The µPD784031Y is based on the µPD784031 with an I2C bus control function appended, and is ideal for applications in audio-visual systems.

The µPD784031Y is a ROM-less version of µPD784035Y and 784036Y.

FEATURES

-78K/IV Series

-Pin-compatible with µPD78234 Subseries,µPD784026 Subseries, and µPD784038 Subseries

-Minimum instruction execution time: 125 ns (@ 32-MHz operation)

-I/O ports: 46

-Serial interface: 3 channels

   UART/IOE (3-wire serial I/O): 2 channels

    CSI (3-wire serial I/O, 2-wire serial I/O, I2C bus): 1 channel

-PWM output: 2 outputs

-Timer/counter

  16-bit Timer/counter x 3 units

  16-bit Timer x 1 unit

-Standby function

  HALT/STOP/IDLE mode

-Clock division function

-Watchdog timer: 1 channel

-A/D converter: 8-bit resolution x 8 channels

-D/A converter: 8-bit resolution x 2 channels

-Supply voltage: VDD= 2.7 to 5.5 V