32-bit RX CPU core
? Max. operating frequency: 40 MHz
Capable of 65.6 DMIPS in operation at 40 MHz
? Enhanced DSP: 32-bit multiply-accumulate and 16-bit
multiply-subtract instructions supported
? Built-in FPU: 32-bit single-precision floating point
(compliant to IEEE754)
? Divider (fastest instruction execution takes two CPU clock
cycles)
? Fast interrupt
? CISC Harvard architecture with 5-stage pipeline
? Variable-length instructions, ultra-compact code
? On-chip debugging circuit
? Memory protection unit (MPU) supported
■ Low power design and architecture
? Operation from a single 2.7-V to 5.5-V supply
? Three low power consumption modes
■ On-chip code flash memory, no wait states
? 128-/64-Kbyte capacities
? On-board or off-board user programming
■ On-chip SRAM, no wait states
? 12 Kbytes of SRAM
■ DMA
? DTC: Four transfer modes
■ Reset and supply management
? Seven types of reset, including the power-on reset (POR)
? Low voltage detection (LVD) with voltage settings
■ Clock functions
? Main clock oscillator frequency: 1 to 20 MHz
? External clock input frequency: Up to 20 MHz
? PLL circuit input: 4 MHz to 12.5 MHz
? On-chip low-speed oscillator, on-chip high-speed
oscillator, dedicated on-chip oscillator for the IWDT
? Clock frequency accuracy measurement circuit (CAC)
■ Independent watchdog timer
? 15-kHz on-chip oscillator produces a dedicated clock
signal to drive IWDT operation.
■ Useful functions for IEC60730 compliance
? Self-diagnostic and disconnection-detection assistance
functions for the A/D converter, clock frequency accuracy
measurement circuit, independent watchdog timer, RAM
test assistance functions using the DOC, etc.
■ MPC
? Multiple locations are selectable for I/O pins of peripheral
functions