bt865a Conexant Systems, Inc., bt865a Datasheet - Page 64

• Manufacturer Part Number: bt865a
• Description: Ycrcb To Ntsc/pal Digital Video Encoder
• Manufacturer: Conexant Systems, Inc.

PC Board Considerations
3-10
during the ninth clock pulse, then accept the data in subsequent bytes
(autoincrementing the register address) until another stop condition is detected.
Bit 8 of the address byte is the read/write bit (high = read from addressed device, low
= write to the addressed device) so, for the Bt864A/Bt865A, the address is only
considered valid if the R/W bit is low.
Data bytes are always acknowledged during the ninth clock pulse by the addressed
device. Note that during the acknowledge period the transmitting device must leave
the SDA line high.
Premature termination of the data transfer is allowed by generating a stop condition at
any time. When this happens, the Bt864A/Bt865A will remain in the state defined by
the last complete data byte transmitted. Any master acknowledge subsequent to
reading the chip ID is ignored.
Conexant
Bt864A/Bt865A Data Sheet
100138C
02/17/03