BU97540KV-M Datasheet, PDF (22/70 Pages) Rohm – Multi-function Segment Drivers

BU97540KV-M
Table below shows PWM high level pulse width when PF0 to PF3 command setting is [PF0,PF1,PF2,PF3]=[1,x,x,x]
n = 1 to 9 , Tp = 1/fp
Wn0
Wn1
Wn2
Wn3
Wn4
Wn5
Wn6
Wn7 Wn8
PWM duty
0
0
0
0
0
0
0
0
0
(0/128) x Tp
0
0
0
0
0
0
0
0
1
(1/128) x Tp
0
0
0
0
0
0
0
1
0
(2/128) x Tp
0
0
0
0
0
0
0
1
1
(3/128) x Tp
0
0
0
0
0
0
1
0
0
(4/128) x Tp
0
0
0
0
0
0
1
0
1
(5/128) x Tp
0
0
0
0
0
0
1
1
0
(6/128) x Tp
0
0
0
0
0
0
1
1
1
(7/128) x Tp
0
0
0
0
0
1
0
0
0
(8/128) x Tp
0
0
0
0
0
1
0
0
1
(9/128) x Tp
0
0
0
0
0
1
0
1
0
(10/128) x Tp
0
0
0
0
0
1
0
1
1
(11/128) x Tp
0
0
0
0
0
1
1
0
0
0
0
0
0
0
1
1
0
1
0
0
0
0
0
1
1
1
0
(12/128) x Tp
(13/128) x Tp
(14/128) x Tp
0
0
0
0
0
1
1
1
1
(15/128) x Tp
0
0
0
0
1
0
0
0
0
(16/128) x Tp
0
0
0
0
1
0
0
0
1
(17/128) x Tp
0
0
0
0
1
0
0
1
0
(18/128) x Tp
0
0
0
0
1
0
0
1
1
(19/128) x Tp
0
・・・
0
0
0
1
0
1
0
0
・・・ ・・・ ・・・ ・・・ ・・・ ・・・ ・・・ ・・・
(20/128) x Tp
・・・
0
0
1
1
0
1
0
1
1
0
0
1
1
0
1
1
0
0
(107/128) x Tp
(108/128) x Tp
0
0
1
1
0
1
1
0
1
(109/128) x Tp
0
0
1
1
0
1
1
1
0
(110/128) x Tp
0
0
1
1
0
1
1
1
1
(111/128) x Tp
0
0
1
1
1
0
0
0
0
(112/128) x Tp
0
0
1
1
1
0
0
0
1
(113/128) x Tp
0
0
1
1
1
0
0
1
0
(114/128) x Tp
0
0
1
1
1
0
0
1
1
(115/128) x Tp
0
0
1
1
1
0
1
0
0
0
0
1
1
1
0
1
0
1
(116/128) x Tp
(117/128) x Tp
0
0
1
1
1
0
1
1
0
(118/128) x Tp
0
0
1
1
1
0
1
1
1
(119/128) x Tp
0
0
1
1
1
1
0
0
0
(120/128) x Tp
0
0
1
1
1
1
0
0
1
(121/128) x Tp
0
0
1
1
1
1
0
1
0
(122/128) x Tp
0
0
1
1
1
1
0
1
1
(123/128) x Tp
0
0
1
1
1
1
1
0
0
(124/128) x Tp
0
0
1
1
1
1
1
0
1
(125/128) x Tp
0
0
1
1
1
1
1
1
0
(126/128) x Tp
0
0
1
1
1
1
1
1
1
(127/128) x Tp
0
1
0
0
0
0
0
0
0
(128/128) x Tp
0
1
0
0
0
0
0
0
1
(128/128) x Tp
0
1
0
0
0
0
0
1
0
(128/128) x Tp
0
・・・
1
0
0
0
0
0
1
1
・・・ ・・・ ・・・ ・・・ ・・・ ・・・ ・・・ ・・・
(128/128) x Tp
・・・
1
1
1
1
1
1
1
0
0
1
1
1
1
1
1
1
0
1
(128/128) x Tp
(128/128) x Tp
1
1
1
1
1
1
1
1
0
(128/128) x Tp
1
1
1
1
1
1
1
1
1
(128/128) x Tp
(Note15)
W10 to W18:S1/P1/G1 pwm duty data
W20 to W28:S2/P2/G2 pwm duty data
W30 to W38:S3/P3/G3 pwm duty data
W40 to W48:S4/P4/G4 pwm duty data
W50 to W58:S5/P5/G5 pwm duty data
W60 to W68:S6/P6/G6 pwm duty data
W70 to W78:S7/P7/G7 pwm duty data
W80 to W88:S8/P8/G8 pwm duty data
W90 to W98:S9/P9/G9 pwm duty data
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
22/66
TSZ02201-0P4P0D300970-1-2
29.Jun.2015 Rev.002