AKM AK5374EN Evaluation Board Manual

AKM
Brand
AKM
Model
AK5374EN
Type
Evaluation Board Manual
[AKD5374-A]
[KM101603] 2016/06
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GENERAL DESCRIPTION
AKD5374-A is an evaluation board for AK5374, which is a stereo A/D Converterwith a USB 2.0 interface.
The AK5374 can be tested easily on the AKD5374-A, as the operation of the device is compatible with
USB standard audio class. The AKD5374-A has not only an external audio interface, but also an external
EEP-ROM that all descriptor contents are stored and customizable.
Ordering guide
AKD5374-A --- Evaluation board for AK5374
FUNCTION
Microphone Jack
3.3 volt Regulator (LM1117-3.3V)
8k bit EEPROM(AK6508CT)
USB B-type Connector
AK5374
R-ch MIC
D+
D-
Regulator
+5V+3.3V
USB1
EEPROM
AK6508CT
L-ch MIC
USB2
USB
Connector
USB
Connector
+3.3V
GND
Regulator
+5V
+3.3V
Micro
Controller
Figure 1. AKD5374-A Block Diagram
* Circuit diagram and PCB layout are attached at the end of this manual
Evaluation board Rev.2 for AK5374
AKD
537
4
-
A
[AKD5374-A]
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B
OARD OUTLIN
E CHART
Outline Chart
Figure 2. AKD5374-A top view
Comment
(1) VDD3.3V, GND
These are the power supply connectors. Connect power supply with these pins.
As for the detail comments, refer to the setup of power supply on the next page.
(2) MCKI (BNC-JACK)
This is external clock source for the MCKI/XTI pin of the AK5374.
(3) USB1 (USB Connector)
This is USB B-type connector for evaluation of the AK5374. Connect this to PC.
(4) USB2 (USB Connector)
This is USB B-type connector for EEP-ROM write operation.
(5) J2, J3 (Mini Jacks)
These are analog signal inputs.
(6) PORT5, PORT6 (10 pin header)
PORT5 (TEST PORT): It is not used except test mode
(7) SW1 (Switch)
SW1: Reset of AK5374. Keep “H” during normal operation.
VDD3.3
V
USB1
USB2
MCKI
J2
J3
SW1
PORT5
PORT6
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Evaluation Board Manual
Operation sequence
1) Set up the jumper pins as the followings.
JP21
AVDD
JP23
DVDD
JP19 JP27
VDD REGMODE
+3.3V REG EEP 5373
2) Connect USB1 port of the AKD5374-A to PC with an USB cable. Windows recognizes the AK5374
automatically, and it is not necessary to install any driver. Device manage shows “AK5374” as an USB Audio
Device in “Sound, video and game controllers” if Windows recognizes the device successfully.
Figure 3. Device Manager “Sound, video and game controllers”
3) Double click “USB Audio Device”, the window of “USB Audio Device Properties” shows the properties
including device type as “Sound, video and game controllers”, Manufacturer as “Generic USB Audio”, and
Location as “Location 0 (AK5374)”.
[AKD5374-A]
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Figure 4. USB Audio Device Properties
Evaluation mode
Internal ADC Streaming Mode
Evaluation of using internal ADC of AK5374
USB1 (USB Connector) is used. Nothing should be connected to USB2 (USB Connector) and PORT6 (DSP).
MPWR
MICLP
MICRP
VREF
XTOXTI
USB
SIE
USB
Tx/Rx
CKM = “H”
Audio
Stream
Control
Control
Decode
RSTN SUSN
CLKDRV
VREF VCOM
MICLN
MICRN
Gain: 0/+6/+12/+18/+24/+30/+36dB
AVDD DVDD VSS2VSS1 VSS3
PMADL
PMADR
CLKO
PMMP
EEP-ROM
SPI I/F
INT MIC
EXT MIC
PLL
(System/Audio)
DVOL
MUTE
LMUTEN
RMUTEN
24bit
ADC
PMADL or PMADR
CSN SK
EPAO EPAI
XTE = “H”
DP
DN
DVDD
18Ω
18Ω
1.5kΩ
24MHz
Figure 5. Internal ADC Streaming Mode
[AKD5374-A]
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Evaluation
1) Runs “sound recorder” program in ‘accessory -> Entertainment’
Figure 6. Sound Recorder
2) Select “Edit” -> “Property”, and then select “USB Audio Device (1)” as “Preferred Device”.
Figure 7. Audio Properties
[AKD5374-A]
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3) When the icon or Volume in the Sound Recording block is clicked, the volume slider window appears. The top points
value means the maximum value of the AK5374 under Windows. The Mute all check box is displayed.
Figure 8. Volume Control
4) Select “File” -> “Property”, and then click “convert now.” button in the Property window. Then select “44100Hz
16bit Mono” or “44100Hz 16bit Stereo” as attribute on the Sound Recorder
Figure 9. Sound Selecion
5) Check the microphone being plugged and volume control adjustment then you can start recording by pressing “Rec”
button.
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Other jumper pins set up
1. JP24, JP25 (GND) : These jumper pins should be OPEN on normal operation. <Default>
2. JP111 (MICRN) : Connection of microphone power.
OPEN: Microphone power is not connected.
SHORT : Microphone power is connected. <Default>
3. JP112 (MICRP) : Connection of microphone power.
OPEN: Microphone power is not connected.
SHORT : Microphone power is connected. <Default>
4. JP113 (MICLN) : Connection of microphone power.
OPEN: Microphone power is not connected.
SHORT : Microphone power is connected. <Default>
5. JP114 (MICLP) : Connection of microphone power.
OPEN: Microphone power is not connected.
SHORT : Microphone power is connected. <Default>
6. JP101 (CLKS) : Selection of external master clock input and crystal oscillator input .
XTAL : Select crystal oscillator input . <Default>
MCKI : Select external master clock input.
7. JP110 (XTE) : Selection of clock source for the MCKI/XTI pin.
OPEN : Select X’tal as the clock source. (XTE pin = “H”) <Default>
SHORT : Select external clock as the clock source (XTE pin = “L”)
8. JP16 (EXT) : Selection of external clock input impedance.
OPEN : External clock input impedance is High impedance.
SHORT : External clock input impedance is 51Ω.<Default>
9. JP9 (CKM) : Selection of reference X’tal frequency.
OPEN : 24MHz crystal resonator can be used as the master clock (CKM pin = “H”) <Default>
SHORT : 16MHz crystal resonator can be used as the master clock (CKM pin = “L”)
10. JP131 (DPPV) : DP pin must be connected to DVDD with 1.5kΩ resistor.
SHORT : Used to only short.<Default>
The function of the toggle SW
[SW2] (LMUTEN): Left channel mute switch. Keep pressing the button if mute is needed.
[SW3] (RMUTEN): Right channel mute switch. Keep pressing the button if mute is needed.
Indication for LED
[D1] (SUSN): Monitor SUSN pin of the AK5374. LED turns off when the AK5374 is on suspend state.
[AKD5374-A]
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Software Manual
AK5374MAPPER.exe
1) General description
AK5374MAPPER.exe is a tool of creating a register setting file that is written to EEPROM on the AKD5374-A.
The program can not only display register settings written from a register setting file, but also change the register
settings directly.
2) Explanation of main window
When runs the program, the window as shown blow opens.
Figure 10. AK5374MAPPER General Setting
A: The top menu can be switched by “TAB” key.
B: Click this button to open a register setting file(.txt), and display will be changed after reading the file.
C: Click this button to save the current register settings as a setting file which has a fixed name
“AK5374_register.txt”.
D: Click this button to output a writing EEPROM file as a text file (.txt) which has a fixed name
“AK5374_eeprom.txt”.
E: Click this button to output a writing EEPROM file as a binary file (.bin) which has a fixed name
“AK5374_eeprom.bin”.
F: “Set All” button must be clicked after changing codes or values in edit boxes.
A
B
C
D
E
F
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3) The setting of Alternate
Set up the register about Alternate here.
Figure 11. AK5374MAPPER Alternate Setting
A: Choose available frequencies here. If any valid frequency is chosen, valid check mark will be made.
B: Choose initial frequency. Only available frequencies can be chosen.
About the AK5374’s descriptor setting, refer to datasheet of the AK5374.
A
B
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4) The setting of register
Figure 12. AK5374MAPPER Register Setting
A: Volume and hold time can be set up by clicking the “Set” button or pressing “ENTER” key after inputting
numbers in edit boxes.
About the AK5374’s register setting, refer to datasheet of the AK5374.
A
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5) Register setting file <Default>
Figure 13. Register Setting File (Text)
[AKD5374-A]
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6) EEPROM Image File (Text output) <Default>
Figure 14. EEPROM Image File (Text)
[AKD5374-A]
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EEPROM Write program for the AK5374: AK5374EEPROM.exe
1) Set up the jumper pins as the followings, and turn the SW1 to “L”.
JP15
PC-EPAI
P17
PC-CSN
JP18
JP27
PC-SK REGMODE
EEP 5373
PC-EPAO
JP20
2) Connect USB2 Port of the AKD5374-A to PC with an USB cable. Windows recognizes the mirco controller
device automatically. Device manage shows “PICkit2 Microcontroller Programmer” in “Human Interface Devices”
if Windows recognizes the device successfully.
Figure 15. Device Manger “Human Interface Devices”
[AKD5374-A]
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3) Run the program “AK5374EEPROM.exe”.
Figure 16. AK5374EEPROM.exe
[Open]: Click this button to open a test file(.txt) or a binary file(.bin, .dat) and write it.
[Write]: Click this button to verify the file Written to EEPROM.
“Write complete” is displayed if the write succeeds, while “Verify failed” if not.
It takes only one second to write a file to EEPROM.
Figure 17. AK5374EEPROM Write
4) Click “OK”, and the [EXIT] button of AK5374EEPROM.exe.
[AKD5374-A]
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IMPORTANT NOTICE
0. Asahi Kasei Microdevices Corporation (“AKM”) reserves the right to make changes to the information
contained in this document without notice. When you consider any use or application of AKM product
stipulated in this document (“Product”), please make inquiries the sales office of AKM or authorized
distributors as to current status of the Products.
1. All information included in this document are provided only to illustrate the operation and application
examples of AKM Products. AKM neither makes warranties or representations with respect to the accuracy
or completeness of the information contained in this document nor grants any license to any intellectual
property rights or any other rights of AKM or any third party with respect to the information in this
document. You are fully responsible for use of such information contained in this document in your product
design or applications. AKM ASSUMES NO LIABILITY FOR ANY LOSSES INCURRED BY YOU OR
THIRD PARTIES ARISING FROM THE USE OF SUCH INFORMATION IN YOUR PRODUCT
DESIGN OR APPLICATIONS.
2. The Product is neither intended nor warranted for use in equipment or systems that require extraordinarily
high levels of quality and/or reliability and/or a malfunction or failure of which may cause loss of human
life, bodily injury, serious property damage or serious public impact, including but not limited to, equipment
used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for
automobiles, trains, ships and other transportation, traffic signaling equipment, equipment used to control
combustions or explosions, safety devices, elevators and escalators, devices related to electric power, and
equipment used in finance-related fields. Do not use Product for the above use unless specifically agreed by
AKM in writing.
3. Though AKM works continually to improve the Product’s quality and reliability, you are responsible for
complying with safety standards and for providing adequate designs and safeguards for your hardware,
software and systems which minimize risk and avoid situations in which a malfunction or failure of the
Product could cause loss of human life, bodily injury or damage to property, including data loss or
corruption.
4. Do not use or otherwise make available the Product or related technology or any information contained in
this document for any military purposes, including without limitation, for the design, development, use,
stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile technology products
(mass destruction weapons). When exporting the Products or related technology or any information
contained in this document, you should comply with the applicable export control laws and regulations and
follow the procedures required by such laws and regulations. The Products and related technology may not
be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under
any applicable domestic or foreign laws or regulations.
5. Please contact AKM sales representative for details as to environmental matters such as the RoHS
compatibility of the Product. Please use the Product in compliance with all applicable laws and regulations
that regulate the inclusion or use of controlled substances, including without limitation, the EU RoHS
Directive. AKM assumes no liability for damages or losses occurring as a result of noncompliance with
applicable laws and regulations.
6. Resale of the Product with provisions different from the statement and/or technical features set forth in this
document shall immediately void any warranty granted by AKM for the Product and shall not create or
extend in any manner whatsoever, any liability of AKM.
7. This document may not be reproduced or duplicated, in any form, in whole or in part, without prior written
consent of AKM.
Revision History
Date
(yy/mm/dd)
Manual
Revision
Board
Revision
Reason Page Contents
2010/05/27 KM101600
1
First edition
2010/08/06 KM101601 Description Addition
8
Explanation for “Set All” button was added.
2012/10/15 KM101602 2
Change 1
Title: Evaluation board
Rev.1 → Rev.2
Change
1
AK65006CT → AK65008CT
2016/06/21 KM101603 2
Change
2
SW3→SW1
Change 7
JP11→JP111, JP12→JP112, JP13→JP113,
JP14→JP114, JP1→JP101, JP10→JP110
Description Addition
7
Explanation for “JP131(DPPV)” was added.
Description Addition
13
1) Explanation for “ SW1” was added.
Change
15
IMPORTANT NOTICE Changed.
1
1
2
2
3
3
4
4
5
5
A
A
B B
C C
D D
DVDD
DVDD
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of
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MICRP
MICLN
MICLP
MPWR
ATIO
AVDD
VSS3
MICRN
VCOM
VREF
LMUTEN RMUTEN SUSN
DVDD
TESTM2
CSN
SK
EPAO
EPAI
TESTM1
TESTM0
VSS2
XTIMCKI
DNDP
TESTM3
CLKDRV
MCKI
AKD5374-ASUB-36QFN
RSTN
VSS1
AGND DGND
TP102TP102
R104
1k
R104
1k
+
C104
4.7u
+
C104
4.7u
TP122TP122
X101
24MHz
X101
24MHz
1 2
CN102
40pin_2
CN102
40pin_2
11
12
13
14
15
16
17
18
19
20
R115
100k
R115
100k
C111
1u
C111
1u
TP123TP123
JP112
MICRP
JP112
MICRP
TP133TP133
TP117TP117
TP121TP121
C112
1u
C112
1u
TP126TP126
R150
56k
R150
56k
R123
1.5k
R123
1.5k
R105
1k
R105
1k
TP140TP140
R121
18
R121
18
TP118TP118
TP106TP106
CN104
40pin_4
CN104
40pin_4
31
32
33
34
35
36
37
38
39
40
+
C102
4.7u
+
C102
4.7u
U101
AK5374 36QFN
U101
AK5374 36QFN
ATIO
28
VREF
29
VCOM
30
AVDD
32
VSS3
33
MICRN
34
MICRP
35
NC
36
MICLN
1
MICLP
2
LMUTEN
3
RMUTEN
4
NC
5
TESTM0
6
SUSN
7
RSTN
8
NC
9
TESTM1
10
EPAI
12
EPAO
13
SK
14
CSN
15
TESTM2
16
DVDD
17
VSS2
18
DN
19
DP
20
NC
21
TESTM3
22
CLKDRV
23
XTE
24
XTI
25
XTO
26
CKM
27
MPWR
31
VSS1
11
R136
51
R136
51
CN103
40pin_3
CN103
40pin_3
21
22
23
24
25
26
27
28
29
30
C116
3300p
C116
3300p
R135
51
R135
51
R151
0
R151
0
TP141TP141
R134
51
R134
51
TP120TP120
TP107TP107
C114
1u
C114
1u
CN106
1pin
CN106
1pin
1
TP103TP103
TP131TP131
TP139TP139
C107
0.1u
C107
0.1u
TP119TP119
TP108TP108
C101
0.1u
C101
0.1u
C110
27p
C110
27p
JP131
DPPV
JP131
DPPV
R133
51
R133
51
TP124TP124
C117
3300p
C117
3300p
TP104TP104
C115
3300p
C115
3300p
TP138TP138
+
C108
4.7u
+
C108
4.7u
JP113
MICLN
JP113
MICLN
CN105
1pin
CN105
1pin
1
CN101 40pin_1CN101 40pin_1
1
2
3
4
5
6
7
8
9
10
TP132TP132
JP111
MICRN
JP111
MICRN
TP125TP125
TP105TP105
TP115TP115
C109
27p
C109
27p
R103
1k
R103
1k
TP127TP127
TP116TP116
R122
18
R122
18
JP114
MICLP
JP114
MICLP
R102
1k
R102
1k
TP109TP109
JP101
CLKS
JP101
CLKS
SL101SL101
JP110
XTE
JP110
XTE
C105
0.1u
C105
0.1u
C113
1u
C113
1u
+
C106
4.7u
+
C106
4.7u
C103
0.1u
C103
0.1u
TP101TP101
- 16 -
1
1
2
2
3
3
4
4
5
5
A
A
B B
C C
D D
AKD5374-A-Main
AK5374
XTALMCKI
ATIO
AVDD
VSS3
MICRN
MICRP
MICLN
MICLP
LMUTEN RMUTEN SDTI SDTO BICK LRCK MCLK SUSN
RSTN
VSS2
DVDD
TESTM2
CSN
SK
EPAO
EPAI
TESTM1
TESTM0
DNDPMGAIN2MGAIN1MGAIN0TESTM3CLKDRV
MCKI
MPWR VCOM
VREF
VSS1
AGND DGND
NO M'T
(OPEN)
(open) (open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)(open)(open)(open)(open)(open)(open)
(open)
(open)
(open)
(open)(open)(open)(open)(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
(open)
AVDD
MICRN
MICRP
LMUTEN RMUTEN SDTI
SDTO BICK LRCK MCLK
RSTN
EPAI
EPAO
SK
CSN
DVDD
MCKI DP DN
DVDD
MGAIN0 MGAIN1 MGAIN2
SUSN
MICLP
MICLN
DVDD
TESTM2
TESTM1
TESTM0
TESTM3
ATIO
CKM
Title
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R36
(open)
R36
(open)
R1
(open)
R1
(open)
R17
(open)
R17
(open)
C10
(open)
C10
(open)
TP28TP28
TP19TP19
TP24TP24
R35
(open)
R35
(open)
C9
(open)
C9
(open)
TP21TP21
TP32TP32
TP1TP1
C7
(open)
C7
(open)
JP14
MICLP
JP14
MICLP
R34
(open)
R34
(open)
U1
AK5373
U1
AK5373
MICLN
1
MICLP
2
LMUTEN
3
RMUTEN
4
SDTI
5
SDTO
6
BICK
7
LRCK
8
TESTM0
9
MCLK
10
SUSN
11
RSTN
12
TESTM1
13
NC
14
VSS1
15
NC
16
EPAI
17
EPAO
18
SK
19
CSN
20
TESTM2
21
DVDD
22
NC
23
VSS2
24
NC
36
CKM
35
XTO
34
XTI/MCKI
33
XTE
32
CLKDRV
31
TESTM3
30
MGAIN0
29
MGAIN1
28
MGAIN2
27
DP
26
DN
25
NC
48
NC
47
MICRP
46
MICRN
45
VSS3
44
NC
43
AVDD
42
MPWR
41
VCOM
40
VREF
39
ATIO
38
NC
37
TP33TP33
TP13TP13
CN1 40pin_1CN1 40pin_1
1
2
3
4
5
6
7
8
9
10
TP29TP29
CN2
40pin_2
CN2
40pin_2
11
12
13
14
15
16
17
18
19
20
TP18TP18
TP6TP6
R4
(open)
R4
(open)
CN3
40pin_3
CN3
40pin_3
21
22
23
24
25
26
27
28
29
30
R15
(open)
R15
(open)
TP7TP7
R23
(open)
R23
(open)
TP5TP5
+
C8
(open)
+
C8
(open)
JP12
MICRP
JP12
MICRP
R18
(open)
R18
(open)
R51
(open)
R51
(open)
TP14TP14
C12
(open)
C12
(open)
TP4TP4
C1
(open)
C1
(open)
TP39TP39
JP10
XTE
JP10
XTE
TP17TP17
C16
(open)
C16
(open)
SL1SL1
R5
(open)
R5
(open)
JP1
CLKS
JP1
CLKS
TP30TP30
+
C2
(open)
+
C2
(open)
X1
(open)
X1
(open)
1 2
JP13
MICLN
JP13
MICLN
R20
(open)
R20
(open)
+
C4
(open)
+
C4
(open)
R33
(open)
R33
(open)
C15 (open)C15 (open)
TP25TP25
R3
(open)
R3
(open)
TP3TP3
C5
(open)
C5
(open)
TP38TP38
TP40TP40
C14
(open)
C14
(open)
TP23TP23
+
C6
(open)
+
C6
(open)
TP15TP15
TP16TP16
C3
(open)
C3
(open)
TP8TP8
TP31TP31
C11
(open)
C11
(open)
JP11
MICRN
JP11
MICRN
R21
(open)
R21
(open)
TP22TP22
R16
(open)
R16
(open)
R2
(open)
R2
(open)
TP2TP2
R50
(open)
R50
(open)
TP10TP10
TP41TP41
R22
(open)
R22
(open)
TP9TP9
C13
(open)
C13
(open)
TP26TP26
CN4
40pin_4
CN4
40pin_4
31
32
33
34
35
36
37
38
39
40
TP11TP11
TP27TP27
TP20TP20
C17
(open)
C17
(open)
R19
(open)
R19
(open)
TP12TP12
- 17 -
1
1
2
2
3
3
4
4
5
5
A
A
B B
C C
D D
SILK-SCREEN
1: VDD
2: MCLR
3: PGD
4: PGC
5: GND
AKD5374-A-Main
others
+3.3V REG
L
H
LRCK
MCLK
DVDD
BICK
GND
GND
SDTO
GND
GND
EEP
5373
MICRN
MICRP
MICLN
MICLP
SDTI
(OPEN)
(open)
XTO
D+
D-
GND
USB-VDD
XTI
VUSB
USB-RST
PC-SK
PC-EPAO
PC-CSN
AVDD
REG
DVDD
MICLP
MICLN
MICRP
MICRN
DN
DP
DVDD
RSTN
DVDD
PC-EPAI
CSN
REG
SK
EPAO
EPAI
PC-CSN
PC-SK
PC-EPAO
MCLK
BICK
DVDD
LRCK
SDTO
DVDD
LMUTEN RMUTEN
REG
SUSN
DVDD
MGAIN0
MGAIN1
MGAIN2MCKI
TESTM3
TESTM2
TESTM1
TESTM0
ATIO
REG
DVDD
CKM
PC-EPAI
SDTI
Title
Size Document Number Rev
Date: Sheet of
<Doc> 2
<Title>
A3
2 2Monday, October 15, 2012
Title
Size Document Number Rev
Date: Sheet of
<Doc> 2
<Title>
A3
2 2Monday, October 15, 2012
Title
Size Document Number Rev
Date: Sheet of
<Doc> 2
<Title>
A3
2 2Monday, October 15, 2012
JP18
PC-SK
JP18
PC-SK
R41
100k
R41
100k
JP9
CKM
JP9
CKM
JP23
DVDD
JP23
DVDD
JP16
EXT
JP16
EXT
Q1
DTC123
Q1
DTC123
JP15
PC-EPAI
JP15
PC-EPAI
2.2k2.2k
R25
4.7k
R25
4.7k
D1
LED
D1
LED
12
JP17
PC-CSN
JP17
PC-CSN
R40
100k
R40
100k
R38
0
R38
0
R37
51
R37
51
+
C25
10u
+
C25
10u
JP24
MICRG
JP24
MICRG
USB1
USB(B type)
USB1
USB(B type)
VUSB
1
D-
2
D+
3
GND
4
5
5
C24
0.1uF
C24
0.1uF
C21 22pFC21 22pF
R49
100k
R49
100k
R44
100k
R44
100k
TP37TP37
C22 22pFC22 22pF
C20 470nFC20 470nF
R28 51R28 51
2.2k2.2k
R42
100k
R42
100k
JP25
MICLG
JP25
MICLG
PORT3
HEADER 5
PORT3
HEADER 5
1
2
3
4
5
C19
0.1uF
C19
0.1uF
SW2
LMUTEN
SW2
LMUTEN
12
RP1
(open)
RP1
(open)
3
2
1
USB2
USB(B type)
USB2
USB(B type)
VUSB
1
D-
2
D+
3
GND
4
JP19 VDDJP19 VDD
R48 (open)R48 (open)
J3
L-ch MIC
J3
L-ch MIC
6
4
3
J1
MCKI
J1
MCKI
1
2
C30
(open)
C30
(open)
R14
100k
R14
100k
SW3
RMUTEN
SW3
RMUTEN
12
C28
0.1uF
C28
0.1uF
R99
(open)
R99
(open)
R39
100k
R39
100k
R43
470
R43
470
PORT6
DSP
PORT6
DSP
1
3
5
7
9 10
8
6
4
2
SW1
RSTN
SW1
RSTN
2
1
3
C31
(open)
C31
(open)
TP34TP34
R29 51R29 51
PORT4
MGAIN
PORT4
MGAIN
1
3
5 6
4
2
R24
100k
R24
100k
PORT5
TESTPORT
PORT5
TESTPORT
1
3
5
7
910
8
6
4
2
R47
100k
R47
100k
PIC18F4550
TQFP 44-PIN
U3
PIC18F4550
PIC18F4550
TQFP 44-PIN
U3
PIC18F4550
RC7/RX/DT/SDO
1
RD4/SPP4
2
RD5/SPP5/P1B
3
RD6/SPP6/P1C
4
RD7/SPP7/P1D
5
VSS0
6
VDD0
7
RB0/AN12/INT0/FLT0/SDI/SDA
8
RB1/AN10/INT1/SCK/SCL
9
RB2/AN8/INT2/VMO
10
RB3/AN9/CPP2/VPO
11
NC/ICCK/ICPGC
12
NC/ICDT/ICPGD
13
RB4/AN11/KBI0/CSSPP
14
RB5/KBI1/PGM
15
RB6/KBI2/PGC
16
RB7/KBI3/PGD
17
MCLR_N/Vpp/RE3
18
RA0/AN0
19
RA1/AN1
20
RA2/AN2/Vref-/CVref
21
RA3/AN3/Vref+
22
RA4/T0CKI/C1OUT/RCV
23
RA5/AN4/SS_N/HLVDIN/C2OUT
24
RE0/AN5/CK1SPP
25
RE1/AN6/CK2SPP
26
RE2/AN7/OESPP
27
VDD1
28
VSS1
29
OSC1/CLKI
30
OSC2/CLKO/RA6
31
RC0/T1OSO/T13CKI
32
NC/ICRST_N/ICVpp
33
NC/ICPORTS
34
RC1/T1OSI/CCP2/UOE_N
35
RC2/CCP1/P1A
36
VUSB
37
RD0/SPP0
38
RD1/SPP1
39
RD2/SPP2
40
RD3/SPP3
41
RC4/D-/VM
42
RC5/D+/VP
43
RC6/TX/CK
44
REG1
LM1117-3.3V
REG1
LM1117-3.3V
OUT
2
GND
1
IN
3
R26 51R26 51
TP35TP35
C34
0.1uF
C34
0.1uF
+
C29
10u
+
C29
10u
GND1
TJ-563 BLK
GND1
TJ-563 BLK
1
REG2
LM1117-3.3V
REG2
LM1117-3.3V
IN
3
GND
1
OUT
2
+
C36
10u
+
C36
10u
AK6508CT
U4
AK6508CT
U4
CS
1
SO
2
WP
3
GND
4
VCC
8
HOLD
7
SCK
6
SI
5
+
C27
10u
+
C27
10u
JP21
AVDD
JP21
AVDD C32
0.1u
C32
0.1u
+
C35
10u
+
C35
10u
+3.3V1
TJ-563 RED
+3.3V1
TJ-563 RED
1
C26
0.1uF
C26
0.1uF
JP27
REGMODE
JP27
REGMODE
TP36TP36
RP2
100K
RP2
100K
3
2
1
C33
0.1uF
C33
0.1uF
X2
20MHz
X2
20MHz
C23
0.1uF
C23
0.1uF
J2
R-ch MIC
J2
R-ch MIC
6
4
3
R27 51R27 51
JP20
PC-EPAO
JP20
PC-EPAO
- 18 -
- 19 -
- 20 -
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AKM AK5374EN Evaluation Board Manual

AKM
Brand
AKM
Model
AK5374EN
Type
Evaluation Board Manual
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