AK4186 Datasheet, PDF (3/33 Pages) Asahi Kasei Microsystems – Low Power Touch Screen Controller with I2C Interface

[AK4186]
PIN/FUNCTION
Pin No.
ECB EN
D1 1
C1 2
Pin Name
SCL
SDA
I/O
I I²C Serial Clock Input
I/O I²C Serial Data Input/ Output
Function
B1 3 PENIRQN O Pen Interrupt Output (CMOS output)
The PENIRQN pin is “L” when touch-screen press is detected. This pin is
always “L” irrespective of touch-screen press when pen interrupt is not
B2 4 CAD0
enabled.
I I²C Slave Address bit 0
-
5 NC
- No Connection.
No internal bonding. This pin must be connected to VSS.
A1 6 IN
I Auxiliary Analog Input (4-wire, PANEL bit = “0”)
WIPER
I Top Touch Panel Input (5-wire, PANEL bit = “1”)
A2 7 VDD
- Power Supply and External Reference Input: 1.6V ~ 3.6V
-
8 NC
- No Connection.
No internal bonding. This pin must be connected to VSS.
A3 9 XP
I/O Touch Panel X+ Input (4-wire, PANEL bit = “0”)
BR
I/O Touch Panel Bottom Right Input (5-wire, PANEL bit = “1”)
B3 10 YP
I/O Touch Panel Y+ Input (4-wire, PANEL bit = “0”)
TR
I/O Touch Panel Top Right Input (5-wire, PANEL bit = “1”)
C3 11 XN
I/O Touch Panel X- Input (4-wire, PANEL bit = “0”)
TL
I/O Touch Panel Top Left Input (5-wire, PANEL bit = “1”)
D3 12 YN
I/O Touch Panel Y- Input (4-wire, PANEL bit = “0”)
BL
I/O Touch Panel Bottom Left Input (5-wire, PANEL bit = “1”)
-
13 NC
- No Connection.
No internal bonding. This pin must be connected to VSS.
D2 14 VSS
- Ground
C2 15 TEST
I TEST pin
This pin must be connected to VSS.
-
16 NC
- No Connection.
No internal bonding. This pin must be connected to VSS.
Note 1. All digital input pins (CAD0, SCL, SDA) must not be left floating.
MS1068-E-04
-3-
2011/03