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