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