SH69P21 OTP 1K 4-bit Micro-controller Features „ SH6610C-based single-chip 4-bit micro-controller „ OTP ROM: 1K X 16 bits „ RAM: 88 X 4 bits - 24 System control register - 64 Data memory „ Operation Voltage: 2.
4V - 5.
5V - fOSC = 30kHz - 4MHz, VDD = 2.
4V - 5.
5V - fOSC = 4MHz - 8MHz, VDD = 4.
5V - 5.
5V „ 11CMOS bi-directional I/O pins and 1CMOS input pin „ 4-Level Stack (Including Interrupts) „ One 8-bit auto re-loaded Timer/Counter „ Warm-up Timer „ Powerful Interrupt Sources: - External interrupt0: PORTA.
0 (Falling/Rising/Double Edge) - Timer0 interrupt (Timer0) - External Interrupts: PORTB (Falling Edge) „ Oscillator: (Code Option) - Crystal oscillator: 32.
768kHz, 400kHz - 8MHz - Ceram...

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