Renesas RA4 Series Engineering Manual

Renesas VUI Reference Solution VOICE-RA4E1 Engineering Manual
VOICE-RA4E1 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: 1 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
RA4E1 USB Full Speed port as a USB device.
• Form Factor: 7.5 x 6 cm
5. MCU Feature Support
The RA4E1 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: 100 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 512KB code flash memory
• 8-KB data flash memory (100,000 program/erase cycles minimum)
• Up to 128KB 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 × 4
• Serial Peripheral Interface (SPI) × 1
• I2C bus interface (IIC) × 1
• Quad Serial Peripheral Interface (QSPI)
• Analog
• 7 channel 12-bit A/D Converter (ADC12) with sample-and-hold circuits

Renesas RA4 Series Specifications

General

Brand	Renesas
Model	RA4 Series
Category	Motherboard
Language	English