AK4186 Datasheet, PDF (28/33 Pages) Asahi Kasei Microsystems – Low Power Touch Screen Controller with I2C Interface

AK4186ECB <5-wire Touch Screen Input>
5-wire
Touch Screen
[AK4186]
Analog Ground
Digital Ground
0.001µ *
0.001µ *
0.001µ *
0.001µ *
Analog Supply
1.6∼3.6V_10µ +
0.1µ
BR
TR
TL
BL
Top View
VDD
CAD 0
TEST
WIPER PENIRQN SDA
VSS
SCL
0.001µ*
“L” or “H”
Rp
Rp
µP
Figure 37. Typical Connection Diagram (5-wire, AK4186ECB)
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.
MS1068-E-04
- 28 -
2011/03