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BD7844AEFV-LB Datasheet(PDF) 6 Page - Rohm

Part # BD7844AEFV-LB
Description  16-Channel, 8-Bit PWM LED Driver with I2C Compatible and 2-wire Serial Interface
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD7844AEFV-LB Datasheet(HTML) 6 Page - Rohm

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Datasheet
Datasheet
BD7844AEFV-LB
© 2012 ROHM Co., Ltd. All rights reserved.
www.rohm.com
TSZ22111・15・001
TSZ02201-0G3G0CZ10310-1-2
26.Feb.2014 Rev.002
Definition of logic signal timing
Figure 1. Definition of logic signal timing
tW
50%
50%
SCL
SDA
RESETB
START
ACK OR READ CYCLE
OUTx
LED OFF
tBUF
tSU:STA
tLOW
tHIGH
1/fSCL
tHD:STA
tSU:DAT
tr
tf
tHD:DAT
tVD:DAT
tVD:ACK
tSU:STO
SDA
SCL
protocol
START
Condition
(S)
bit 7
MSB
(A7)
bit 6
(A7)
bit 7
(D1)
bit 8
(D0)
acknowledge
(A)
STOP
condition
(P)
tSP
tHD:STA
tSU:STA
tSU:STO
tSU:DAT
tHIGH
tHD:STA
tHD:DAT
tLOW
tBUF
tr
tf
Sr
P
P
S
SDA
SCL


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