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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.