• 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)