Renesas VUI Reference Solution
VOICE-RA6E1
Engineering Manual
VOICE-RA6E1 Engineering Manual Rev.1.0
Page 4 of 14
June 2022
4. Kit Peripheral Features
Following is a list of the specific features that have been implemented:
•
QSPI: One QSPI flash memory device, Dialog AT25SF641B-MHB-T, 64M-bit (8MB).
•
PMOD: 1 Digilent PMOD connectors, supporting UART, SPI and I2C configurations.
•
Microphones: 2 I2S MEMS digital microphones and 2 MEMS analog microphones, distance between
each pair of microphones is 50mm which is suitable for beamforming applications.
•
Audio out: One stereo audio headphone jack supporting mono output on both channels.
•
LEDs: Five LEDs, D2 (Red), D3 (Green) and D4 (Blue) configurable by user, D5 (Blue) as a 3.3V power
indicator, D8(Green) as a JLOB (J-LINK on board) indicator.
•
Buttons: One RESET button (S2), and one USER button (S1).
•
Debug: J-Link On-Board debug interface, supporting JTAG or SWD debug port.
•
USB: Micro USB-B (J6) for power input and J-Link On-Board function, USB-C (J1) for power input and
RA6E1 USB Full Speed port as a USB device.
•
Form Factor: 7.5 x 6 cm
5. MCU Feature Support
The RA6E1 MCU supports a full array of peripheral functions. The published features of the MCU are listed
below. Features highlighted in
BOLD
text are directly supported by the kit hardware for voice applications.
•
Arm Cortex-M33 Core with Floating Point Unit (FPU)
•
Armv8-M architecture with DSP instruction set
•
Maximum operating frequency: 200 MHz
•
Support for 4-GB address space
•
On-chip debugging system: JTAG,
SWD
•
Boundary scan and Arm Memory Protection Unit (Arm MPU)
•
Memory
•
Up to 1MB code flash memory
•
8-KB data flash memory (125,000 program/erase cycles minimum)
•
Up to 256KB SRAM
•
1KB Standby SRAM
•
Flash Cache (FCACHE)
•
Memory Protection Units (MPU)
•
Memory Mirror Function (MMF)
•
128-bit unique ID
•
Connectivity
•
USB 2.0 Full-Speed (USBFS) module
•
On-chip transceiver with voltage regulator
•
Serial Communications Interface (SCI) with FIFO × 6
•
Serial Peripheral Interface (SPI) × 2
•
I2C bus interface (IIC) × 2
•
Quad Serial Peripheral Interface (QSPI)
•
Analog
•
7 channel 12-bit A/D Converter (ADC12) with sample-and-hold circuits
