ambiq micro Apollo4 Plus EVB Quick Start Manual
Ultra-low power apollo soc family
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Summary of Contents for ambiq micro Apollo4 Plus EVB
- Page 1 QUICK START GUIDE Apollo4 Plus EVB (EVB Revision 1.0) Ultra-low Power Apollo SoC Family Doc. ID: QS-A4P-1p0 Document Revision 1.0, May 2022...
- Page 2 BODY, OR OTHER APPLICATIONS INTENDED TO SUPPORT OR SUSTAIN LIFE, OR FOR ANY OTHER APPLICA- TION IN WHICH THE FAILURE OF THE AMBIQ MICRO PRODUCT COULD CREATE A SITUATION WHERE PER- SONAL INJURY OR DEATH MAY OCCUR. SHOULD BUYER PURCHASE OR USE AMBIQ MICRO PRODUCTS...
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Page 3: Table Of Contents
Introduction ......................... 6 Document Revision History..................6 Reference Documents and Software ................6 Quick Start ........................6 Overview of the Apollo4 Plus EVB................7 Debug Interface ......................11 Software Development Tools..................13 Power Supply Options and Measuring Current............14 Non-Power Solder Bridges ..................18 Ordering Information .................... - Page 4 Apollo4 Plus EVB - Major Top Side Components............7 Apollo4 Plus EVB - Major Bottom Side Components..........8 Apollo4 Plus EVB - Top Side Parts Location .............. 8 Apollo4 Plus EVB - Bottom Side Parts Location ............9 Apollo4 Plus EVB Using On-board J-Link Debugger ..........11 Apollo4 Plus EVB’s DEBUG IN Header (J13)............
- Page 5 Apollo4 Plus EVB Quick Start Guide List of Tables Document Revision History..................6 Peripherals Supporting Solder Bridge Connections..........18 EVB Ordering Information..................20 SoC Ordering Information ..................20 Page 5 2022 Ambiq Micro, Inc. QS-A4P-1p0 All rights reserved.
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Page 6: Introduction
Document Revision History Rev # Date Description May 2022 Initial release for Apollo4 Plus EVB, board version 1 Table 1: Document Revision History Reference Documents and Software The following items may be useful in understanding and using the EVB. ▪ EVB Schematic ▪... -
Page 7: Overview Of The Apollo4 Plus Evb
Apollo4 Plus EVB Quick Start Guide Overview of the Apollo4 Plus EVB The Apollo4 Plus EVB, features Arduino-compatible headers and an integrated J-Link debugger: Figure 1. Apollo4 Plus EVB Figure 2. Apollo4 Plus EVB - Major Top Side Components Page 7 2022 Ambiq Micro, Inc. -
Page 8: Apollo4 Plus Evb - Major Bottom Side Components
Apollo4 Plus EVB Quick Start Guide Figure 3. Apollo4 Plus EVB - Major Bottom Side Components Figure 4. Apollo4 Plus EVB - Top Side Parts Location Page 8 2022 Ambiq Micro, Inc. QS-A4P-1p0 All rights reserved. -
Page 9: Apollo4 Plus Evb - Bottom Side Parts Location
Customer Info Space, referred to as INFO0. Initial provisioning of the part would include programming a valid INFO0 and programming the main firmware image in the flash. The Apollo4 Plus EVB is shipped with the INFO0 configuration pre-programmed with optimal settings for the EVB layout:... - Page 10 Apollo4 Plus EVB Quick Start Guide C. Timeout is 3 seconds. For your reference, the following settings are programmed into INFO0 on the SoC resident on the EVB: ▪ Simo Buck is NOT enabled. ▪ Secure Bootloader (SBL) interface is configured to UART using GPIO47 and GPIO60, which allows secure boot to be performed over the J-Link COM interface of the EVB.
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Page 11: Debug Interface
Apollo4 Plus EVB Quick Start Guide Debug Interface Figure 6 shows the Apollo4 Plus EVB set up for standard debug using the on-board J-Link debugger and on-board power supply. The on-board J-Link debugger is on the other side of the board and not shown in the figure. -
Page 12: Apollo4 Plus Evb's Debug In Header (J13)
Apollo4 Plus EVB Quick Start Guide Figure 7. Apollo4 Plus EVB’s DEBUG IN Header (J13) No jumper changes are required to use an external debug adapter. Simply connect the external debug adapter with a ribbon cable connector to the “DEBUG IN” header. -
Page 13: Software Development Tools
Apollo4 Plus EVB Quick Start Guide Software Development Tools The standard Segger J-Link debug interface is used on the Apollo4 Plus EVB. Please install the latest Segger J-Link software, and configure your preferred development IDE (Keil, IAR, or Eclipse) to use J-Link debug interface. -
Page 14: Power Supply Options And Measuring Current
Apollo4 Plus EVB Quick Start Guide Power Supply Options and Measuring Current The Apollo4 Plus EVB is intended to operate off of a 5V supply, which is used to generate downstream voltages. There are two power supply options for the EVB SoC: ▪... -
Page 15: Apollo4 Plus Evb Usb Power Sequencing Circuit
Apollo4 Plus EVB Quick Start Guide Figure 9. Apollo4 Plus EVB USB Power Sequencing Circuit Similarly, Figure 10 shows the power sequencing circuit producing the voltage supplied to the MIPI VDD18 supply through solder-bridge SB9. This solder bridge is also shorted by default. -
Page 16: Apollo4 Plus Evb Voltage Selection On Header J2
EVB. These can be used in conjunction with the above solder- bridges to measure current, monitor voltage, or provide externally generated power to each specific rail. Figure 11. Apollo4 Plus EVB Voltage Selection on Header J2 Figure 12. Apollo4 Plus EVB Voltage Selection on Header J3... - Page 17 Apollo4 Plus EVB Quick Start Guide Use of the EVB using the on-board SoC supply may be restored by disconnecting the external supply (if connected) and either shorting SB3 once again or jumping between pins 1 and 2 of J3. The J-Link I/O voltage also should be restored.
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Page 18: Non-Power Solder Bridges
Apollo4 Plus EVB Quick Start Guide Non-Power Solder Bridges Solder Bridges for Reducing Trace Length to Optimize Performance The following peripherals support solder-bridge connections, which allow for optimized performance by reducing overall trace length at the cost of losing connectivity to their respective GPIO headers. Note that these connections can be reset by applying solder across the solder-bridge. - Page 19 Apollo4 Plus EVB Quick Start Guide Figure 13. Audio Jack J18 and AUDADC Audio Source Selections Figure 14. Audio Header J17 Page 19 2022 Ambiq Micro, Inc. QS-A4P-1p0 All rights reserved.
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Page 20: 10. Ordering Information
Apollo4 Plus EVB Quick Start Guide 10. Ordering Information Table 3: EVB Ordering Information Orderable Temperature Device Name SoC Package Part Number Revision Range Apollo4 Plus EVB AMAP4PEVB Apollo4 Plus 146-pin BGA –20 to 60°C Table 4: SoC Ordering Information... - Page 21 2022 Ambiq Micro, Inc. All rights reserved. Ambiq Micro, Inc. 6500 River Place Boulevard, Building 7, Suite 200, Austin, TX 78730-1156 www.ambiq.com/ sales@ambiqmicro.com https://support.ambiqmicro.com +1 (512) 879-2850 QS-A4P-1p0 Version May 2022...
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