DESCRIPTION/FEATURES

? High-breakdown-voltage output port ......................................... 25

? Segment output............................................ 8 to 20

? Digit output ................................................... 5 to 16

(Ports P0 to P2 are also used as normal output ports)

? Output breakdown.................................. Vcc – 45 V

? Output current ............... –18 mA (at DIG selecting),

–7 mA (at SEG selecting)

? Pull-down resistor .........................................built-in

? Dimmer switch ............................................ 4 levels

? A-D converter ................................................... 8-bit ? 4 channels

? Absolute accuracy ....................................... ±3 LSB

? Serial I/O ..................................... 3 (CS controller, external clock)

? Noise filter .....................................................built-in

(in serial input pin and clock pin, 2 MHz sampling)

? FLD display data ............................................. input

? A-D conversion data ..................................... output

? Command ....................................................... input

? Package ......................................................................... 36P2R-G

? Oscillation circuit ........... CR oscillation cirucit (external capacitor)

? Oscillation frequency..................................... 2 MHz

? Power source voltage .................................................. 4.0 to 5.5 V