Nuvoton I94100 Series Manual de usuario

EVB-I94124ADI

August 30, 2017 Page 1of 19 Rev 1.0

EVB-I94124ADI USER MANUAL

Maker Nu-mbed NUC472 User Manual

ARM®Cortex®-M4

32-bit Microcontroller

EVB-I94124ADI

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

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Table of Contents

1Overview.............................................................................................5

Introduction to EVB-I91240ADI Board.............................................................. 51.1

I94100 Series MCU Features........................................................................ 51.2

EVB-I94124ADI Board Features .................................................................... 61.3

2EVB-I94124ADI Board Overview................................................................7

Front View............................................................................................... 72.1

Rear View............................................................................................... 8

2.2

Power Supply........................................................................................... 92.3

Pin Assignment for Extended Connectors......................................................... 92.4

System Configuration ................................................................................132.5

2.5.1 5V Power Source ............................................................................................. 13

2.5.2 3.3V Power Source........................................................................................... 13

2.5.3 USB Connectors .............................................................................................. 13

2.5.4 Extended Connectors ........................................................................................ 13

2.5.5 Push-Buttons .................................................................................................. 13

2.5.6 LED ............................................................................................................. 13

2.5.7 Power Connectors............................................................................................ 14

2.5.8 Clock Source .................................................................................................. 14

2.5.9 ICE Bridge Connector........................................................................................ 14

2.5.10 Others .......................................................................................................... 14

Components Placement .............................................................................152.6

3EVB-I94124ADI Schematics ................................................................... 16

I94124ADI..............................................................................................163.1

Nu-Link-Me ............................................................................................173.2

4REVISION HISTORY............................................................................ 18

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List of Figures

Figure 1-1 EVB-I94124ADI Board.................................................................................................... 5

Figure 2-1 Front View of EVB-I94124ADI Board ............................................................................. 7

Figure 2-2 Rear View of EVB-I94124ADI Board.............................................................................. 8

Figure 2-3 Power Supply Concept................................................................................................... 9

Figure 2-4 I94124ADI Extended Connectors................................................................................. 10

Figure 2-5 Front Placement ........................................................................................................... 15

Figure 2-6 Rear Placement............................................................................................................ 15

Figure 5-1 I94124ADI Circuit.......................................................................................................... 16

Figure 5-2 Nu-Link-Me Circuit........................................................................................................ 17

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List of Tables

Table 2-1 Extended Connector JP7 Interface with I94124ADI GPIO............................................ 11

Table 2-2 Extended Connector JP5 Interface with I94124ADI GPIO............................................ 11

Table 2-3 Extended Connector JP4 Interface with I94124ADI GPIO............................................ 12

Table 2-4 Extended Connector JP6 Interface with I94124ADI GPIO............................................ 12

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1 OVERVIEW

EVB-I94124ADI is the specific development tool for I94100 series. User can use EVB-I94124ADI to

develop and verify the application program easily.

EVB-I94124ADI includes two portions. One is I94124ADI evaluation board and the other is Debug

Adaptor (Nu-Link-Me). Thus, users do not need other additional ICE or debug equipment.

Introduction to EVB-I91240ADI Board1.1

EVB-I94124ADI uses the I94124ADI as the target microcontroller. The EVB-I94124ADI board consists

of I94124ADI Platform and Nu-Link-Me ICE Bridge. Figure 1-1 shows the EVB-I94124ADI board.

The left portion of this board is the I94124ADI Platform that includes the target chip I94124ADI MCU

which embedded ARM® Cortex®-M4 core with DSP extensions and a Floating Point Unit (FPU) and the

other related on-board application parts and connectors.

The right portion of this board is a Nu-Link-Me ICE Bridge based on the SWD (Serial Wire Debug)

interface connected with the target chip, allowing user to program the application code to the flash of

target chip through the USB port from PC Host.

Figure 1-1 EVB-I94124ADI Board

I94100 Series MCU Features1.2

I94124ADI in LQFP64 7x7 package

ARM®Cortex®-M4 core running up to 200 MHz with DSP extensions and FPU (Floating

Point Unit)

Built-in LDO for wide operating voltage ranged from 1.6 V to 3.6 V

512 Kbytes Flash

192 Kbytes SRAM

GPIO

Peripheral DMA (PDMA)

Timer

PWM

WDT and WWDT

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RTC

UART

I2C

SPI

I2S

USB 1.1 Full-Speed Device

CRC

ADC

DMIC

DPWM

VAD

EVB-I94124ADI Board Features1.3

On board Nu-Link-Me ICE Bridge (Mass storage as USB Disk drive) for drag and drop

programming

I94124 extended interface connectors

USB 1.1 Full-Speed Device

Two push-buttons: one is for reset and the other one is for user-defined

One LEDs: one is for power indication

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2 EVB-I94124ADI BOARD OVERVIEW

Front View2.1

Figure 2-1 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-Me ICE Bridge: ICE Controller NUC12SRE3DE (U2), USB connector (CN2) to

PC Host

I94124ADI extended interface connectors (JP4, JP5, JP6 and JP7)

USB: USB 1.1 Full-Speed Device connector (CN1)

Push-buttons (SW1, SW2)

LED (POWER1)

External power connectors (JP2 and SP3)

I94120ADI

Microcontroller

Reset Button

User Button

USB MicroB

Device USB MicroB

Debug / Power

3.3V

Voltage Regulator

Power

LED

Pin Header

Evaluation Board Debugger

NCU12SRE3AN

ICE Controller

32.768 kHz

XTAL 12.000 MHz

XTAL

Power

Header

Ground

Header

Figure 2-1 Front View of EVB-I94124ADI Board

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Rear View2.2

Figure 2-2 shows the rear side of EVB-I94124ADI board.

Figure 2-2 Rear View of EVB-I94124ADI Board

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Power Supply2.3

The EVB-I94124ADI supplied by an external 5 Volt DC power supply connected to Micro USB

connectors (CN1 and CN2) or 1.6 Volt to 3.6 Volt DC power supply connected to Pin Header (JP2).

On-board reverse current protection diodes will ensure safe operation in case power is provided

through both USB connectors at the same time. If the board is powered via a USB connector, it is not

recommended to apply an additional power supply to VCC pin header (JP2), because there is no

protection against reverse current into the external power supply. Figure 2-3 shows EVB-I94124ADI

power supply concept.

Micro

USB

Header

LDO

3V3

I94124ADI

USB_VBUS (5V) USB_VBUS (5V)

ICE_VBUS (5V)

3V3_ICE (3.3V)

VCC (3.3V) EVB-I94124ADI NU-LINK-ME

Micro

USB

NUC12SR

E3AN

CN2

CN1 U1 U2

JP2

PD3

PD2

PD1

Figure 2-3 Power Supply Concept

Pin Assignment for Extended Connectors

2.4

The EVB-I94124ADI provides the I94124ADI target chip on-board and extended connectors (JP4,

JP5, JP6 and JP7) for LQFP64-pin. The Figure 2-4 shows the I94124ADI extended connectors.

Please note that JP7.2, JP5.18, JP4.2 and JP6.18 can be used to power an external circuit.

EVB-I94124ADI

August 30, 2017 Page 10 of 19 Rev 1.0

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Figure 2-4 I94124ADI Extended Connectors

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