AK4186 AKM [Asahi Kasei Microsystems], AK4186 Datasheet - Page 27

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

AK4186EN <4-wire Touch Screen Input>
MS1068-E-04
Notes:
- VSS of the AK4186 should be distributed separately from the ground of external controllers.
- All digital input pins (SCL, SDA, CAD0 pins) must not be left floating.
Digital Ground
µP
Figure 36. Typical Connection Diagram (4-wire, AK4186EN)
Rp
Analog Ground
Rp
13
14
15
16
VSS
T EST
N C
NC
AK4186EN
- 27 -
Top View
Touch Screen
4-wire
VDD
NC
NC
IN
8
7
6
5
“L” or “H”
0.1µ
0.001µ *
0.001µ *
0.001µ *
0.001µ *
10µ
+
Analog Supply
1.6∼3.6V
Auxiliary
Analog Input
[AK4186]
2011/03