Nuvoton Nu-Link Manuale utente

Nuvoton Nu-Link Debug Adapter User Manual

Oct 28, 2014 - Revision V1.01

Nuvoton Nu-Link

Debug Adapter User Manual

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

Nuvoton Nu-Link Debug Adapter User Manual

Oct 28, 2014 - 2 - Revision V1.01

Table of Contents

1INTRODUCTION.............................................................................................................................. 3

2HARDWARE SPECIFICATIONS..................................................................................................... 4

2.1 Nu-Link-Pro ........................................................................................................................... 4

2.2 Nu-Link .................................................................................................................................. 5

2.3 Nu-Link-Me............................................................................................................................ 5

2.4 Nu-Link-Me (On-board Version)............................................................................................ 6

2.5 Nu-Link Adapter Hardware Specifications ............................................................................ 6

3MAIN FUNCTIONS .......................................................................................................................... 8

3.1 Debugging ............................................................................................................................. 9

3.1.1 Debug Mode.....................................................................................................................9

3.1.2 Breakpoints ......................................................................................................................9

3.1.3 Direct Register Control Interface ......................................................................................9

3.1.4 Semihost ........................................................................................................................11

3.2 Programming....................................................................................................................... 12

3.2.1 Online Programming.......................................................................................................12

3.2.2 Offline Programming.......................................................................................................12

3.2.3 Software Serial Number (SN).........................................................................................13

3.3 Wide Voltage Programming ................................................................................................ 14

3.4 Installing the Nu-Link Adapter Driver................................................................................... 14

4INSTALLATION AND SETUP........................................................................................................ 15

4.1 Connecting to the Nu-Link Adapter..................................................................................... 15

4.2 Software Setup.................................................................................................................... 16

4.2.1 ICP Tool .........................................................................................................................16

4.2.2 Keil RVMDK ...................................................................................................................19

4.2.3 IAR EWARM...................................................................................................................22

4.2.4 CooCox CoIDE...............................................................................................................25

5+APPENDIX................................................................................................................................... 27

5.1 Nu-Link Adapter Operating Current..................................................................................... 27

6REVISION HISTORY..................................................................................................................... 28

Nuvoton Nu-Link Debug Adapter User Manual

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1 Introduction

Nuvoton’s Nu-Link Debug Adapter is an USB debugger and programmer based on the SWD (Serial

Wire Debug) signal interface and can be applied to the development of Nuvoton NuMicro™ Family

chips. As shown in Table 2-1, there are three types of the Nu-Link Debug Adapter in accordance with

different specifications, including Nu-Link-Pro, Nu-Link, and Nu-Link-Me. The three types are called

“Nu-Link Adapter” in general if no specific conditions are mentioned.

The Nu-Link Adapter supports ICP (In-Circuit Programming) based on the SWD (Serial Wire Debug)

signal interface. The user can employ the NuMicro™ICP Programming Tool to update chip firmware

for mass production. The Nu-Link Adapter also supports the third-party development tools, such as

Keil RVMDK, IAR EWARM, and CooCox CoIDE.

For simplicity and clarity, parts of specific terms in this user manual are contracted or abbreviated, as

listed in the following table.

Short Name

Full Name

Nu-Link Adapter

Nuvoton Nu-Link Debug Adapter

NuMicro™ Family

Nuvoton NuMicro™ Family

ICP Tool

Nuvoton NuMicro™ ICP Programming Tool

Keil RVMDK

Keil ARM RealView Microcontroller Development Kit (MDK-ARM® )

IAR EWARM

IAR Embedded Workbench for ARM

CooCox CoIDE

CooCox Integrated Development Environment

SWD

Serial Wire Debug

ICP

In-Circuit Programming

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2 Hardware Specifications

The Nu-Link Adapter provides an USB connector and a SWD signal interface for connecting to the

target chip. The user can connect the Nu-Link Adapter to an USB port of a PC to debug and program

target chips through the development software tools. As shown in Table 2-1, there are three

specifications for the Nu-Link Adapter, in which debugging, Online/Offline Programming, and SWD I/O

voltage settings may be supported depending on the specifications (refer to the +Appendix for details).

Table 2-1 Nu-Link Adapter Function Comparison

Type

Function

Nu-Link-Pro

Nu-Link

Nu-Link-Me

Debugging

✔

Online Programming

✔

Offline Programming

✔

Multi SWD I/O Voltage

✔

SWD I/O Voltage Support

1.8V, 2.5V, 3.3V, 5.0V

5.0V

3.3V (default), 5.0V

(3.3V for On-board

version only)

2.1 Nu-Link-Pro

The Nu-Link-Pro is a full-functional debugger and programmer with debugging, online/offline

programming, and SWD I/O voltage setting functions. As shown in Figure 2-1, the Nu-Link-Pro

includes an USB port that can be connected to a computer host, a set of Status LEDs, an offline

programming button, a SWD port that can be connected to a target chip for debugging and

programming (the voltage level of the SWD port can be adjusted through software as 1.8V, 2.5V,

3.3V, or 5.0V), a set of SWD I/O voltage LEDs and SWD Power Output LEDs.

SWD

USB

Offline Programming Button SWD Power Output LED

SWD I/O Voltage LED

(1.8V / 2.5V / 3.3V / 5.0V) Status LED

(ICE / ICP / Red / Green)

Figure 2-1 Nu-Link-Pro Configuration

Nuvoton Nu-Link Debug Adapter User Manual

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2.2 Nu-Link

The Nu-Link is a basic debugger and programmer with debugging and online/offline programming

functions. As shown in Figure 2-2, the Nu-Link includes an USB port that can be connected to a

computer host, a set of Status LEDs, an offline programming button, and a SWD port that can be

connected to a target chip for debugging and programming (the default voltage of the SWD port as

5.0V).

SWD

USB

Offline Programming Button

Green

Red

ICP

ICE

Status LED

Figure 2-2 Nu-Link Configuration

2.3 Nu-Link-Me

The Nu-Link-Me is a simple debugger and programmer with debugging and online programming

functions, which is only shipped with the NuTiny-SDK kits and can be used stand-alone for developing

the customized NuMicro™ Family system.As shown in Figure 2-3, the Nu-Link-Me includes an USB

port that can be connected to a computer host, a set of Status LEDs, a Power Switch to switch the

voltage of Nu-Link-Me between 3.3V and 5.0V (the default as 3.3V), a SWD port that can be

connected to a target chip for debugging and programming (whose voltage is adjustable with the Nu-

Link-Me). A Cortex Debug port is provided in parts of the version only for connecting to Keil’s

MCBNUC1XX board. The pins of the Cortex Debug port conform to those of the SWD port, except the

pin order.

SWD

USB

Cortex Debug

Status LED

(ICE / ICP / Red / Green)

Power Switch

(5.0V / 3.3V)

Figure 2-3 Nu-Link-Me Configuration

Nuvoton Nu-Link Debug Adapter User Manual

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2.4 Nu-Link-Me (On-board Version)

The main functions of the Nu-Link-Me on-board version, including debugging and online programming,

are the same as those of the Nu-Link-Me. The Nu-Link-Me on-board version is provided with all

NuMicro™ Family series. The user does not need to prepare s debugger when using a learning board.

The Nu-Link-Me on-board version includes an USB port that can be connected to a computer host, a

set of Status LEDs, and a SWD port connected to the chip on the learning board (default) for

debugging and programming (external connection is not supported). The SWD port voltage is always

3.3V.

The learning boards that support the Nu-Link-Me on-board version are listed below:

Nu-LB-NUC140

Nu-LB-M051

Nu-LB-Mini51

2.5 Nu-Link Adapter Hardware Specifications

The Nu-Link Adapter hardware comparison is shown in Table 2-2.

Table 2-2 Nu-Link Adapter Hardware Comparison

Device

Description

Nu-Link-Pro

Nu-Link

Nu-Link-Me

on-board ver.

USB

Connected to an USB port of a PC to use

the Nu-Link Adapter or download offline

programming firmware

✔

SWD

Connected to the target chip for

debugging and programming

✔

Status LED

Display the operation status of the Nu-

Link Adapter

✔

Offline Programming Button

Click this button to proceed with offline

programming

✔

SWD Power Output LED

Display the power output status of SWD

VCC pins

✔

SWD I/O Voltage LED

Display the SWD VCC and I/O voltage

✔

Power Switch

Power switch between the power output

of the Nu-Link-Me power (e.g. between

the SWD VCC and I/O pins)

✔*1

Cortex Debug

Able to connect to Keil’s MCBNUC1XX

board for debugging and programming

✔*1

*1Only supported in parts of the version.

Nuvoton Nu-Link Debug Adapter User Manual

Oct 28, 2014 - 7 - Revision V1.01

Table 2-3 SWD I/O Voltage LEDs and SWD Power Output LEDs Status List

Power Status

Target System Power

SWD Power Output

LED

SWD I/O Voltage LED

1.8V

2.5V

3.3V

5.0V

SWD port I/O and VCC voltage as 1.8V

SWD port I/O and VCC voltage as 2.5V

SWD port I/O and VCC voltage as 3.3V

SWD port I/O and VCC voltage as 5.0V

SWD port I/O voltage as 1.8V

✔(1.8V)

SWD port I/O voltage as 2.5V

✔(2.5V)

SWD port I/O voltage as 3.3V

✔(3.3V)

SWD port I/O voltage as 5.0V

✔(5.0V)

Table 2-4 Status LEDs Difference List

Nu-Link Adapter Operation Status

Status LED

ICE

ICP

Red

Green

Boot

Flash×3

One Nu-Link Adapter selected to connect

Flash×4

ICE Online (Not connected with a target chip)

Any

ICE Online (Connected with a target chip)

Any

ICE Online (Failed to connect with a target chip)

Any

Flash

During Offline Programming

Flash

Slowly

Offline Programming Completed

Offline Programming Completed (Auto mode)

Offline Programming Failed

Flash

Nuvoton Nu-Link Debug Adapter User Manual

Oct 28, 2014 - 8 - Revision V1.01

3 Main Functions

The Nu-Link Adapter provides complete debugging and programming functions for NuMicro™ Family

and supports a number of third-party development tools. The detailed function support is listed in

Table 3-1.

Table 3-1Nu-Link Adapter Functions

Software

Function

ICP Tool

Keil

RVMDK

IAR

EWARM

CooCox

CoIDE

Debugging

✔

Breakpoints

✔

Direct Register Control Interface

✔

✔*1

Semihost

✔

Online Programming

✔

Offline Programming*2

✔

Software Serial Number

✔

Wide Voltage Programming*3

✔

Multi Nu-Link Adapter Support

✔

Nu-Link Adapter Driver Installation

✔

*1 Core registers view is supported; peripherals view is not supported.

*2Supported for Nu-Link and Nu-Link-Pro.

*3Supported for Nu-Link-Pro.

Nuvoton Nu-Link Debug Adapter User Manual

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3.1 Debugging

This section briefly describes the debugging function supported by the Nu-Link Adapter. For more

details, please refer to the related user manuals.

3.1.1 Debug Mode

The Nu-Link Adapter supports debugging for the NuMicro™ Family chips based on the SWD signal

interface. The third-party tools that support using the Nu-Link Adapter for chip debugging include Keil

RVMDK, IAR EWARM, and CooCox CoIDE. Some more functions supported in Debug mode are

described as follows.

3.1.2 Breakpoints

In Debug mode, the user can add breakpoints in the code for debugging. During the real-time

simulation of the Nu-Link Adapter, the chip simulation will be stopped at a specific breakpoint. Figure

3-1 shows the breakpoint settings in Keil RVMDK Debug mode. The red labels on lines 052 and 059

indicate the breakpoints inserted; the yellow arrow refers to the code to be executed next and shows

the register value of Program Counter (PC) (i.e. “R15(PC)=0x00000D04” in the Registers pane in

Figure 3-1).

Figure 3-1 Setting Breakpoints in Keil RVMDK Debug Mode

3.1.3 Direct Register Control Interface

The Direct Register Control Interface can be used to display the register content in a target chip and

manipulate the registers. Take Keil RVMDK Debug mode for example, invoke the Debug command

and select a register from the “function register list” (e.g. ADC, CAN, CLK, etc.) to open the Direct

Nuvoton Nu-Link Debug Adapter User Manual

Oct 28, 2014 - 10 - Revision V1.01

Figure 3-2 Direct Register Interface Control Related Options in Keil RVMDK Debug Mode

The Direct Register Control Interface for CLK is shown in the left part of Figure 3-3, where the left

column shows the register name, and the right column shows the register value. The Direct Register

Control Interface for PWRCON is shown in the right part of the Figure 3-3, where the left column

shows the function name, and the right column shows the function value.

Detailed Operation:

Double-clicking a “register value” will open the register control details, as shown in the right part of

Figure 3-3.

The “register value” or “control value” can be modified directly. The Nu-Link Adapter will then modify

the content of the target chip.

Figure 3-3 Direct Register Control Interface in Keil RVMDK Debug Mode

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