DESCRIPTION/FEATURES • High-breakdown-voltage output port ......................................... 26 • Segment output............................................ 8 to 18 • Digit output ................................................... 7 to 10 (Ports P0 to P7 are also used as ordinary output ports) • Output breakdown.................................. Vcc – 45 V • Output current .................. –18 mA (DIG0 to DIG17), –7 mA (SEG0 to SEG7) • Pull-down resistor ........................................build-in • Dimmer switch ............................................ 4 levels • A-D converter ................................................... 8-bit ✕ 6 channels • Absolute accuracy ....................................... ±3 LSB • Serial I/O ..................................... 4 (CS controller, external clock) • Noise filter ....................................................build-in (in serial input pin and clock pin, 2 MHz sampling) • FLD display data ............................................. input • A-D conversion data ..................................... output • Command ....................................................... input • Package ................................................................. 44P6N/44P6X • Oscillating circuit ........... RC oscillating cirucit (external capacitor) • Oscillating frequency ..................................... 4 MHz • Power source voltage .................................................. 4.0 to 5.5 V
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