Features
■ 32-bit RXv2 CPU core
• Max. operating frequency: 48 MHz
Capable of 204 Coremark in operation at 48 MHz
• Enhanced DSP instructions: 32-bit multiply-accumulate instructions,
and 16-bit multiply-subtract instructions are supported.
• On-chip FPU: 32-bit single-precision floating point compliant with
IEEE-754
• On-chip divider that operated at the fastest of two clock cycles
• 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 1.8-V to 5.5-V supply
• Four low power consumption modes
• Low power timer (LPT) that operates during the software standby state
• Supply current
High-speed operating mode: 58 μA/MHz
Supply current in software standby mode: 0.25 μA (typ.) (Ta = 25°C)
• Recovery time from software standby mode: 6.2 μs (typ.) (Clock
Source: HOCO 32 MHz, Ta = 25°C)
■ On-chip flash memory for code
• 64 K/128 K/256 Kbytes size capacities
• User code is programmable by on-board programming.
• Programmable at 1.8 V
• For instructions and operands
■ On-chip data flash memory
• 4K/8 Kbytes (1,000,000 program/erase cycles (typ.))
• BGO (Background Operation)
■ On-chip SRAM, no wait states
• 16 K/32 K/64 Kbytes size capacities
■ DTC
• Five 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
• External clock input frequency: Up to 20 MHz
• Main clock oscillator frequency: 1 to 20 MHz
• Sub clock oscillator frequency: 32.768 kHz
• PLL circuit input: 4 MHz to 12 MHz
• Low-speed on-chip oscillator: 4 MHz
• High-speed on-chip oscillator: 24/32/48 MHz ± 1%
• IWDT-dedicated on-chip oscillator: 15 kHz
• Generate a 32.768 kHz clock for the real-time clock
• On-chip clock frequency accuracy measurement circuit (CAC)
■ Realtime clock
• Adjustment functions (30 seconds, leap year, and error)
• Calendar count mode or binary count mode selectable
■ 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.