Renesas RA2 Series Engineering Manual
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VOICE-RA2L1 Engineering Manual
Renesas Advanced (RA) Family
RA2 Series
All information contained in these materials, including products and product specifications, represents
information on the product at the time of publication and is subject to change by Renesas Electronics
Corp. without notice. Please review the latest information published by Renesas Electronics Corp.
through various means, including the Renesas Electronics Corp. website (http://www.renesas.com).
www.renesas.com
Renesas VUI Reference Solution
Rev.1.0 September 2022
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Table of Contents
Related Manuals for Renesas RA2 Series
Summary of Contents for Renesas RA2 Series
- Page 1 All information contained in these materials, including products and product specifications, represents information on the product at the time of publication and is subject to change by Renesas Electronics Corp. without notice. Please review the latest information published by Renesas Electronics Corp.
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Page 2: Table Of Contents
VOICE-RA2L1 Engineering Manual Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual Contents Overview ..........................3 Kit Contents ..........................3 Kit Ordering Information ......................3 Kit Peripheral Features ......................4 MCU Feature Support ......................4 Kit Architecture ........................6 System Block Diagram ..........................6 Jumper Settings ............................ - Page 3 Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual Figures Figure 1. VOICE-RA2L1 Kit Contents ....................... 3 Figure 2. System Block Diagram ........................6 Figure 3. Copper Jumpers ..........................7 Figure 4. PMOD connector ..........................9 Figure 5. VOICE-RA2L1 Power Block Diagram ....................13 Tables Table 1.
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Page 4: Overview
Ecosystem Partners, and to facilitate the development of additional partner projects. The kit design to use the RA2L1 MCU with LQFP 48pin package as the core logic device, with OPAMP and power devices chosen from the Renesas product portfolio. -
Page 5: Kit Peripheral Features
Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual 4. Kit Peripheral Features Following is a list of the specific features that have been implemented: ⚫ PMOD: 1 Digilent PMOD connectors, supporting UART, SPI and I2C configurations. ⚫ Microphones: 1 I2S MEMS digital microphones and 2 MEMS analog microphones, distance between each pair of microphones is 50mm which is suitable for beamforming applications. - Page 6 Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual • SRAM parity error check • Flash area protection • ADC self-diagnosis function • Clock Frequency Accuracy Measurement Circuit (CAC) • Cyclic Redundancy Check (CRC) calculator • Data Operation Circuit (DOC) • Port Output Enable for GPT (POEG) •...
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Page 7: Kit Architecture
Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual 6. Kit Architecture 6.1 System Block Diagram Figure 2. System Block Diagram VOICE-RA2L1 Engineering Manual Rev.1.0 Page 6 of 14 June 2022... -
Page 8: Jumper Settings
Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual 6.2 Jumper Settings Two types of jumpers are provided on the VOICE-RA2L1 board. 1. Traditional pin header jumpers copper jumpers 2. Copper jumpers (trace-cut type and solder bridge type) 6.2.1 Traditional Pin Header Jumpers These jumpers are traditional small pitch jumpers that require an external shunt to open/close them. -
Page 9: Mcu Port Mapping
Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual Table 2. Default Copper Jumper Settings Location Default Open/Closed Function Closed SCK output to I2S digital microphone Closed SCK input to RA2L1 GPT_POEG1 Closed ADC0, Analog microphone left channel Closed ADC1, Analog microphone right channel... -
Page 10: Implementation Details
This board includes a pair of analog MEMS microphones (M2 & M3, ZillTek ZTS6053). These 2 analog microphone signals are amplified by Renesas READ2302GSP OPAMP, then fed to RA2L1 ADC channels 0 & 1. One digital I2S MEMS microphone (M1, ZillTek ZTS6672) is also provided, which is connected to RA2L1 SPI0 channels. -
Page 11: Audio Out
8.2 Audio out A stereo headphone jack is connected to the MCU DAC. The DAC signals are connected through an OPAMP for drive earphone, which is Renesas READ2302GSP, in ultra-small 8 pins TSSOP packages. Table 8. Headphone Jack Pin Assignments... -
Page 12: Debug
The J-Link On-Board (JLOB) debug interface supporting JTAG, SWD debug interface and also supports the VCOM (Virtual COM port) function. The debug MCU is a Renesas RA4M2, programmed with J-Link firmware licensed by Segger. This interface includes one USB micro-B connector (J6) for host debug through the J- Link MCU, one 10-pin and one 20-pin debug header (supporting JTAG and SWD). -
Page 13: Table 15. 10-Pin Jtag/Swd Connector (J8)
Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual Table 13. 10-pin JTAG/SWD Connector (J8) JTAG Pin Name SWD Pin Name RA4M2 Signal/Bus J8-1 Vtref Vtref +3V3 J8-2 SWDIO P108/SWDIO J8-3 J8-4 SWCLK P300/SWCLK J8-5 J8-6 P109 J8-7 N.C. J8-8 P110 J8-9... -
Page 14: Power
Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual 8.6 Power 5V may be supplied from an external USB host to the USB Debug connector (J6) labelled with J-Link OB on the board or from USB type-C connector(J1) labelled with USB-C. Figure 5. VOICE-RA2L1 Power Block Diagram 8.7 USB Type-C... -
Page 15: Certifications
Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual 9. Certifications To support international distribution, the following certification requirements are met, both by design and test. Americas: FCC Class B Europe: CE Class B Revision History Description Rev. Date Page Summary September 2022 Initial release VOICE-RA2L1 Engineering Manual Rev.1.0... - Page 16 Engineering Manual for Project VOICE-RA2L1 Publication Date: September, 18, 2022 Published by: Renesas Electronics Corporation...
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Page 17: Renesas Vui Reference Solution Voice-Ra2L1 Engineering Manual
Renesas VUI Reference Solution VOICE-RA2L1 Engineering Manual Engineering Manual VOICE-RA2L1...
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