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AsahiKASEI AKM AKD4160-A Manual

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The AKD4160-A is an evaluation board for the AK4160, which is 16-channel capacitive touch sensor with
a low operating voltage and a low operating power. Since the AKD4160-A has a I2C serial I/F, it is
possible to control the AK4160 by writing and reading registers, and operate kinds of touch pad with a
capacitor sensor connector on the AKD4160-A,
■
Ordering guide
AKD4160-A ---
• I
2
C serial I/F
• Cap Sensor Connector
• Touch Pad Operations
Control Port
PORT1
I2C I/F
OPTIONAL
PORT2
IRQnN
* Circuit diagram and PCB layout are attached at the end of this manual.
<KM104501>
GENERAL DESCRIPTION
Evaluation board for AK4160
(Cable for connecting with an USB port and control software is packed with this.)
VDD
AK4160
Figure 1. AKD4160 Block Diagram
Evaluation board Rev.0 for AK4160
FUNCTION
VSS
- 1 -
[AKD4160-A]
AKD4160-A
PORT4
Touch Pad
CS
2010/11

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Summary of Contents for AsahiKASEI AKM AKD4160-A

  • Page 1 [AKD4160-A] AKD4160-A Evaluation board Rev.0 for AK4160 GENERAL DESCRIPTION The AKD4160-A is an evaluation board for the AK4160, which is 16-channel capacitive touch sensor with a low operating voltage and a low operating power. Since the AKD4160-A has a I2C serial I/F, it is possible to control the AK4160 by writing and reading registers, and operate kinds of touch pad with a capacitor sensor connector on the AKD4160-A, ■...
  • Page 2 [AKD4160-A] BOARD OUTLINE CHART ■ Outline Chart Figure 2. AKD4160-A Outline Chart ■ Comment (1) VDD, VSS, IFVDD, IFVSS Connect power supply with these pins. (2) SW1 The tactile switch for AK4160’s reset. (3) PORT1 Control port. Connect the bundled cable into this port. (4) PORT2 This Port is for I/O of IRQ interrupt and input of reset pin.
  • Page 3 [AKD4160-A] ■ Operation sequence (1) Power supply lines. <Default> Jumper pin setting. (Short) The power supply lines’ connection. Name Color Voltage Comments 1.71∼3.6V(typ=1.8V) Power supply for VDD of AK4160. IFVDD Orange typ=3.3V Power supply for digital logic circuits. Black AK4160’s GND. IFVSS Black Digital logic circuits’...
  • Page 4 [AKD4160-A] ■ Evaluation mode When evaluating the functions of the AK4160, it is necessary to connect a touch pad board with the PORT4. Regarding pin assignment of PORT4, refer to Figure 4 or circuit diagrams in this manual. As for the AK4160’s register definitions, refer to the datasheet of the AK4160.
  • Page 5 [AKD4160-A] ■ Other Jumper Pins set up Main Board [JP1] (GND): Analog ground and Digital ground OPEN: Separated. SHORT: Common. <Default> [JP4] (I/O): Selection of U4 (74AVC4T245)’s operation A-B: A data to B bus when IRQ / GPIO is used as input. <Default> B-A: B data to A bus when IRQ / GPIO is used as output.
  • Page 6 [AKD4160-A] ■ Serial Control The AKD4160 can be connected with an USB port. Connect PORT1 (Control Port) with a PC by the USB box packed with the AKD4160. PORT1 Connect SDA(ACK) USB box Control AKD4160 Port Figure 3. Connect of the USB box ■...
  • Page 7 [AKD4160-A] CONTROL SOFTWARE MANUAL ■ Evaluation Board and Control Soft Settings 1. Set an evaluation board properly. 2. Connect PORT1 (Control Port) with a PC by the USB box packed with the AKD4160. (Please install the driver in the CD-ROM when using this control software is used on Windows 2000/XP/Vista. Please refer “Installation Manual of Control Software Driver by AKM device control software”.

  • Page 8: Operation Overview

    [AKD4160-A] ■ Operation Overview Register map and testing tool can be controlled by this control soft. These controls are selected by upper tabs. Buttons which are frequently used such as register initializing button “Write Default”, are located outside of the switching tab window.

  • Page 9: Reg]: Register Map

    [AKD4160-A] ■ Tab Functions 1. [REG]: Register Map This tab is for a register writing and reading. Each bit on the register map is a push-button switch. Button Down indicates “H” or “1” and the bit name is in red (when read only it is in deep red). Button Up indicates “L”...
  • Page 10 [AKD4160-A] [Write]: Data Writing Dialog It is for when changing two or more bits on the same address at the same time. Click [Write] button located on the right of the each corresponded address for a pop-up dialog box. When checking the checkbox, the register will be “H” or “1”, when not checking the register will be “L” or ”0”. Click [OK] to write setting value to the registers, or click [Cancel] to cancel this setting.
  • Page 11 [AKD4160-A] 2. [Tool]: Testing Tools This tab screen is for evaluation testing tool. Click buttons for each testing tool. Figure 8. Repeat Test & Loop Setting <KM104501> 2010/11 - 11 -...

  • Page 12: Dialog Boxes

    [AKD4160-A] ■ Dialog Boxes 1. [All Req Write]: All Req Write dialog box Click [All Reg Write] button in the main window to open register setting files. Register setting files saved by [SAVE] button can be applied. Figure 9. [All Reg Write] Window [Open (left)]: Selecting a register setting file (*.akr).
  • Page 13 [AKD4160-A] 2. [Data R/W]: Data R/W Dialog Box Click the [Data R/W] button in the main window for data read/write dialog box. Data write is available to specified address. Figure 10. [Data R/W] Window Address Box: Input data address in hexadecimal numbers for data writing. Data Box: Input data in hexadecimal numbers.

  • Page 14: Sequence Setting

    [AKD4160-A] 3. [Sequence]: Sequence Dialog Box Click [Sequence] button to open register sequence setting dialog box. Register sequence can be set in this dialog box. Figure 11. [Sequence] Window Sequence Setting Set register sequence by following process bellow. (1)Select a command Use [Select] pull-down box to choose commands.

  • Page 15: Control Buttons

    [AKD4160-A] [ Interval ]: Interval time Valid boxes for each process command are shown bellow. · No_use: None · Register: [Address], [Data], [Interval] · Reg(Mask): [Address], [Data], [Mask], [Interval] · Interval: [Interval] · Stop: None · End: None Control Buttons The function of Control Button is shown bellow.
  • Page 16 [AKD4160-A] 4. [Sequence(File)]: Sequence Setting File Dialog Box Click [Sequence(File)] button to open sequence setting file dialog box. Those files saved in the “Sequence setting dialog” can be applied in this dialog. Figure 12. [Sequence(File)] Window [Open (left)]: Opening a sequence setting file (*.aks). [Start]: Executing the sequence setting.

  • Page 17: Revision History

    [AKD4160-A] REVISION HISTORY Date Manual Board Reason Page Contents (yy/mm/dd) Revision Revision 10/11/05 KM104500 First Edition 10/11/26 KM104501 Figure.4 add 10/11/26 KM104501 Figure.6 change 10/11/26 KM104501 Figure.8 change IMPORTANT NOTICE These products and their specifications are subject to change without notice. When you consider any use or application of these products, please make inquiries the sales office of Asahi Kasei Microdevices Corporation (AKM) or authorized distributors as to current status of the products.
  • Page 18 IFVDD IFVDD PORT1 PORT1 JP10 JP10 U2 74AVC4T245 U2 74AVC4T245 3.3V 3.3V SDA(ACK) CTRL CTRL 1DIR 2DIR GPIO0 GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 IFVDD VCCA VCCB 0.1u 0.1u 0.1u 0.1u IFVDD 7pin_1 7pin_1 PORT3 PORT3 IRQ0N IRQ1N IRQ2N RSTN TEST28 TEST28 TEST27 TEST27...
  • Page 19 PORT5 PORT5 GPIO3 GPIO2 GPIO0 GPIO1 GPIO1 GPIO0 GPIO2 GPIO7 GPIO3 GPIO6 GPIO4 GPIO5 GPIO5 GPIO6 GPIO4 GPIO7 CS_PAD1 CS_PAD1 Title Title Title AKD4160-A-Touch Pad <Title> <Title> <Title> Size Size Size Document Number Document Number Document Number 16 PAD <Doc> <Doc>...
  • Page 20 LED0 LED0 GPIO0 LED1 LED1 GPIO1 LED2 LED2 GPIO2 PORT6 PORT6 LED3 LED3 GPIO3 GPIO0 GPIO1 LED4 LED4 GPIO2 GPIO4 GPIO3 GPIO4 GPIO5 LED5 LED5 GPIO6 GPIO7 GPIO5 LED6 LED6 GPIO6 LED7 LED7 GPIO7 CS_PAD2 CS_PAD2 Title Title Title AKD4160-A-Touch Pad <Title>...