Features

■ 32-bit RXv3 CPU core

 Maximum operating frequency: 120 MHz

Capable of 709 CoreMark in operation at 120 MHz

 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 5.5-V supply

 Deep software standby mode with the RTC continuing to run

 Four low-power modes

■ On-chip code flash memory

 Supports versions with up to 1 Mbyte of ROM

 No waiting for access in 120-MHz operation

 User code is programmable by on-board or off-board programming.

 Programming/erasing as background operations (BGOs)

■ On-chip data flash memory

 32 Kbytes, reprogrammable up to 100,000 times

 Programming/erasing as background operations (BGOs)

■ On-chip SRAM

 128 Kbytes of SRAM (no wait states)

■ External address space

 Buses for full-speed data transfer (maximum operating frequency of

40 MHz)

 Four CS areas

 8- or 16-bit bus space is selectable per area

■ Data transfer

 DMACAa: 8 channels

 DTCb: 1 channel

■ ELC

 Module operation can be initiated by event signals without using

interrupts

 Linked operation between modules is possible when the CPU is in

sleep mode

■ Reset and supply management

 Power-on reset (POR)

 Low voltage detection (LVD)

■ Clock functions

 The main clock oscillator is connectable to an 8- to 24-MHz external

crystal resonator and usable as the PLL reference clock.

 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

 120-kHz IWDT-dedicated on-chip oscillator clock operation

■ Useful functions for IEC60730 compliance

 Oscillation-stoppage detection, functions for self-diagnosis and

detection of disconnection for the A/D converter, clock frequency

accuracy measurement circuit, independent watchdog timer, RAM

test-assisting function by DOC, and CRCA, etc.

 Register write protection function that protects important registers

against overwriting