■ 32-bit RXv3 CPU core
• Maximum operating frequency: 120 MHz
Capable of 707 CoreMark in operation at 120 MHz
• Double-precision 64-bit IEEE-754 floating point
• A collective register bank save function is available.
• Supports the memory protection unit (MPU)
• JTAG and FINE (one-line) debugging interfaces
■ Low-power design and architecture
• Operation from a single 2.7- to 3.6-V supply
• Battery supply of backup power allows continued operations of the
RTC and the backup registers.
• Four low-power modes
■ On-chip code flash memory
• Supports versions with up to 2 Mbytes of ROM
• No wait cycles at up to 60 MHz or when the ROM cache is hit, onewait
state at up to 120 MHz
• User code is programmable by on-board 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
• 8 Kbytes, reprogrammable up to 100,000 times
• Programming/erasing as background operations (BGOs)
■ On-chip SRAM
• 384 Kbytes of SRAM (no wait states)
• 4 Kbytes of standby RAM (backup on deep software standby)
■ External address space
• Buses for full-speed data transfer (maximum operating frequency of
60 MHz)
• 8 CS areas
• 8- or 16-bit bus space is selectable per area
• Independent SDRAM area (128 Mbytes)
■ Data transfer
• DMACAb: 8 channels
• DTCb: 1 channel
• EXDMACa: 2 channels
■ Reset and supply management
• Power-on reset (POR)
• Low voltage detection (LVD) with voltage settings
• Backup domain low power detection
■ Clock functions
• External crystal resonator or internal PLL for operation at 8 to 24
MHz
• A sub-clock oscillator connectable to a 32.768-kHz crystal resonator
• Internal 240-kHz LOCO and HOCO selectable from 16, 18, and 20
MHz
• 120-kHz 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 in response to an event-signal input
■ Independent watchdog timer
• Operates with the 120-kHz clock frequency generated by the
dedicated low-speed oscillator
■ Useful functions for IEC60730 compliance
• Oscillation-stoppage detection, frequency measurement, CRCA,
IWDTa, self-diagnostic function for the A/D converter, etc.
• Register write protection function that protects important registers
against overwriting
■ Remote control signal receiver