ak4183 AKM Semiconductor, Inc., ak4183 Datasheet - Page 2
ak4183
Manufacturer Part Number
ak4183
Description
I 2 C Touch Screen Controller
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK4183.pdf
(17 pages)
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ASAHI KASEI
AK4183VT
MS0500-E-00
No.
10
1
2
3
4
5
6
7
8
9
Ordering Guide
Pin Layout
VCC
XP
YP
XN
YN
GND
PENIRQN
CAD0
SDA
SCL
Signal Name
-40°C ∼ +85°C
I/O
I/O
I/O
I/O
I/O
I/O
O
-
-
I
I
VCC
XN
YN
XP
YP
Power Supply
Touch Screen X+ plate Voltage supply
Touch Screen Y+ plate Voltage supply
Touch Screen X- plate Voltage supply
Touch Screen Y- plate Voltage supply
Ground
Pen Interrupt Output
This pin is “L” during the pen down on pen interrupt enabled state otherwise this pin is “H”.
This pin is “L” during pen interrupt disabled state regardless pen touch.
I
I
I
2
2
2
C bus Slave Address bit 0
C serial data
C serial clock
1
2
3
4
5
X axis Measurement: Supplies the voltage to X+ position input of the touch panel.
Y axis Measurement: This pin is used as the input for the A/D converter
Pen Pressure Measurement: This pin is the input for the A/D converter at Z1 measurement.
Pen Waiting State: Pulled up by an internal resistor (typ.10K ohm).
X axis Measurement: This pin is used as the input for the A/D converter
Y axis Measurement: Supplies the voltage to Y+ position input of the touch panel
Pen Pressure Measurement: Supplies the voltage to Y+ position input of the touch panel.
Pen Waiting State: OPEN state
X axis Measurement: Supplies the voltage to X- position input of the touch panel
Y axis Measurement: OPEN state
Pen Pressure Measurement: Supplies the voltage to X- position input of the touch panel
Pen Waiting State: OPEN state
X axis Measurement: OPEN state
Y axis Measurement: Supplies the voltage to Y- position input of the touch panel
Pen Pressure Measurement: This pin is the input for the A/D converter at Z2 measurement.
Pen Waiting State: connected to GND.
10pin TMSOP (0.5mm pitch)
Pin/Function
Top View
2
Description
10
8
7
6
9
SCL
SDA
GND
CAD0
PENIRQN
2006/04
[AK4183]