AK4220VQ

[AKD4220-A]
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
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.
FUNCTION
• RCA connectors for analog audio: 7 inputs 3 outputs
• RCA connectors for video: 6 inputs, 3 outputs
• 10-pin header for I2C/4-wire serial control
AVDD VVDD1
+12V
D5V
5V
REG
3.3V
DVDD D3.3V
REG
DVDD
VVDD2
VVDD1
LIN+1
GND1
RIN+1
LIN+2
GND2
RIN+2
LIN+3
GND3
RIN+3
LIN+4
GND4
RIN+4
LIN+5
GND5
RIN+5
LIN+6
GND6
RIN+6
LIN+7
GND7
RIN+7
AVDD
Digital Logic
Output
circuits
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
VOUT1
VOUT2
VOUT3
Input
circuits
AK4220
VIN1
VIN2
VIN3
VIN4
VIN5
VIN6
Figure 1. AKD4220-A Block Diagram
* Circuit diagram and PCB layout are attached at the end of this manual.
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[AKD4220-A]
EVALUATION BOARD MANUAL
„ Operation sequence
1) Set up power supply lines.
Name of
jack
+12V
Color
of jack
Green
Voltage
AVDD
Red
+5V
VVDD1
Bule
+5V
D5V
Red
+5V
DVDD
Orange
+3.3V
D3.3V
Orange
+3.3V
AGND
VVSS
DGND
Black
Black
Black
0V
0V
0V
+12V
Used for
Open / connect
Regulator (T1)
Should be always connected when
power supply lines are supplied from
regulator of T1. In this case “JP9
(REG)” is set to short.
AVDD of AK4220
Should be always connected when
AVDD is not supplied from regulator
of T1. In this case “JP9 (REG)” is set to
open.
VVDD1 of AK4220 Should be always connected when
AVDD is not supplied from regulator
of T1. In this case “JP10 (VVDD1)” is
set to open.
Regulator (T2)
Should be always connected when
JP2(DVDD_SEL) is set to DVDD side.
Can be open when JP2(DVDD_SEL) is
set to REG side.
DVDD of AK4220
Should be always connected when
DVDD is not supplied from regulator
of T1 and T2. In this case “JP15
(DVDD)” is set to open.
Digital Logic
Should be always connected when
D3.3V is not supplied from regulator of
T1 and T2. In this case “JP13 (D3.3V)”
is set to open.
Analog Ground
Should be always connected.
Analog Ground
Should be always connected.
Digital Ground
Should be always connected, when JP1
(GND) is set to open.
Table 1. Set up the power supply lines
Default
Setting
+12V
Open
Open
Open
Open
Open
0V
0V
0V
(Note) Each supply line should be distributed from the power supply unit.
2) Set-up jumper pins and DIP switches. (See the followings.)
3) Power on.
AK4220 should be reset once bringing SW2 (PDN) to “L” upon power-up.
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„ Set up jumper pins
1. JP1 (GND)
OPEN
SHORT
: Analog ground and Digital ground
: Separated.
: Common. (The connector “DGND” can be open.) <Default>
2. JP9 (REG)
OPEN
SHORT
: AVDD, VVDD1 of the AK4220, and regulator of T2 (TA48M033F)
: AVDD is supplied from “AVDD ” jack. (“+12V” jack should be open)
: AVDD is supplied from regulator of T1 (NJM78M05FA). < Default >
3. JP16 (AVDD)
OPEN
SHORT
: AVDD of the AK4220
: AVDD is supplied from “AVDD ” jack.
: AVDD is supplied from regulator of T1 (NJM78M05FA).
(“AVDD” jack should be open) < Default >
4. JP10 (VVDD1)
OPEN
SHORT
: VVDD1 of the AK4220
: VVDD1 is supplied from “VVDD1 ” jack.
: VVDD1 is supplied from regulator of T1 (NJM78M05FA).
(“VVDD1” jack should be open) < Default >
5. JP11 (D-A)
OPEN
SHORT
: Regulator of T2 (TA48M033F)
: Regulator of T2 (TA48M033F) is supplied from “D5V ” jack.
: Regulator of T2 (TA48M033F) is supplied from regulator of T1 (NJM78M05FA).
(“D5V” jack should be open) < Default >
6. JP15 (DVDD)
OPEN
SHORT
: DVDD of the AK4220
: DVDD is supplied from “DVDD ” jack.
: DVDD is supplied from regulator of Regulator of T2 (TA48M033F).
(“DVDD” jack should be open) < Default >
7. JP13 (D3.3V)
OPEN
SHORT
: Power of digital logic
: D3.3V is supplied from “D3.3V ” jack.
: D3.3V is supplied from regulator of Regulator of T2 (TA48M033F).
(“D3.3V” jack should be open) < Default >
8. JP12 (VVDD2)
: Should be open.
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[AKD4220-A]
„ Set up DIP switches
SW1 Setting for I2C of AK4220
Pin No.
Pin Name
ON (“H”,“1”) / OFF (“L”,“0”)
1
I2C
Control mode Select
2
CAD1
Chip Address Select (Note1)
3
CAD0
Chip Address Select (Note1)
Table 2. SW1 Setting for I2C of AK4220
Default
ON (“H”, “1”)
OFF (“L”, “0”)
OFF (“L”, “0”)
(Note1) Chip Address is selected by CAD1, CAD0 pin (CAD10=”00”,”01”,”10”,”11”)
„ The function of the toggle SW
[SW2] (PDN):
Resets the AK4220. Keep “H” during normal operation.
„ Indication for LED
[LE1] (INT):
Monitor INT0 pin of the AK4220. LED turns on when channel dependent audio input detect
circuit and video signal detect circuit of the AK4220.
[LE2 ∼ 6] (Q0 ∼ 4):
Monitor Q0 ∼ 4 pin of the AK4220.
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„ Serial Control
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.
The control software packed with this evaluation board supports 4-wire serial control only.
PORT2
CTRL
1 10
CSN
Connect
CCLK/SCL
CDTI/SDA
CDTO/SDA
PC
Red
5 6
10-pin
header
10-wire
10-pin
flat cable connector
AKD4220-A
Figure 2. 10-wire flat cable, 10-pin connector, and 10-pin header
(1) 4-wire Serial Control Mode
The jumper pins should be set to the following.
JP8
I2C
(2) I2C-bus Control Mode
The jumper pins should be set to the following. <Default>
JP8
I2C
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„ 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
R73
1
R7
GND1
(short)
(open)
J4
LIN+1
C21
0.47u
R74
1
LIN+1
R10
(short)
(open)
J7
RIN+1
C24
0.47u
R75
1
RIN+1
+
2
3
4
5
0.47u
+
2
3
4
5
C18
+
2
3
4
5
J1
GND1
R13
(short)
(open)
Figure 3. GND, LIN+, RIN+ Input circuit
(2) Audio Output Circuit
LOUT1/ROUT1 ∼ LOUT3/ROUT3 Output circuits
R28
C39
10u
+
300
LOUT1
J22
LOUT1
1
2
3
4
5
R94
22k
R29
C40
10u
+
300
ROUT1
R95
J23
ROUT1
1
2
3
4
5
22k
Figure 4. LOUT/ROUT Output circuit
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(3)Video Input Circuit
VIN1 ∼ VIN6 Input circuits
2
3
4
5
J28
VIN1
C64
R58
0.1u
1
VIN1
(short)
R61
75
Figure 5. VIN Input circuit
(4)Video Output Circuit
VOUT1 ∼ VOUT3 Output circuits
1
VOUT1
1
2
3
4
5
SAG1-2
JP3
C45
+
2.2u
75
0
1
VFB1
VOUT1
C70
+
100u
J34
R70
SAG1-1
JP2
0
Figure 6. VOUT Output circuit
(4-1) “DC Output” is output from J34, J35 and J36 connector. (SAGN bit = 1) <Default>
JP3/JP5/JP7
SAG1-2/SAG2-2/SAG3-2
JP2/JP4/JP6
SAG1-1/SAG2-1/SAG3-1
1
1
0
0
(4-2) “SAG Trimming Circuit ” is output from J34, J35 and J36 connector. (SAGN bit = 0)
JP3/JP5/JP7
SAG1-2/SAG2-2/SAG3-2
JP2/JP4/JP6
SAG1-1/SAG2-1/SAG3-1
1
1
0
<KM083401>
0
2012/04
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[AKD4220-A]
Control Software Manual
„ Set-up of evaluation board and control software
1. Set up the AKD4220-A evaluation 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.
4. Access the CD-ROM drive and double-click “akd4220-a.exe.” Set up the control program as needed.
5. Evaluate according to the following.
„ Operation flow
1. Set up and open the control program as above.
The following operation screen will be shown. (Default setting)
Figure 1. Control software window
2. Click “Port Reset” button.
Enter desired register setting and begin evaluation.
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[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.
6. [Load]
: Load register setting from saved .akr file.
7. [All Reg Write] : Write to all registers by keyboard operation
8. [Data R/W]
: Read/write register data by keyboard operation.
9. [Sequence]
: The sequence of register setting can be set and executed.
10. [Sequence (File)] : The sequence created by [Sequence] can be assigned and executed.
11. [Write]
: Write data by mouse operation.
12. [Read]
: Read data by mouse operation.
13. [Read]
: Read and display all current register setting in register window (on right side of main window).
Different from [All Read] as it does not reflect to the register map.
„ Data Indication
Input data is indicated on the register map. Button DOWN with red label indicates “H” or “1” and button UP with blue
label indicates “L” or “0”. Blank buttons are not defined in the datasheet.
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„ 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” or “1” will be written to the register. If it is unchecked, “L” or “0” will be written to the
register.
Click [OK] button to execute the write to the registers. To cancel, click [Cancel] button.
2. [Save] and [Load]
2-1. [Save]
Save the current register setting data. The extension of file name is “akr”.
(Operation flow)
(1) Click [Save] Button.
(2) Enter a file name and push [Save] Button to save settings to .akr file.
2-2. [Load]
Write the register setting saved using [Save].
(Operation flow)
(1) Click [Load] Button.
(2) Select file (*.akr) and Click [Open] Button.
3. [All Register Write Dialog]
Write and execute the register settings created by [SAVE] function. Click [All Reg Write] button to open the dialog
shown in Figure 2.
Figure 2. [All Reg Write] window
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[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).
3-3. Note
(1) All files must be in same folder for [Save] and [Open] function on right side.
(2) If register setting is changed by [Save] Button in main window, the file should be loaded again in order to reflect the
change.
4. [Data Read/Write Dialog]: Dialog to write data by keyboard operation
Address Box: Input registers address in 2 hexadecimal figures.
Data Box:
Input registers data in 2 hexadecimal figures.
Mask:
Input mask data in 2 hexadecimal figures. This value is AND-ed with input data.
Click [Write] button to execute the write to the registers. To cancel, click [Close] button.
To read the current register value for the specified address, click [Read].
5. [Sequence Dialog]
Set and execute register setting sequence.
(1) Click [Sequence] Button.
(2) Set the control sequence.
Enter Address, Data and Interval time. Enter “-1” to Address to end sequence at that step.
(3) Click [Start] button to execute sequence.
The sequence can be paused by entering Interval="-1". Click [START] button to restart the sequence from the paused
step.
This sequence can be saved and opened by [Save] and [Open] button at the bottom right of the dialog. The extension of
file name is “aks”.
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[AKD4220-A]
Figure 3. [Sequence] window
6. [Sequence(File) Dialog]
Write and execute sequence created in [Sequence]. Click [Sequence(File)] button to open the dialog shown in Figure 4.
Figure 4. [Sequence(File)] window
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[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.
[Open]: Load saved sequence file (*.ak4).
6-3. Note
(1) [Sequence(File)] does not support the pause function of [Sequence] function.
(2) All files must be in same folder for [Save] and [Open] function.
(3) When the sequence is changed in [Sequence], the file should be loaded again in order to reflect the changes.
7. [Loop Dialog]: Dialog to evaluate ATT of VOL Control
Under the Tool tab in the main window, there is a button for [Loop Setting].
Address Box:
Input registers address in 2 hexadecimal figures.
Start Data Box:
Input start data in 2 hexadecimal figures.
End Data Box:
Input end data in 2 hexadecimal figures.
Interval Box:
Interval for data write..
Step Box:
Data changes by this step.
Mode Select Box:
By checking this check box, the data will countdown to start data after reaching end data.
[Example] Start Data = 00, End Data = 09
Data flow: 00 01 02 03 04 05 06 07 08 09 09 08 07 06 05 04 03 02 01 00
If unchecked, the loop ends after data reaches end data.
[Example] Start Data = 00, End Data = 09
Data flow: 00 01 02 03 04 05 06 07 08 09
To write input data to AK4220, click [OK] button. To cancel, click [Cancel] button.
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[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
S/(N+D) at 1Vrms Output
DR
S/N
Input signal
1kHz, 0dBV
1kHz, -60dBV
Off
Measurement filter
20kLPF
22kLPF, A-weighted
22kLPF, A-weighted
Results [dB]
93.2 / 93.1
96.2 / 96.2
96.2 / 96.1
Plots
Figure 1-1. FFT (1kHz, 0dBV input) at 1Vrms output
Figure 1-2. FFT (1kHz, -60dBV input)
Figure 1-3. FFT (Noise floor)
Figure 1-4. THD+N vs. Input Level (fin=1kHz)
Figure 1-5. THD+N vs. fin (Input Level=0dBFS)
Figure 1-6. Linearity (fin=1kHz)
Figure 1-7. Frequency Response (Input Level=0dBV)
Figure 1-8. Crosstalk (Input Level=0dBV)
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[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
S/N
Crosstalk
DG
DP
Measurement conditions
Input = 0% flat field
Filter = Uni-weighted,
BW= 15kHz to 5MHz
SAG = 1
Input = 100%red(ENCRC),
Measured at VOUT
Input = Modulated Lamp
SAG = 1
Input = Modulated Lamp
SAG = 1
Results
72.4
Unit
dB
-74.0
dB
0.22
%
0.91
deg.
Plots
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)
Figure 2-3 Crosstalk (Input= 100% red (VIN1), measured at VOUT1)
Figure 2-4 Crosstalk (Input= 100% red (VIN2), measured at VOUT1)
Figure 2-5 DG, DP (Input= Modulated Lamp, SAG=1)
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[AKD4220-A]
Plots (Audio)
AKM
AK4220 FFT LIN1/RIN1-->LOUT1/ROUT1 input=0dBV
11/17/05 10:47:28
+0
-10
-20
-30
-40
-50
-60
-70
d
B
V
-80
-90
-100
-110
-120
-130
-140
-150
-160
20
50
100
200
500
1k
2k
5k
10k
20k
Hz
Figure1-1. FFT (fin=1kHz Input Level=0dBV)
AKM
AK4220 FFT LIN1/RIN1-->LOUT1/ROUT1 input=-60dBV
11/17/05 10:55:52
+0
-10
-20
-30
-40
-50
-60
-70
d
B
V
-80
-90
-100
-110
-120
-130
-140
-150
-160
20
50
100
200
500
1k
2k
5k
10k
20k
Hz
Figure-1-2. FFT (fin=1kHz Input Level=-60dBV)
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[AKD4220-A]
AKM
AK4220 FFT LIN1/RIN1-->LOUT1/ROUT1 Input=no signal
11/17/05 11:18:13
+0
-10
-20
-30
-40
-50
-60
-70
d
B
V
-80
-90
-100
-110
-120
-130
-140
-150
-160
20
50
100
200
500
1k
2k
5k
10k
20k
Hz
Figure1-3. FFT (Noise Floor)
AKM
AK4220 LIN1/RIN1-->LOUT1/ROUT1 THD vs.Input Level
fin=1kHz
11/17/05 11:05:06
-70
-72
-74
-76
-78
-80
-82
d
B
r
-84
-86
A
-88
-90
-92
-94
-96
-98
-100
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBV
Figure1-4. THD+N vs. Input level (fin=1kHz)
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[AKD4220-A]
AKM
AK4220 LIN1/RIN1-->LOUT1/ROUT1 THD vs.Input Frequency
Input=0dB
11/17/05 11:13:51
-70
-72
-74
-76
-78
-80
-82
d
B
r
-84
-86
A
-88
-90
-92
-94
-96
-98
-100
20
50
100
200
500
1k
2k
5k
10k
20k
Hz
Figure1-5. THD+N vs. Input Frequency (Input level=0dBV)
AKM
AK4220 LIN1/RIN1-->LOUT1/ROUT1 Linearity fin=1kHz
11/17/05 11:22:34
+0
-10
-20
-30
-40
-50
d
B
r
A
-60
-70
-80
-90
-100
-110
-120
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBV
Figure1-6.Linearity (fin=1kHz)
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[AKD4220-A]
AKM
AK4220 LIN+1/RIN+1-->LINEOUT Frequency Response Input=0dBV
05/18/06 13:15:12
+1
+0.9
+0.8
+0.7
+0.6
+0.5
+0.4
+0.3
+0.2
d
B
r
A
+0.1
+0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1
2k
4k
6k
8k
10k
12k
14k
16k
18k
20k
Hz
last.at2
Figure1-7. Frequency Response (Input level=0dBV)
Figure1-8. Crosstalk (Input level=0dBV)
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[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)
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Figure 2-4 Crosstalk (Input= 100% red (VIN1), measured at VOUT1)
Figure 2-4 Crosstalk (Input= 100% red (VIN2), measured at VOUT1)
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Figure 2-5 DG, DP (Input= Modulated Lamp, SAG=1)
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[AKD4220-A]
Revision History
Date
(YY/MM/DD)
06/06/12
Manual
Revision
KM083400
Board
Revision
0
Reason
First Edition
12/04/12
KM083401
0
Ver.1.1
Contents
Control software updated.
IMPORTANT NOTICE
z 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.
z Descriptions of external circuits, application circuits, software and other related information contained in this
document are provided only to illustrate the operation and application examples of the semiconductor products. You
are fully responsible for the incorporation of these external circuits, application circuits, software and other related
information in the design of your equipments. AKM assumes no responsibility for any losses incurred by you or third
parties arising from the use of these information herein. AKM assumes no liability for infringement of any patent,
intellectual property, or other rights in the application or use of such information contained herein.
z Any export of these products, or devices or systems containing them, may require an export license or other official
approval under the law and regulations of the country of export pertaining to customs and tariffs, currency exchange,
or strategic materials.
z AKM products are neither intended nor authorized for use as critical componentsNote1) in any safety, life support, or
other hazard related device or systemNote2), and AKM assumes no responsibility for such use, except for the use
approved with the express written consent by Representative Director of AKM. As used here:
Note1) A critical component is one whose failure to function or perform may reasonably be expected to result,
whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and
which must therefore meet very high standards of performance and reliability.
Note2) A hazard related device or system is one designed or intended for life support or maintenance of safety
or for applications in medicine, aerospace, nuclear energy, or other fields, in which its failure to function or
perform may reasonably be expected to result in loss of life or in significant injury or damage to person or
property.
z It is the responsibility of the buyer or distributor of AKM products, who distributes, disposes of, or otherwise places
the product with a third party, to notify such third party in advance of the above content and conditions, and the buyer
or distributor agrees to assume any and all responsibility and liability for and hold AKM harmless from any and all
claims arising from the use of said product in the absence of such notification.
<KM083401>
2012/04
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