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Product Overview:

Low-pin count, general-purpose MCU with built-in input capture/output compare,A/D converter, serial interface, high / low-speed on-chip oscillator, power-onreset and voltage drop detection circuits etc. Maximum oscillation frequency is8MHz. Comes in a 24-pin package. QzROM version available.

740Series QzROM

 

Key Features:

  • Basic machine-language instructions : 71
  • The minimum instruction execution time : 0.25 μs (at 8 MHz oscillationfrequency, double-speed mode)
  • Memory size
    • ROM : 2K, 4K, 6K bytes
    • RAM : 192/256 bytes
  • Programmable I/O ports
    • I/O port : 19
    • Output port : 1
  • Key-on wakeup input : 8 inputs
  • LED direct drive port : 8
  • Interrupts : 12 sources, 12 vectors
  • Timers
    • 8-bit × 2
    • 16-bit × 1
  • Output compare : 3 channel
  • Input capture : 1 channel
  • Serial interface : 8-bit × 1 (UART or clock synchronous)
  • A/D converter : 10-bit resolution × 8-channel
  • Clock generating circuit : Built-in type
    (connect to external ceramic resonator or quartz-crystal oscillator, 32 kHzquartz-crystal oscillation available)
  • High-speed on-chip oscillator : Typ. : 4MHz
  • Low-speed on-chip oscillator : Typ. : 250kHz
  • Watchdog timer : 16bit × 1
  • Power-on reset circuit. : Built-in type
  • Voltage drop detection circuit : Built-in type
  • Power source voltage
    • XIN oscillation frequency (at ceramic resonator, in double-speed mode)
      • At 8 MHz : 4.5 to 5.5 V
      • At 2 MHz : 2.4 to 5.5 V
      • At 1 MHz : 2.2 to 5.5 V
    • XIN oscillation frequency (at ceramic resonator, in high-speed mode)
      • At 8 MHz : 4.0 to 5.5 V
      • At 4 MHz : 2.4 to 5.5 V
      • At 1 MHz : 1.8 to 5.5 V
    • High-speed on-chip oscillator oscillation frequency (in double-speed mode)
      • At 4MHz : 4.0 to 5.5 V
    • Low-speed on-chip oscillator oscillation frequency (in double-speed mode)
      • At 250kHz (typ. value at VCC = 5V) : 1.8 to 5.5 V
  • Power dissipation : 30mW (Typ.)
  • Operating temperature range : -20 to 85 degrees C

Key Applications:

Office automation equipment, factory automation equipment, home electricappliances, consumer electronics, etc.

Product Lineup:


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