AKD4184-A Datasheet, PDF (2/24 Pages) Asahi Kasei Microsystems – Analog I/F IC which includes 4-wire resistive Touch Screen Controller

ASAHI KASEI
[AKD4184-A]
„ Operation sequence
(1) Set up the power supply lines.
Set up the jumper pins.
JP4
LEDVIN_SEL
JP3
VCC_SEL
JP2
IOVDD_SEL
(Open)
(Short)
(Open)
Set up the power supply lines.
[AVDD] (orange) = 2.5 ∼ 3.6V : for AVDD of AK4184 (typ. 3.3V)
[IOVDD] (oranege) = 1.6 ∼ 3.6V : for IOVDD of AK4184 and logic (typ. 3.3V)
*IOVDD should be less than AVDD.
[IFVCC] (red) = 1.2 ∼ 3.6V : for logic (typ. 3.3V)
[LEDVIN] (red) = 2.8 ∼ 5.5V : for AK7953 (typ. 3.3V)
[AGND] (black) = 0V
[DGND] (black) = 0V
* Each supply line should be distributed from the power supply unit.
(2) Set up the evaluation mode, jumper pins and DIP switches. (See the followings.)
(3) Power on.
The AK4184 should be resets once bringing SW31 “L” upon power-up.
<KM085900>
-2-
2007/04