BU2050F_1 Datasheet, PDF (5/25 Pages) Rohm – Serial / Parallel 4-input Drivers

BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS
Technical Note
●Block diagram
BU2050F
STB
CLR
CLOCK
DATA
BU2092F/BU2092FV
LCK
CLOCK
DATA
Controller
Controller
8bit
Shift
Register
L
a Write
t
c Buffer
h
P1～P8
Shift
Register
12bit
L
a Write
t
c Buffer
h
Q0～Q11
OE
BU2099FV
LCK
LPF
CLOCK
DATA
Controller
Shift
Register
12bit
L
a Write
t
c Buffer
h
Q0～Q11
OE
BD7851FP
S_IN
CLOCK
Shift
Register
16bit
L
a Write
t
c Buffer
h
OUT1～OUT16
LATCH
ENABLE
R_Iref
SOUT
Current Adjustment
BU2152FS
STB
CLB
CLOCK
DATA
Controller
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© 2009 ROHM Co., Ltd. All rights reserved.
Shift
Register
24bit
5/24
L
a Write
t
c Buffer
h
P1～P24
SO
2009.06 - Rev.A