микруха то навороченая. прошивка скорее всего слетела
■ Program memory (MTP)
●4,096 bytes (4,096 x 8bit)
[ multi-programmable by 1K-Byte, 2K-byte or 4K-byte)
■ Data memory (RAM)
● 32 nibble (32 x 4bit)
■ 3 levels of subroutine nesting
■ 8-bit Table Read Instruction
■ Oscillator Type (Operating frequency)
● Internal RC Oscillator (typically 3.64MHz ±2%)
■ Instruction cycle
● f OSC /48
■ Stop mode
■ Released stop mode by key input
■ Built in Power-on Reset circuit
■ Built in Transistor for I.R LED Drive
● I OL =250mA at V DD =3V and V O =0.3V
■ Built in Low Voltage reset circuit
■ Built in a watch dog timer (WDT)
■ Low operating voltage
● 1.8 ~ 3.6V
■ 8/16/20-SOP, 20-TSSOP Package.
