Description
LCD driver MCU with built-in A/D converter, serial interface, sub-clock, etc. Maximum oscillation frequency is 10MHz. Comes in an 80-pin package. QzROM version is pin-compatible and software compatible with 3822 Group. Enhancedwith ROM correction function and Watchdog timer.
- Basic machine-language instructions: 71
- The minimum instruction execution time: 0.4 µs (at f(XIN) = 10 MHz,High-speed mode)
- Memory size
- ROM: 16 K to 60 K bytes
- RAM: 640 to 2560 bytes
- ROM correction function: 32 bytes × 2 vectors
- Watchdog timer: 8-bit × 1
- Programmable input/output ports: 49
- Input ports: 5
- Software pull-up/pull-down resistors (Ports P0-P7 except port P40)
- Interrupts: 17 sources, 16 vectors (includes key input interrupt)
- Key Input Interrupt (Key-on Wake-Up): 8
- Timers: 8-bit × 3, 16-bit × 2
- Serial interface: 8-bit × 1 (UART or Clock-synchronized)
- A/D converter: 10-bit × 8 channels or 8-bit × 8 channels
- LCD drive control circuit
- Bias: 1/2, 1/3
- Duty: 1/2, 1/3, 1/4
- Common output: 4
- Segment output: 32
- Main clock generating circuits: Built-in feedback resistor
- (connect to external ceramic resonator or quartz-crystal oscillator)
- Sub-clock generating circuits: Built-in feedback resistor
- (connect to external quartz-crystal oscillator or on-chip oscillator)
- Power source voltage
- In frequency/2 mode (f(XIN) <10 MHz): 4.5 to 5.5 V
- In frequency/2 mode (f(XIN) <8 MHz): 4.0 to 5.5 V
- In frequency/4 mode (f(XIN) <10 MHz): 2.5 to 5.5 V
- In frequency/4 mode (f(XIN) <8 MHz): 2.0 to 5.5 V
- In frequency/4 mode (f(XIN) <5 MHz): 1.8 to 5.5 V
- In frequency/8 mode (f(XIN) <10 MHz): 2.5 to 5.5 V
- In frequency/8 mode (f(XIN) <8 MHz): 2.0 to 5.5 V
- In frequency/8 mode (f(XIN) <5 MHz): 1.8 to 5.5 V
- In low-speed mode: 1.8 to 5.5 V
- Power dissipation
- In frequency/2 mode: 18 mW (std.) (at f(XIN) = 8 MHz, Vcc = 5 V, Ta = 25degrees C)
- In low-speed mode at XCIN: 18 µW (std.) (at f(XIN) stopped, f(XCIN) = 32kHz, Vcc = 2.5 V, Ta = 25 degrees C)
- In low-speed mode at on-chip oscillator: 35 µW (std.) (at f(XIN) stopped,f(XCIN) = stopped, Vcc = 2.5 V, Ta = 25 degrees C)
- Operating temperature range: –20 to 85 degrees C
