ISL97649AR5566 Datasheet, PDF (16/21 Pages) Intersil Corporation – TFT-LCD Supply + DCP + VCOM Amplifier + Gate Pulse Modulator + RESET

ISL97649AR5566
SCL
SDA
START
DATA
DATA
DATA
STABLE CHANGE STABLE
FIGURE 19. VALID DATA CHANGES, START AND STOP CONDITIONS
STOP
SCL FROM
MASTER
1
8
SDA OUTPUT FROM
TRANSMITTER
SDA OUTPUT FROM
RECEIVER
HIGH IMPEDANCE
START
FIGURE 20. ACKNOWLEDGE RESPONSE FROM RECEIVER
9
HIGH IMPEDANCE
ACK
SIGNALS FROM
THE MASTER
S
WRITE
T
A
R
T
IDENTIFICATION
BYTE
ADDRESS
BYTE
S
DATA
T
BYTE
O
P
SIGNAL AT SDA
0 1 0 1 00 0 0 0 0 0 0 0 0 ^X0
SIGNALS FROM
THE
A
A
A
C
C
C
K
K
K
FIGURE 21. BYTE WRITE SEQUENCE
SIGNALS
FROM THE
MASTER
S
T
A IDENTIFICATION
R
BYTE WITH
T
R/W = 0
ADDRESS
BYTE
S
T
A IDENTIFICATION
R _{BYTE WITH}
T
R/W = 1
A
A
C
C
K
K
S
T
O
P
SIGNAL AT SDA 0 1 0 1 0 0 0 0
0 00 00 0 X0
A
A
SIGNALS FROM
C
C
THE SLAVE
K
K
0 1 0 1 00 0 1
A
C
K
FIRST READ
DATA BYTE
FIGURE 22. READ SEQUENCE
LAST READ
DATA BYTE
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FN8774.0
September 11, 2015