tca62724fmg Marktech Optoelectronics, tca62724fmg Datasheet - Page 6

• Manufacturer Part Number: tca62724fmg
• Description: Three-channel Constant-current Led Driver
• Manufacturer: Marktech Optoelectronics

I
*DATA transfer format
*START condition (S), STOP condition (P)
*DATA validity
*Acknowledge (A)
2
C Interface
SDA from
Transmitter
SDA from
Receiver
SCL from
Master
START condition
STOP condition
The data on the SDA line must be stable during the HIGH period of the clock.
The HIGH or LOW state of the data line can only change when the clock signal on the SCL line is LOW.
The receiver is obliged to generate an Acknowledge after each byte has been received.
S
SDA
SCL
SDA
SCL
Slave address
START condition
7 bits
S
S
: A HIGH to LOW transition on the SDA line while SCL is HIGH.
: A LOW to HIGH transition on the SDA line while SCL is HIGH.
SDA line stable
R/W
1
A
SDA line change allowed
Sub-address
6
8 bits
A
8
DATA byte
STOP condition
8 bits
Acknowledge
ACK clock
9
P
TCA62724FMG
A
P
2005-04-19