bt829bkrf ETC-unknow, bt829bkrf Datasheet - Page 75

• Manufacturer Part Number: bt829bkrf
• Description: Video Streamii Decoders
• Manufacturer: ETC-unknow

Bt829B/827B
VideoStream II Decoders
Table 2-5. Example I
ACK(n-1)
I
I
NO ACK
Master
2
ACK(0)
2
C Start
C Stop
.
.
.
Flow
Data
——
<—
<—
<—
<—
<—
<—
—
—
—
—
—
—
2
>
C Data Transactions
Data(n-1)
Bt829B
Data(0)
Data(n)
ACK
where:
.
.
.
I
Subaddress
Data(n)
I
2
2
Master sends Bt829B chip address, i.e., 0x89 or 0x8B.
Bt829B generates ACK on successful receipt of chip address.
Bt829B sends first data byte to Master.
Master generates ACK on successful receipt of first data byte.
Bt829B sends (n-1)th data byte to Master.
Master generates ACK on successful receipt of (n-1)th data byte.
Bt829B sends nth data byte to Master.
Master does not acknowledge nth data byte.
Master generates STOP to end transfer.
C Start
C Stop
Read from Bt829B
= I
= The 8-bit subaddress of the Bt829B register, MSB first.
= The data to be transferred to/from the addressed register.
= I
R/W bit).
2
2
D829BDSA
C start condition and Bt829B chip address (including the
C stop condition.
Comment
2.0 Electrical Interfaces
2.3 I
2
C Interface
65