Features
■ 32-bit RX CPU core
Max. operating frequency: 32 MHz
Capable of 50 DMIPS in operation at 32 MHz
Accumulator handles 64-bit results (for a single
instruction) from 32-bit × 32-bit operations
Multiplication and division unit handles 32-bit × 32-bit
operations (multiplication instructions take one CPU clock
cycle)
Built-in FPU: 32-bit single-precision floating point
(compliant to IEEE754)
Fast interrupt
CISC Harvard architecture with 5-stage pipeline
Variable-length instructions, ultra-compact code
On-chip debugging circuit
■ 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
For instructions and operands
■ On-chip data flash memory
4 Kbytes (1,000,000 program/erase cycles (typ.))
BGO (Background Operation)
■ On-chip SRAM, no wait states
12 Kbytes of SRAM
■ DMA
DTC: Five 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 8 MHz
Low-speed on-chip oscillator: 4 MHz
High-speed on-chip oscillator: 32 MHz ±1%
IWDT-dedicated on-chip oscillator: 15 kHz
On-chip clock frequency accuracy measurement circuit
(CAC)