SH66K12 MASK 4-bit Microcontroller with LCD Driver Features „ SH6610C-based single-chip 4-bit microcontroller with LCD driver „ ROM: 2048 X 16 bits „ RAM: 256 X 4 bits (Data memory) „ Operation voltage: 2.
5V - 5.
4V „ 16 CMOS I/O pins - CMOS or Open Drain (code option) „ 4 level subroutine nesting (including interrupts) „ Two 8-bit timer/counter with pre-divider circuit „ Oscillator warm-up timer „ 4 priority interrupt sources: - External interrupt (falling edge) - Timer0 interrupt - Timer1 interrupt - PortB interrupt (falling edge) „ Oscillator - 32.
768KHz crystal or 262K RC (code option) „ Instruction cycle time: - 4/32.
768KHz (≈ 122µs) for 32.
768KHz OSC clock - 4/262KHz (≈ 15µs) for 262...

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