of 14
June 2022
Renesas VUI Reference Solution
VOICE-RA2L1 Engineering Manual
Contents
1. Overview ................................................................................................................................. 3
2. Kit Contents ............................................................................................................................. 3
3. Kit Ordering Information ........................................................................................................... 3
4. Kit Peripheral Features ............................................................................................................ 4
5. MCU Feature Support .............................................................................................................. 4
6. Kit Architecture ........................................................................................................................ 6
6.1 System Block Diagram ............................................................................................................................ 6
6.2 Jumper Settings ...................................................................................................................................... 7
6.2.1 Traditional Pin Header Jumpers ............................................................................................................ 7
6.2.2 Copper Jumpers .................................................................................................................................... 7
7. MCU Port Mapping .................................................................................................................. 8
8. Implementation Details ............................................................................................................ 9
8.1 Microphones ............................................................................................................................................ 9
8.2 Audio out ............................................................................................................................................... 10
8.3 LEDs ...................................................................................................................................................... 10
8.4 Buttons .................................................................................................................................................. 10
8.5 Debug .................................................................................................................................................... 11
8.6 Power .................................................................................................................................................... 13
8.7 USB Type-C .......................................................................................................................................... 13
9. Certifications .......................................................................................................................... 14
Revision History ............................................................................................................................ 14