[AKD4184A-A]

Board Outline Chart

Outline Chart

S1

AGND

AIN_YP

AVDD

IFVCC

VCC

AIN_XP

J1

IOVDD

SW31

DGND

LEDVIN

AK4184A

U1

1 2 3 4 5 6 7 8

OFF

AK7953

U3

LED9 LED10

U6

74AVC8T245

U5

74AVC8T245

PORT3

10

9

2

1

PORT2

10

2

9

1

U2

74AVC8T245

GP 0-7

SW1-30

L

H

JP9-16

Figure 2. AKD4184A-A Outline Chart

Comment

(1) J1 (8 pin header)

Connector for the 4-wire touch panel connection; Match and connect the pins of the panel with these connectors.

(2) S1 (DIP Switch), GP 0-7 (LED)

When JP 9-16 are set to “IN", “L" or “H" is input to the AK4184A GPIO 0-7pin by S1.

When JP 9-16 are set to “OUT", the status of the AK4184A GPIO 0-7pin can be confirmed with LED of GP 0-7.

(3) AVDD, IOVDD, VCC, AGND, IFVCC, LEDVIN, DGND

Connect power supply to these pins.

(4) AIN_YP, AIN_XP (RCA Jack)

Analog signal input Jack; When the touch panel is not connected, it can be evaluated by input 0V~VDD signal

directly to the XP pin and the YP pin.

(5) LED9,10 (WHITE LED)

LED is lit by the PWM signal for controlling the brightness from AK4184A.

(6) PORT1 (25 pin D-sub)

Control port; Please connect it with PC with D-sub parallel cable.

(7) SW1-30 (Key pad)

Keypad scanner function of the AK4184A can be evaluated.

<KM093500>

2008/03

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