Renesas RA4 Series - Notice

VOICE-RA4E1 Engineering Manual
VOICE-RA4E1 Engineering Manual Rev.1.0 Page
1
of 14
June 2022
Renesas VUI Reference Solution
VOICE-RA4E1 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 QSPI NOR flash ...................................................................................................................................... 9
8.2 PMOD ...................................................................................................................................................... 9
8.3 Microphones .......................................................................................................................................... 10
8.4 Audio out ............................................................................................................................................... 10
8.5 LEDs ...................................................................................................................................................... 10
8.6 Buttons .................................................................................................................................................. 11
8.7 Debug .................................................................................................................................................... 11
8.8 Power .................................................................................................................................................... 13
8.9 USB ....................................................................................................................................................... 13
9. Certifications .......................................................................................................................... 14
Revision History ............................................................................................................................ 14