FEATURES

• Internal ROM: 16 Kbytes

• Internal high-speed RAM: 512 bytes

• Minimum instruction execution time can be changed from high-speed (0.4 μs: @ 5.0-MHz operation with main

system clock) to ultra-low-speed (122 μs: @ 32.768-kHz operation with subsystem clock)

• I/O ports: 34

• Serial interface: 1 channel

Switchable between 3-wire serial I/O and UART modes

• Timer: 4 channels

• 16-bit timer counter: 1 channel

• 8-bit timer/event counter: 1 channel

• Watch timer: 1 channel

• Watchdog timer: 1 channel

• Vectored interrupt source: 12

• Power supply voltage: VDD = 1.8 to 5.5 V

• Operating ambient temperature: TA = −40 to +85°C