ambiq micro Apollo4 Blue EVB Bedienungsanleitung
QUICK START GUIDE
Apollo4 Blue EVB
(EVB Revision 3)
Ultra-low Power Apollo SoC Family
Doc. ID: QS-A4B-4p0
Document Revision 4.0, Aug 2021
Apollo4 Blue EVB Quick Start Guide
QS-A4B-4p0 Page 2 2021 Ambiq Micro, Inc.
All rights reserved.
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Apollo4 Blue EVB Quick Start Guide
QS-A4B-4p0 Page 3 2021 Ambiq Micro, Inc.
All rights reserved.
Table of Content
Introduction ................................................................................................................. 6
Document Revision History......................................................................................... 7
Reference Documents and Software.......................................................................... 8
Quick Start .................................................................................................................. 9
Overview of the Apollo4 Blue EVB............................................................................ 10
Debug Interface ........................................................................................................ 13
Software Development Tools.................................................................................... 16
Power Supply Options and Measuring Current......................................................... 17
Non-Power Solder Bridges ....................................................................................... 20
Ordering Information................................................................................................. 22
Apollo4 Blue EVB Quick Start Guide
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All rights reserved.
List of Figures
Apollo4 Blue EVB Revision 3.................................................................................... 10
Apollo4 Blue EVB - Parts Location ........................................................................... 10
Apollo4 Blue EVB - Top-side Parts Location ............................................................ 11
Apollo4 Blue EVB - Bottom-side Parts Location ....................................................... 11
Apollo4 Blue EVB Using On-board J-Link Debugger................................................ 13
Apollo4 Blue EVB’s DEBUG IN Header (J13)........................................................... 14
Apollo4 Blue EVB’s DEBUG OUT Header (J15)....................................................... 14
Apollo4 Blue EVB Power Supplies Solder Bridge Connection.................................. 17
Apollo4 Blue EVB USB Power Sequencing Circuit................................................... 18
Apollo4 Blue EVB VDD18/MIPI Power Sequencing Circuit ...................................... 18
Apollo4 Blue EVB Voltage Selection on Header J2.................................................. 19
Apollo4 Blue EVB Voltage Selection on Header J3.................................................. 19
Audio Jack J18 and AUDADC Audio Source Selections .......................................... 21
Audio Header J17 ..................................................................................................... 21
Apollo4 Blue EVB Quick Start Guide
QS-A4B-4p0 Page 5 2021 Ambiq Micro, Inc.
All rights reserved.
List of Tables
Document Revision History......................................................................................... 7
Peripherals Supporting Solder Bridge Connections.................................................. 20
EVB Ordering Information......................................................................................... 22
SoC Ordering Information......................................................................................... 22
Apollo4 Blue EVB Quick Start Guide
QS-A4B-4p0 Page 6 2021 Ambiq Micro, Inc.
All rights reserved.
1. Introduction
This document provides guidance in setting up the Apollo4 Blue Evaluation Board (EVB), revision 3, part
number AMA4BEVB, to get started executing code examples, measuring power consumption in various
configurations, and beginning software development.
This version of the EVB contains silicon version B2 of the Apollo4 Blue SoC which supports Bluetooth 5.1
Low Energy(1).
1. The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such
marks is under license. Other trademarks and trade names are those of their respective owners.
Apollo4 Blue EVB Quick Start Guide
QS-A4B-4p0 Page 7 2021 Ambiq Micro, Inc.
All rights reserved.
2. Document Revision History
Rev # Date Description
3.0 Jul 2021 Initial release for EVB revision 3
4.0 Aug 2021 Updates:
- Reference Documents and Software section added
- Quick Start section added
- Parts Location drawings added
- Ordering Information section added
Table 1: Document Revision History
Apollo4 Blue EVB Quick Start Guide
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All rights reserved.
3. Reference Documents and Software
The following items may be useful in understanding and using the EVB.
▪ EVB Schematic
▪ Apollo4 SoC Datasheet
▪ Apollo4 Programmer’s Guide
▪ Apollo4 Errata List
▪ AmbiqSuite SDK
Apollo4 Blue EVB Quick Start Guide
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All rights reserved.
4. Quick Start
The EVB Kit comes with the following items:
▪ Apollo4 Blue Evaluation Board (EVB), revision 3
▪ USB Type C cable
▪ Four adhesive-backed rubber feet
▪ Extra jumpers
Caution: The EVB has components loaded on the back of the board. Care should be taken to not damage
these components. The included rubber feet should be applied to the bottom of the board to prevent direct
contact between the components and a desk surface.
The EVB comes with jumpers pre-configured for default operation. Also, it has been pre-programmed with
the FreeRTOS Fit example program. To start EVB program execution, connect the USB-C cable from a
USB port on a PC to the J-Link USB connector (J6) on the EVB, and turn on the power switch (SW4). The
blue LED under the power switch should illuminate.
To observe program execution, do the following steps:
▪ Start a Bluetooth explorer application such as LightBlue Explorer on a mobile phone or other device that
can serve as a bluetooth host device.
▪ If diagnostic message are desired, start a SWO session by bringing up a Segger J-Link SWO Viewer
(see Software Development Tools section for link to Segger tools download site). For “device” select
“AMA4B2KK-KBR” and set SWO clock to 1000 KHz.
▪ Reset the board by pressing switch SW3.
▪ After reset, the Apollo4 will start advertising and bluetooth traffic will appear in the SWO viewer. One of
the messages in the SWO viewer will indicate that this device called “Fit” (EVB) is advertising.
▪ The device “Fit” will appear in the list of devices in the host application (App). By selecting it, the host will
connect to the “Fit” device on the EVB.
▪ The App and Fit will exchange several commands and responses (events) until the SWO message
reports that “Fit got evt 41).
The AmbiqSuite SDK provides many example programs that may be run on the EVB. To run these
examples, download the SDK via the link provided above and select any of the pre-built examples in the
SDK at /boards/apollo4b_sip_evb/examples.
Apollo4 Blue EVB Quick Start Guide
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All rights reserved.
5. Overview of the Apollo4 Blue EVB
The Apollo4 Blue EVB, version 3, features Arduino-compatible headers and an integrated J-Link
debugger:
Figure 1. Apollo4 Blue EVB Revision 3
Figure 2. Apollo4 Blue EVB - Parts Location
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