AK8811_12 Datasheet, PDF (26/36 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHI KASEI
[AK8811/12]
♦ I²C Control Sequence
AK8811/12 is controlled by I²C bus. The slave address can be selected as 40H or 42H by
selecting SELA pin.
SELA pull-down 40H
Pull-up
42H
Operation :
Write Sequence:
S Slave Address W A Sub Address A Data_1 A
Data_n A/A Stp
*Continuous data writing is capable for the all registers.
Sequential Read: (Only Sub Address of 24H, 25H, 26H could be read )
S Slave
W A Sub Address 24H A rS Slave
RA
DATA_24H A DATA_25H A ^DATA_26H A Stp
S : Start Condition
A : Acknowledge(SDA LOW)
A: Not Acknowledge(SDA HIGH)
Stp : Stop Condition
R/W: 1: Read
0:Write
- It ignores the general call
by Host
by AK8811/12
Rev.1.1
26
2000/01