SH79F1622
8051 Microcontroller with 20 channels Touch-key input and TONE
1.
Features
8bits micro-controller with Pipe-line structured 8051 compatible instruction set
Flash ROM: 16K Bytes RAM: internal 256 Bytes, external 1280 Bytes Operation
Voltage: 2.
7V - 5.
5V Oscillator:
- Internal RC: 27MHz (±2%) - External crystal oscillator: 32.
768kHz 28pin: 25
CMOS bi-directional I/O pins 20pin: 17
CMOS bi-directional I/O pins Built-in pull-up resistor for input pin Three 16-bit timer/counters T2, T3 & T4 20 channels Touch Key input Built-in Touch Key comparison
voltage:
1V, 1.
5V, 2V, 2.
5V 7 COM 16 SEG LED drive
Touch Key sharing with LED drive Powerful interrupt sources:
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