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.