Nuvoton I94100 Series User Manual
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Nuvoton I94100 Series User Manual

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I94124_NAU88C22_MB
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ARM
Cortex
-M4
32-bit Microcontroller
I94124_NAU88C22 User Manual
I94100 Series
The information described in this document is the exclusive intellectual property of
Nuvoton Technology Corporation and shall not be reproduced without permission from Nuvoton.
Nuvoton is providing this document only for reference purposes of NuMicro microcontroller based system
design. Nuvoton assumes no responsibility for errors or omissions.
All data and specifications are subject to change without notice.
For additional information or questions, please contact: Nuvoton Technology Corporation.
www.nuvoton.com
July 30, 2020
Page 1 of 22
Rev 1.0

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Summary of Contents for Nuvoton I94100 Series

  • Page 1 The information described in this document is the exclusive intellectual property of Nuvoton Technology Corporation and shall not be reproduced without permission from Nuvoton. Nuvoton is providing this document only for reference purposes of NuMicro microcontroller based system design. Nuvoton assumes no responsibility for errors or omissions.

  • Page 2: Table Of Contents

    I94124_NAU88C22_MB Table of Contents Overview ..................5 I94124_NAU88C22_MB Features ..............6 I94124_MB_NAU85L40_NR Features ............... 6 I94124_MB_DMIC Features ................6 I94124_NAU88C22_MB Board Overview ..........7 Front View ....................7 Rear View ....................8 Power System .................... 9 Pin Assignment for IO Extension Connectors ............. 10 System Configuration .................
  • Page 3 I94124_NAU88C22_MB List of Figures Figure 1.1-1 I94124_NAU88C22_MB with AMIC/DMIC extension boards ........5 Figure 2.1-1 Front View of I94124_NAU88C22_MB ................ 7 Figure 2.2-1 Rear View of I94124_NAU88C22_MB ................ 8 Figure 2.3-1 Power Supply Block Diagram ..................9 Figure 2.4-1 I94124ADI IO Extension Connectors................. 10 Figure 2.6-1 I94124_NAU88C22_MB Front Placement ..............
  • Page 4 I94124_NAU88C22_MB List of Tables Table 2-1 I94124ADI IO Extension Interface Connector J8 ............11 Table 2-2 I94124ADI IO Extension Interface Connector J5 ............11 Table 2-3 I94124ADI IO Extension Interface Connector J4 ............12 Table 2-4 I94124ADI IO Extension Interface Connector J7 ............12 July 30, 2020 Page 4 of 22 Rev 1.0...

  • Page 5: Overview

    I94124_NAU88C22_MB OVERVIEW I94124_NAU88C22_MB board is the specific development tool for I94100 series with NAU88C22 to support MIC, AUXIN and headphone on one board. User can use it to develop and verify the audio application program easily. To support more microphone, it can connect with I94124_MB_NAU85L40_NR (NAU85L40+AMIC) and I94124_MB_DMIC (DMIC Daughter board).

  • Page 6: I94124_Nau88C22_Mb Features

    I94124_NAU88C22_MB I94124_NAU88C22_MB Features  Nu-Link ICE interface connector.  Audio board extension interface connectors.  USB 1.1 Full-Speed Device.  Two push-buttons: one is for reset and the other one is for user-defined.  Two LEDs: one is for power indication, the other one is for user-defined. ...

  • Page 7: I94124_Nau88C22_Mb Board Overview

    I94124_NAU88C22_MB I94124_NAU88C22_MB BOARD OVERVIEW Front View Figure 2.1-1 shows the main components and connectors from the front side of EVB-I94124ADI board. The following lists components and connectors from the front view:  Target Chip: I94124ADI (U1)  Nu-Link interface (J1) ...

  • Page 8: Rear View

    I94124_NAU88C22_MB Rear View Figure 2.2-1 shows the rear side of I94124_NAU88C22_MB board. SPI Flash Figure 2.2-1 Rear View of I94124_NAU88C22_MB July 30, 2020 Page 8 of 22 Rev 1.0...

  • Page 9: Power System

    I94124_NAU88C22_MB Power System The I94124_NAU88C22_MB supplied by an external 5V USB power connected to Micro USB connectors (CN1 or J1) or 4.5 Volt to 5.0 Volt DC power supply connected to VCC Pin Header (J2). On- board reversed 2 current protection diodes will ensure power can be provided through both USB connectors at the same time safely.

  • Page 10: Pin Assignment For Io Extension Connectors

    I94124_NAU88C22_MB Pin Assignment for IO Extension Connectors Most of IO pins of the I94124ADI are pin out to the connectors J4, J5, J7and J8 for extension. The Figure 2.4-1 shows the I94124ADI extended IO pins on connectors. Figure 2.4-1 I94124ADI IO Extension Connectors July 30, 2020 Page 10 of 22 Rev 1.0...

  • Page 11: Table 2-1 I94124Adi Io Extension Interface Connector J8

    I94124_NAU88C22_MB Table 2-1 I94124ADI IO Extension Interface Connector J8 I94100ADI I94100ADI Header Header Pin No. Pin Name Pin No Pin Name J8.1 J8.2 VDD33 J8.3 PB.0 J8.4 PB.1 J8.5 PB.2 J8.6 PB.3 J8.7 PB.4 J8.8 nRESET J8.9 J8.10 J8.11 PB.7 J8.12 PB.8 J8.13...

  • Page 12: Table 2-3 I94124Adi Io Extension Interface Connector J4

    I94124_NAU88C22_MB Table 2-3 I94124ADI IO Extension Interface Connector J4 I94124ADI I94124ADI Header Header Pin No. Pin Name Pin No Pin Name J4.18 J4.17 VDD33 J4.16 PB.15 J4.15 J4.14 J4.13 PD.0 J4.12 PD.1 J4.11 PD.2 J4.10 PD.3 J4.9 PD.4 J4.8 PD.5 J4.7 PD.6 J4.6...

  • Page 13: System Configuration

    I94124_NAU88C22_MB System Configuration 2.5.1 Power Source  J1: NuLink interface.  CN1: USB interface with VBUS power.  J2: power jack for DC IN(VBAT), requires 4.5V~5.0V. Power Component Comment Source Power pin on J1 for the power from Nu-Link (this board ICE_5V requires 5V) USB_5V...

  • Page 14: Clock Source

    I94124_NAU88C22_MB 2.5.8 Clock Source  X1: 12.288 MHz crystal.  X2: 32.768 kHz crystal. 2.5.9 Nu-Link Interface  J1: Nu-Link interface for I94124. 2.5.10 SPI Flash interface  J3: SPI Flash Interface. 2.5.11 Others  J9: UART Interface of I94124ADI ...

  • Page 15: Components Placement

    I94124_NAU88C22_MB Components Placement and show the front and rear placement of I94124_NAU88C22_MB board. Figure 2.6-1 I94124_NAU88C22_MB Front Placement Figure 2.6-2 I94124_NAU88C22_MB Rear Placement July 30, 2020 Page 15 of 22 Rev 1.0...

  • Page 16: Figure 2.6-3 I94124_Mb_Nau85L40_Nr Front Placement

    I94124_NAU88C22_MB and show the front and rear placement of I94124_MB_NAU85L40_NR board. Figure 2.6-3 I94124_MB_NAU85L40_NR Front Placement Figure 2.6-4 I94124_MB_NAU85L40_NR Rear Placement Figure 2.6-5 and Figure 2.6-6 show the front and rear placement of I94124_MB_DMIC board. Figure 2.6-5 I94124_MB_DMIC Front Placement Figure 2.6-6 I94124_MB_DMIC Rear Placement July 30, 2020 Page 16 of 22...

  • Page 17: I94124Adi Evb Schematics

    I94124_NAU88C22_MB I94124ADI EVB SCHEMATICS This chapter contains the schematics for I94124_NAU88C22_MB (I94124ADI+NAU88C22YG Main board) and I94124_MB_NAU85L40_NR (NAU85L40+MEMS AMIC Daughter card) & I94124_MB_DMIC (I94124ADI MEMS DMIC Daughter card) I94124_NAU88C22_MB Figure 3.1-1 shows the I94124ADI, Pin Headers, Buttons and LED. ICE_5V ICE_DAT ICE_CLK nRESET VDD_5V...

  • Page 18: Figure 3.1-2 I94124_Nau88C22_Mb Circuit (2/2) Nau88C22 Part

    I94124_NAU88C22_MB Figure 3.1-2 shows the NAU88C22 related circuit VDDA 100uF/6.3V 4.7uF 0.1uF 100uF/6.3V VREF 4.7uF PHONEJACK STEREO PJ30130 VDDSPK MICBIAS Headphone 4.7uF 2.2K 2.2K 0.1uF 10uF MIC1 4.7uF 4.7uF LMICP VSSSPK MICROPHONE LMICN RSPKOUT MIC2 LLIN/GPIO2 AUXOUT2 4.7uF SPEAKER RMICP AUXOUT1 RMICN RAUXIN...

  • Page 19: I94124_Mb_Nau85L40_Nr

    I94124_NAU88C22_MB I94124_MB_NAU85L40_NR VSSA MIC1 4.7uF 4.7uF 0.1uF VSSA MSM381A3526H9HP-E VSSA MIC1P VSSA VDD33 MIC1P VSSA MIC1N MICVDD PAD_62R42 VDD_1V8 VDDB MIC2P MIC2 VDDC MIC2N VDDA 0.1uF MIC3P MICVDD MSM381A3526H9HP-E VSSA MIC3N VDDA MIC2P VSSA 0.1uF 4.7uF MIC4P 0.1uF 4.7uF MIC4N MIC3 VSSA VSSA...

  • Page 20: I94124_Mb_Dmic

    I94124_NAU88C22_MB I94124_MB_DMIC VDD33 DMIC_DATA0 DATA0 DATA0 DATA CLK0 10uF 0.1uF DMIC_CLK0 CLK0 MSM261D4030H1CPM VDD33 DMIC_DATA1 DATA1 DATA0 DATA CLK0 10uF 0.1uF DMIC_CLK1 CLK1 MSM261D4030H1CPM VDD33 VDD33 VDD33 DATA1 DATA CLK1 VDD33 DMIC_DATA1 DMIC_CLK1 10uF 0.1uF DMIC_DATA0 DMIC_CLK0 CON18A CON18A MSM261D4030H1CPM DMIC Daughter Board Interface VDD33 DATA1...

  • Page 21: Revision History

    I94124_NAU88C22_MB REVISION HISTORY Date Revision Description 2020.07.30 Initially issued. July 30, 2020 Page 21 of 22 Rev 1.0...
  • Page 22 I94124_NAU88C22_MB Important Notice Nuvoton Products are neither intended nor warranted for usage in systems or equipment, any malfunction or failure of which may cause loss of human life, bodily injury or severe property damage. Such applications are deemed, “Insecure Usage”.

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