Renesas Electronics RX66N Microcontrollers
Renesas Electronics RX66N Microcontrollers (MCUs) offer stable performance and single-chip MCU solutions with large memory capacities for industrial equipment. These MCUs feature 32bit RXv3 CPU core, 1MB SRAM, up to 4MB flash memory, and achieves superior performance with 698 CoreMark capability at 120MHz operating frequency-range. The RX66N MCUs offer industry-leading robust security with unique cryptographic-key protection and hardware cryptography accelerators supporting ECC and RSA. The low-power design and architecture of the device support a single voltage supply ranging from 2.7V to 3.6V. The various communication interfaces include Ethernet MAC, SD host interface, quad SPI, and CAN. Typical applications include general-purpose inverters, industrial robots, Programmable Logic-Controllers (PLCs), industrial motors, motion controllers, power conditioners, HVAC controllers, security controllers, smart meters, and other general-purpose applications.
Features
- 32-bit RXv3 CPU core:
- 120MHz maximum operating frequency
- Capable of 698 CoreMark in operation at 120MHz
- Double-precision 64-bit IEEE-754 floating-point
- Collective register bank save function is available
- Supports the Memory Protection Unit (MPU)
- JTAG and FINE (one-line) debugging interfaces
- On-chip code flash memory:
- Supports versions with up to 4MB of ROM
- Read cycle of 8.3ns in operation at 120MHz with no access wait cycles
- User code is programmable by onboard or off-board programming
- Programming/erasing as Background Operations (BGOs)
- A dual-bank structure allows exchanging the start-up bank
- On-chip data flash memory:
- 32KB reprogrammable up to 100,000 times
- Programming/erasing as BGOs
- On-chip SRAM:
- 1MB of SRAM (no wait states)
- 32KB of RAM with ECC (single error correction/double error detection)
- 8KB of standby RAM (backup on deep software standby)
- Low-power design and architecture:
- Operation from a single 2.7V to 3.6V supply
- RTC is capable of operation from a dedicated power supply
- Four low-power modes
- Data transfer:
- DMACAa: 8-channels
- DTCb: 1-channel
- EXDMAC: 2-channels
- DMAC for the Ethernet controller: 1-channel
- Reset and supply management:
- Power-on Reset (POR)
- Low Voltage Detection (LVD) with voltage settings
- Clock functions:
- External crystal resonator or internal PLL for operation at 8MHz to 24MHz
- PLL for specific purposes
- Internal 240kHz LOCO and HOCO selectable from 16MHz, 18MHz, and 20MHz
- 120kHz clock for the IWDTa
- Real-time clock:
- Adjustment functions (30 seconds, leap year, and error)
- Real-time clock counting and binary counting modes are selectable
- Time capture function (for capturing times in response to event-signal input)
- Independent watchdog timer:
- 120kHz clock operation
- Useful functions for IEC60730 compliance:
- Oscillation-stoppage detection, frequency measurement, CRCA, IWDTa, and self-diagnostic function for the A/D converter
- Register write protection function can protect values in important registers against overwriting
- Various communications interfaces:
- Ethernet MAC (1-channel)
- PHY layer (1-channel) for host/function or OTG controller (1-channel) with full-speed USB 2.0 transfer
- CAN (compliant with ISO11898-1), incorporating 32 mailboxes (up to 3-channels)
- SCIj and SCIh with multiple functionalities (up to 8-channels) Choose from among asynchronous mode, clock-synchronous mode, smart-card interface mode, simplified SPI, simplified I2C, and extended serial mode
- SCIi with 16B transmission and reception FIFOs (up to 5-channels)
- I2C bus interface for transfer at up to 1Mbps (3-channels)
- Four-wire QSPI (1-channel) in addition to RSPIc (3-channels)
- Parallel Data Capture (PDC) unit for the CMOS camera interface (except for 100-pin products)
- Graphic-LCD controller (GLCDC)
- 2D drawing engine (DRW2D)
- SD host interface (1-channel) with a 1- or 4-bit SD bus for use with SD memory or SDIO
- MMCIF with 1-, 4-, or 8-bit transfer bus width
- External address space:
- Buses for full-speed data transfer (maximum operating frequency of 80MHz)
- 8 CS areas
- 8-, 16-, or 32-bit bus space is selectable per area
- Independent SDRAM area (128MB)
- Up to 29 extended-function timers:
- 32-bit GPTW (4-channels)
- 16-bit TPUa (6-channels) and MTU3a (9-channels)
- 8-bit TMRa (4-channels), 16-bit CMT (4-channels), and 32-bit CMTW (2-channels)
- Encryption functions (optional):
- AES (key lengths: 128bits, 192bits, and 256bits)
- Trusted Secure IP (TSIP)
- Up to 182 pins for general I/O ports:
- 5V tolerance, open drain, input pull-up, and switchable driving ability
- Operating temperature range:
- D-version: -40°C to 85°C
- G-version: -40°C to 105°C
- 12-bit A/D converter:
- Two 12-bit units (8-channels for unit 0; 21-channels for unit 1)
- Self-diagnosis and detection of analog input disconnection
- 12-bit D/A converter: 2 channels
- Temperature sensor for measuring temperature within the chip
Applications
- Industrial robots
- Industrial motors
- PLCs
- General-purpose inverters
- Motion controllers
- Power conditioners
- HVAC controllers
- Security controllers
- Smart meters
Development Tools
Renesas Electronics RX66N Target Board (RTK5RX66N0C00000BJ)
Evaluation, prototyping, and development platform for the RX66N 120MHz 32-Bit Microcontrollers
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Block Diagram
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Inilathala: 2020-04-06
| Na-update: 2023-10-09