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SH67P33
OTP 4-bit Micro-controller
Features
SH6610C-based single-chip 4-bit micro-controller ROM: 1K X 16 bits OTP ROM RAM: 48 X 4 bits RAM (Data Memory) Operation voltage: 1.8V - 3.6V (Typical: 3.0V) 16 CMOS bi-directional I/O pins and 1 COMS input pin 4-level subroutine nesting (including interrupts) One 8-bit auto re-loadable timer/counter Warm-up timer for power-on reset Powerful interrupt sources: - Internal interrupt (Timer0). - External interrupts: (rising edge). PORTB & PORTC or PORTB, PORTC & PORTD (Code Option) Remote control programmable carrier synthesizer Oscillator :(Code Option) - External Ceramic Resonator/Crystal Oscillator: 400kHz - 4MHz - Built-in RC Oscillator: 4MHz typical Instruction cycle time: - 4/455kHz (≈ 8.