■ 32-bit RXv2 CPU core
 Max. operating frequency: 32 MHz
Capable of 64 DMIPS in operation at 32 MHz
 Enhanced DSP: 32-bit multiply-accumulate and 16-bit multiplysubtract
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 1.8-V to 5.5-V supply
 Three low power consumption modes
 Low power timer (LPT) that operates during the software standby state
■ On-chip flash memory for code
 Read cycle of 31.25 ns in 32-MHz operation
 No waiting time when the CPU is reading at full speed
 128-Kbyte to 256-Kbyte capacities
 On-board or off-board user programming
 Programmable at 1.8 V
 For instructions and operands
■ On-chip data flash memory
 8 Kbytes (1,000,000 program/erase cycles (typ.))
 BGO (Background Operation)
■ On-chip SRAM, no wait states
 16- to 32-Kbyte size capacities
■ Data transfer functions
 DMAC: Incorporates four channels
 DTC: Four transfer modes
■ ELC
 Module operation can be initiated by event signals without using
interrupts.
 Linked operation between modules is possible while the CPU is
sleeping.
■ 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 MHz to 20 MHz
 External clock input frequency: Up to 20 MHz
 PLL circuit input: 4 MHz to 8 MHz
 On-chip low- and high-speed oscillators, dedicated on-chip low-speed
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 disconnect 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
 Input/output functions selectable from multiple pins
■ Up to eight communication functions
 CAN (one channel) compliant to ISO11898-1:
Transfer at up to 1 Mbps
 SCI with many useful functions (up to four channels),
asynchronous mode, clock synchronous mode, smart card interface,
reduction of errors in communications using the bit rate modulation
function
 I2C bus interface: Transfer at up to 400 kbps, capable of SMBus
operation (one channel)
 RSPI (one channel): Transfer at up to 16 Mbps