BD6086GU_11 ROHM [Rohm], BD6086GU_11 Datasheet - Page 10

• Manufacturer Part Number: BD6086GU_11
• Description: 13LEDs ALC* Flash and Illumination
• Manufacturer: ROHM [Rohm]

●I
© 2011 ROHM Co., Ltd. All rights reserved.
www.rohm.com
BD6086GU
2
C BUS format
The writing/reading operation is based on the I
・Slave address
・Bit Transfer
・ START and STOP condition
・ Acknowledge
SCL transfers 1-bit data during H. SCL cannot change signal of SDA during H at the time of bit transfer. If SDA changes
while SCL is H, START conditions or STOP conditions will occur and it will be interpreted as a control signal.
When SDA and SCL are H, data is not transferred on the I
while SCL has been H, it will become START (S) conditions, and an access start, if SDA changes from L to H while SCL
has been H, it will become STOP (P) conditions and an access end.
It transfers data 8 bits each after the occurrence of START condition. A transmitter opens SDA after transfer 8bits data, and
a receiver returns the acknowledge signal by setting SDA to L.
A7
1
DATA OUTPUT
BY TRANSMITTER
DATA OUTPUT
BY RECEIVER
A6
1
SDA
SCL
A5
1
SCL
SDA
SCL
START condition
START condition
A4
0
S
S
SDA a state of stability ：
Data are effective
2
C slave standard.
A3
1
1
10/80
A2
2
1
C- bus. This condition indicates, if SDA changes from H to L
It can change
SDA
2
A1
0
STOP condition
not acknowledge
clock pulse for
acknowledgement
acknowledge
R/W
1/0
P
8
9
Technical Note
2011.04 - Rev.A