The µPD784224 and 784225 are products of the µPD784225 Subseries in the 78K/IV Series. Besides a highspeed and high performance CPU, these controllers have ROM, RAM, I/O ports, 8-bit resolution A/D and D/A converters, timers, serial interfaces, a real-time output port, interrupt functions, and various other peripheral
hardware.

FEATURES
• I2C bus
• ROM correction
• Inherits peripheral functions of µPD780058Y Subseries
• Minimum instruction execution time
    160 ns (main system clock fXX = 12.5 MHz)
    61 µs (subsystem clock fXT = 32.768 kHz)
• I/O port: 67 pins
• Timer/counter: 16-bit timer/counter × 1 unit 8-bit timer/counter × 4 units
• Serial interface: 3 channels
    UART/IOE (3-wire serial I/O): 2 channels
    CSI (3-wire serial I/O, multi-master supporting I2C busNote): 1 channel
    Note µPD784225Y Subseries only
• Standby function
    HALT/STOP/IDLE mode
    In power-saving mode: HALT/IDLE mode (with subsystem clock)
• Clock division function
• Watch timer: 1 channel
• Watchdog timer: 1 channel
• Clock output function fXX, fXX/2, fXX/22, fXX/23, fXX/24, fXX/25, fXX/26, fXX/27, fXT selectable
• Buzzer output function fXX/210, fXX/211, fXX/212, fXX/213 selectable
• A/D converter: 8-bit resolution × 8 channels
• D/A converter: 8-bit resolution × 2 channels
• Supply voltage: VDD = 1.8 to 5.5 V

APPLICATION FIELD
    Car audio, portable audio, telephones, etc.