MAS9181B ETC, MAS9181B Datasheet - Page 5

• Manufacturer Part Number: MAS9181B
• Description: OCTAL 8 BIT TRIMMER IC
• Manufacturer: ETC

The MAS9181 I
format.
S
P
A
S
Start condition
Stop condition
Acknowledgement
0 1 0 0 A2 A1 A0 0
SDA
SCL
SDA
SCL
Address byte
condition
2
Start
C-bus interface is a receiver- only slave. Data is accepted from the I
S
Address
1-7
(data valid)
Data line
stable
R/W
A
8
Bit Transfer on the I C-bus
I3 I2 I1 I0 SD SC SB
Complete Data Transfer
A2, A1, A0
I3, I2, I1, I0
SD, SC, SB, SA
D7, D6, D5, D4, D3, D2, D2, D1, D0
Ack
9
Instruction byte
1-7
Change
allowed
SA
of data
Data
8
Ack
9
A
1-7
D7 D6 D5 D4 D3 D2 D1
Data
8
programmable address bits
instruction bits
sub-address bits
data bits
First data byte
2
C - bus in the following
Ack
9
D0
condition
13 October, 1999
Stop
P
DA9181.006
5
A
P