• Infrared remote controller carrier generator (REM output)

• 17K architecture: General-purpose register system

• Program memory (ROM), data memory (RAM)

• 8-bit timer: 1 channel

• Basic interval timer/watchdog timer: 1 channel

• Instruction execution time (can be changed in two steps)

@ fX = 4 MHz: 4 μs (high-speed mode)/8 μs (normal mode)

• External interrupt pin (INT/P1B0): 1

• I/O pins: 24

• Supply voltage: VDD = 2.0 to 3.6 V

• On-chip RAM retention detector

• Low-voltage detector (mask option)