FEATURES

· Pin-compatible with masked ROM products (other than the VPP pin)

· Flash memory: 16 Kbytes

· Internal high-speed RAM: 256 bytes

· Built-in RC oscillator

· Built-in two 8-bit multipliers: 16 bits

· Variable minimum instruction execution time: From high-speed (0.5 ms) to low-speed (2.0 ms) (operation with the main system clock running at 4.0 MHz)

· 20 I/O ports

· Serial interface channel: Switchable between three-wire serial I/O and UART modes

· Four-channel A/D converters with an 10-bit resolution

· Three timers:

· 16-bit timer 20

· 8-bit timer/event counter 80

· Watchdog timer

· Power supply voltage VDD: 1.8 to 5.5 V