AK4185 AKM [Asahi Kasei Microsystems], AK4185 Datasheet - Page 3

• Manufacturer Part Number: AK4185
• Manufacturer: AKM [Asahi Kasei Microsystems]

No.
Note 1. All digital input pins (DIN, CSN, SCLK) must not be left floating.
MS0954-E-00
C2
B2
D1
A2
A3
B3
C3
D3
D2
A1
B1
C1
Pin Name
DIN
CSN
SCLK
VDD
XP
BR
YP
TR
XN
TL
YN
BL
VSS
IN
WIPER
PENIRQN
DOUT
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
I
I
I
-
-
I
I
Serial Data Input
Chip Select Input
Serial Clock Input
Power Supply and External Reference Input: 1.6V ~ 3.6V
Touch Panel X+ Input (4-wire, PANEL bit = “0”)
Ground
Auxiliary Analog Input (4-wire, PANEL bit = “0”)
Top Touch Panel Input (5-wire, PANEL bit = “1”)
Pen Interrupt Output (CMOS output)
Serial A/D Data Output
Touch Panel Bottom Right Input (5-wire, PANEL bit = “1”)
Touch Panel Y+ Input (4-wire, PANEL bit = “0”)
Touch Panel Top Right Input (5-wire, PANEL bit = “1”)
Touch Panel X- Input (4-wire, PANEL bit = “0”)
Touch Panel Top Left Input (5-wire, PANEL bit = “1”)
Touch Panel Y- Input (4-wire, PANEL bit = “0”)
Touch Panel Bottom Right Input (5-wire, PANEL bit = “1”)
Data is clocked on the rising edge of SCLK. Must keep “L” while not issuing
command.
Enables writing data to registers when CSN = “L”.
The PENIRQN pin is “L” when touch-screen press is detected and CSN = “H”. This
pin is always “H” irrespective of touch-screen press when pen interrupt is not
enabled.
Data is clocked at SCLK falling edge. This pin is Hi-Z when CSN keeps “H”.
PIN/FUNCTION
- 3 -
Function
[AK4185]
2008/05