AK4186 Datasheet, PDF (12/33 Pages) Asahi Kasei Microsystems – Low Power Touch Screen Controller with I2C Interface

[AK4186]
SDA
S
T
A
R/W = “0”
R
T
S
Sla ve
Ad dre ss
Su b
Ad dre ss(n)
Data (n)
Data (n+1)
S
T
O
P
Data (n+x) P
Figure 7. Data Transfer Sequence at the I²C-Bus Mode
1
0
0
1
0
0 CAD0 R/W
(This CAD0 should match with CAD0 pin.)
Figure 8. The First Byte
0
0
A5
A4
A3
A2
A1
A0
Figure 9. The Second Byte
D7
D6
D5
D4
D3
D2
D1
D0
Figure 10. Byte Structure after the second byte
SDA
SCL
S
start condition
P
stop condition
Figure 11. START and STOP Conditions
DATA
OUTPUT BY
TRANSMITTER
DATA
OUTPUT BY
RECEIVER
SCL FROM
MASTER
S
START
CONDITION
not acknowledge
1
2
acknowledge
8
9
Figure 12. Acknowledge on the I²C-Bus
clock pulse for
acknowledgement
MS1068-E-04
- 12 -
2011/03