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Asahi KASEI AKD4220-A Instruction Manual

Ak4220 evaluation board
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AKD4220-A is an evaluation board for AK4220 that has various 7:3 audio and 6:3 video switches. This
board can achieve the interface with AV systems via RCA connectors.
Ordering guide
AKD4220-A --- AK4220 Evaluation Board
• RCA connectors for analog audio: 7 inputs 3 outputs
• RCA connectors for video: 6 inputs, 3 outputs
• 10-pin header for I
+12V
REG
LIN+1
GND1
RIN+1
LIN+2
GND2
RIN+2
LIN+3
GND3
RIN+3
LIN+4
GND4
RIN+4
LIN+5
Input
GND5
circuits
RIN+5
LIN+6
GND6
RIN+6
LIN+7
GND7
RIN+7
VIN1
VIN2
VIN3
VIN4
VIN5
VIN6
* Circuit diagram and PCB layout are attached at the end of this manual.
<KM083401>
GENERAL DESCRIPTION
10-wire flat cable for connection with printer port of PC (IBM-AT compatible
machine), control software for AK4220, driver for control software on Windows
2000/XP are packed with this.
Control software does not work on Windows NT
Windows 2000/XP needs an installation of driver.
Windows 95/98/ME does not need an installation of driver.
2
C/4-wire serial control
AVDD VVDD1
D5V
5V
Figure 1. AKD4220-A Block Diagram
AK4220 Evaluation Board Rev.0
FUNCTION
DVDD
D3.3V
3.3V
REG
AK4220
- 1 -
[AKD4220-A]
AKD4220-A
Digital Logic
Output
circuits
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
VOUT1
VOUT2
VOUT3
2012/04

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Summary of Contents for Asahi KASEI AKD4220-A

  • Page 1 AKD4220-A AK4220 Evaluation Board Rev.0 GENERAL DESCRIPTION AKD4220-A is an evaluation board for AK4220 that has various 7:3 audio and 6:3 video switches. This board can achieve the interface with AV systems via RCA connectors. Ordering guide AKD4220-A --- AK4220 Evaluation Board...

  • Page 2: Evaluation Board Manual

    [AKD4220-A] EVALUATION BOARD MANUAL Operation sequence 1) Set up power supply lines. Name of Color Voltage Used for Open / connect Default jack of jack Setting +12V Green +12V Regulator (T1) Should be always connected when +12V power supply lines are supplied from regulator of T1.
  • Page 3 [AKD4220-A] Set up jumper pins 1. JP1 (GND) : Analog ground and Digital ground OPEN : Separated. SHORT : Common. (The connector “DGND” can be open.) <Default> 2. JP9 (REG) : AVDD, VVDD1 of the AK4220, and regulator of T2 (TA48M033F) OPEN : AVDD is supplied from “AVDD ”...

  • Page 4: Set Up Dip Switches

    [AKD4220-A] Set up DIP switches SW1 Setting for I2C of AK4220 Pin No. Pin Name ON (“H”,“1”) / OFF (“L”,“0”) Default Control mode Select ON (“H”, “1”) OFF (“L”, “0”) CAD1 Chip Address Select (Note1) OFF (“L”, “0”) CAD0 Chip Address Select (Note1) Table 2.
  • Page 5 The AK4220 can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect printer port (parallel port) of PC and PORT2 (CTRL) of AKD4220-A by 10-wire flat cable (packed with AKD4220-A). Take care of the direction of 10-pin connector and 10-pin header.
  • Page 6 [AKD4220-A] Input / Output circuit & Set-up jumper pin for Input / Output circuits (1) Audio Input Circuit GND1, LIN+1, RIN+1∼ GND7, LIN+7, RIN+7 Input circuits 0.47u GND1 GND1 (short) (open) 0.47u LIN+1 LIN+1 (short) (open) 0.47u RIN+1 RIN+1 (short) (open) Figure 3.
  • Page 7 [AKD4220-A] (3)Video Input Circuit VIN1 ∼ VIN6 Input circuits 0.1u VIN1 VIN1 (short) Figure 5. VIN Input circuit (4)Video Output Circuit VOUT1 ∼ VOUT3 Output circuits SAG1-1 VOUT1 VOUT1 100u SAG1-2 VFB1 2.2u Figure 6. VOUT Output circuit (4-1) “DC Output” is output from J34, J35 and J36 connector. (SAGN bit = 1) <Default>...

  • Page 8: Operation Flow

    1. Set up the AKD4220-A e valuation board according to the above instructions 2. Connect PC with AKD4220-A by 10-line type flat cable (packed with AKD4220-A). Please note the direction of the 10pin header. 3. Insert the CD-ROM labeled “AKD4220-A Evaluation Kit” into the CD-ROM drive.

  • Page 9: Button Functions

    [AKD4220-A] Button Functions 1. [Port Reset] : Set up USB interface board (AKDUSBIF-B). 2. [Write default] : Initialize all register settings. 3. [All Write] : Write all registers currently displayed. 4. [All Read] : Read all current register settings. 5. [Save] : Save the current register setting to .akr file.

  • Page 10: Save] And [Load]

    [AKD4220-A] Explanation of each dialog 1. [Write Dialog]: Dialog to write data by mouse operation There are dialogs corresponding to each register address. Click the [Write] button corresponding to each register address to open the dialog. If the checkbox next to the register is checked, “H”...
  • Page 11 [AKD4220-A] 3-1. [Open] and [Write] button 1) Click [Open] button and select register setting file (*.akr). (2) Click [Write] button to execute register setting. 3-2. [Save] and [Open] buttons on right side [Save]: Save register setting file as *.ak5 file [Open]: Load register setting file (*.ak5).
  • Page 12 [AKD4220-A] Figure 3. [Sequence] window 6. [Sequence(File) Dialog] Figure 4 sequence created in [Sequence]. Click [Sequence(File)] button to open the dialog shown in Write and execute Figure 4. [Sequence(File)] window <KM083401> 2012/04 - 12 -...
  • Page 13 [AKD4220-A] 6-1. [Open] buttons on left side and [Start] buttons (1) Click [Open] button and select the sequence file (*.aks). (2) Click [Start] button to execute the sequence. 6-2. [Save] and [Open] buttons on right side [Save]: Save sequence file. The file name is *.ak4.

  • Page 14: Measurement Results

    [AKD4220-A] MEASUREMENT RESULTS Audio [Measurement condition] • Measurement unit : Audio Precision System two Cascade • BW : 10Hz∼20kHz • Power Supply : AVDD=5V, VVDD1=5V, VVDD2=5V, DVDD=3V • Temperature : Room • Measurement signal line path: LIN+1/RIN+1 → LOUT/ROUT Parameter...
  • Page 15 [AKD4220-A] Video [Measurement condition] • Signal Generator : Sony Tectonics TG2000 • Measurement unit : Sony Tectonics VM700T • Power Supply : AVDD=5V, VVDD1=5V, VVDD2=5V, DVDD=3V • Temperature : Room • Measurement signal line path: VIN1 → VOUT1 Parameter Measurement conditions...
  • Page 16 [AKD4220-A] Plots (Audio) AK4220 FFT LIN1/RIN1-->LOUT1/ROUT1 input=0dBV 11/17/05 10:47:28 -100 -110 -120 -130 -140 -150 -160 Figure1-1. FFT (fin=1kHz Input Level=0dBV) AK4220 FFT LIN1/RIN1-->LOUT1/ROUT1 input=-60dBV 11/17/05 10:55:52 -100 -110 -120 -130 -140 -150 -160 Figure-1-2. FFT (fin=1kHz Input Level=-60dBV) <KM083401>...
  • Page 17 [AKD4220-A] AK4220 FFT LIN1/RIN1-->LOUT1/ROUT1 Input=no signal 11/17/05 11:18:13 -100 -110 -120 -130 -140 -150 -160 Figure1-3. FFT (Noise Floor) AK4220 LIN1/RIN1-->LOUT1/ROUT1 THD vs.Input Level 11/17/05 11:05:06 fin=1kHz -100 -120 -110 -100 Figure1-4. THD+N vs. Input level (fin=1kHz) <KM083401> 2012/04 - 17 -...
  • Page 18 [AKD4220-A] AK4220 LIN1/RIN1-->LOUT1/ROUT1 THD vs.Input Frequency 11/17/05 11:13:51 Input=0dB -100 Figure1-5. THD+N vs. Input Frequency (Input level=0dBV) AK4220 LIN1/RIN1-->LOUT1/ROUT1 Linearity fin=1kHz 11/17/05 11:22:34 -100 -110 -120 -120 -110 -100 Figure1-6.Linearity (fin=1kHz) <KM083401> 2012/04 - 18 -...
  • Page 19 [AKD4220-A] AK4220 LIN+1/RIN+1-->LINEOUT Frequency Response Input=0dBV 05/18/06 13:15:12 +0.9 +0.8 +0.7 +0.6 +0.5 +0.4 +0.3 +0.2 +0.1 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 last.at2 Figure1-7. Frequency Response (Input level=0dBV) Figure1-8. Crosstalk (Input level=0dBV) <KM083401> 2012/04 - 19 -...
  • Page 20 [AKD4220-A] Plots(Video) Figure 2-1. Noise spectrum (Input=0%flat field, BW=15kHz to 5MHz, uni weighted, SAG=1) Figure 2-2. Frequency Response (Input= Multi Burst, SAG=1) <KM083401> 2012/04 - 20 -...
  • Page 21 [AKD4220-A] Figure 2-4 Crosstalk (Input= 100% red (VIN1), measured at VOUT1) Figure 2-4 Crosstalk (Input= 100% red (VIN2), measured at VOUT1) <KM083401> 2012/04 - 21 -...
  • Page 22 [AKD4220-A] Figure 2-5 DG, DP (Input= Modulated Lamp, SAG=1) <KM083401> 2012/04 - 22 -...

  • Page 23: Revision History

    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.

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