Americas
Product Overview:
Low-pin count, general-purpose MCU with built-in carrier wave generatingcircuit, perfect for remote control applications. Built-in power-on reset andvoltage drop detection circuits. Maximum oscillation frequency is 4MHz. Comesin a 32-pin package. QzROM version available
Key Features:
- Basic machine-language instructions: 71
- The minimum instruction execution time: 2 μs (at 4 MHz oscillationfrequency)
- Memory size
- ROM: 4K to 60K bytes
- RAM: 512, 256 bytes
- Programmable I/O ports: 25
- Key-on wakeup input: 8 inputs
- LED output port: 8
- Interrupts: 7 sources, 7 vectors
- Timers: 8-bit × 3
- Carrier wave generating circuit: 1 channel (8-bit timer × 2)
- Clock generating circuit: Built-in type (connect to external ceramicresonator or quartz-crystal oscillator)
- Watchdog timer: 16-bit × 1
- Power-on reset circuit: Built-in type
- Voltage drop detection circuit: Built-in type
- Power source voltage
- XIN oscillation frequency at ceramic/quartz-crystal oscillation
At 4 MHz: 1.8 to 3.6 V
- XIN oscillation frequency at ceramic/quartz-crystal oscillation
- Power dissipation: 1.8mW
- Operating temperature range: –20 to 85 degrees C
Key Applications:
Remote control transmit.
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