AKD4184-A Datasheet, PDF (6/24 Pages) Asahi Kasei Microsystems – Analog I/F IC which includes 4-wire resistive Touch Screen Controller

ASAHI KASEI
„ Other jumper pins set up
[JP1] (GND) : Analog ground and Digital ground
OPEN: Separated.
SHORT: Common. (The connector “DGND” can be open.) <Default>
[JP2] (IOVDD_SEL): IOVDD of the AK4184
OPEN: IOVDD is supplied from “IOVDD” jack. <Default>
SHORT: Supplied from “AVDD” (“IOVDD” jack should be open).
[JP3] (VCC_SEL): Logic block is selected supply line
OPEN: VCC is supplied from “VCC” jack.
SHORT: Supplied from “IOVDD” (“VCC” jack should be open). <Default>
[JP4] (LEDVIN_SEL): VIN of the AK7953
OPEN: LEDVIN is supplied from “LEDVIN” jack. <Default>
SHORT: Supplied from “IFVCC” (“LEDVIN” jack should be open).
[JP5] (XP_SEL): Connect XP of the AK4184
TSC:
Connect the Touch Screen to J1. <Default>
AIN:
Analog signal is input from J2.
[JP6] (YP_SEL): Connect YP of the AK4184
TSC:
Connect the Touch Screen to J1. <Default>
AIN:
Analog signal is input from J3.
[JP7] (XN_SEL): Connect XN of the AK4184
TSC:
Connect the Touch Screen to J1. <Default>
GND: Connect the GND.
[JP8] (YN_SEL): Connect YN of the AK4184
TSC:
Connect the Touch Screen to J1. <Default>
AIN:
Analog signal is input from J2.
GND: Connect the GND.
[JP17] (AIN_SEL): J2 signal input
XP:
Analog signal is input to XP. <Default>
YN:
Analog signal is input to YN.
[JP18] (PWM): Indication for White LEDs
OPEN: Disable.
SHORT: Enable. <Default>
[JP19] (LED_EN): Indication for GPO LEDs
OPEN: Enable.
SHORT: Disable. <Default>
[JP20] (PULL_UP): GPO Pull-up register
OPEN: Don’t use.
SHORT: Use pull-up register. <Default>
[JP21] (DOUT_PD): DOUT Pull-down register
OPEN: Don’t use.
SHORT: Use pull-down register. <Default>
[AKD4184-A]
<KM085900>
-6-
2007/04