5
CH4 mode setup
CH4 control mode select
000 : PWM Mode1
001 : PWM Mode2
010 : PWM Mode3
011 : PWM Mode4
100 : Serial mode
101 : Parallel mode
110 : Set prohibition (CH4 Hi-Z)
111 : Set prohibition (CH4 Hi-Z)
b4
CH3/5 exclusive control
0: Normal mode
1: CH3/5 exclusive control mode
b3
PI1 control
0: OFF (Output = Hi-Z)
1: ON (Output = L)
b2
PI2 control
0: OFF (Output = Hi-Z)
1: ON (Output = L)
b1 to b0
CH1/2/3 exclusive control
00 : Normal mode
01 : CH13 Exclusive control mode
10 : CH23 Exclusive control mode
11 : CH13/23 Exclusive control mode
No. Address
Data
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
CH1/2
control mode
CH3
control mode
CH4
control mode
CH3/5
exclusive
control
PI1
control
PI2
control
CH1/2/3
exclusive
control
A0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Note :
CH1/2 can't support parallel mode.



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