AK4186 AKM [Asahi Kasei Microsystems], AK4186 Datasheet - Page 21

• Manufacturer Part Number: AK4186
• Description: Low Power Touch Screen Controller with I2C Interface
• Manufacturer: AKM [Asahi Kasei Microsystems]

■
To fix the I
reset command to initialize internal registers.
MS1068-E-04
Power-up Sequence
SDA
2
C interface statement, send a dummy command when first power up. After the dummy command, send a
S
R
S
T
A
T
Slave
Address
1
1
1
R/W= “0”
Figure 23. Slave Address Construction (CAD0 is set by a pin)
Dummy Command
Dummy
Address
0
1
1
Figure 25. Dummy Command Construction
Figure 24. Dummy Address Construction
Figure 26. Power-up Sequence
0
1
1
CONTROL SEQUENCE
Dummy
Command
1
1
1
- 21 -
P
O
S
T
P
S
R
S
T
A
T
Slave
Address
0
1
1
R/W= “0”
0
1
1
Reset Command
Sub
Address
CAD0
1
1
Reset
Command
R/W
1
1
P
O
S
T
P
[AK4186]
2011/03