Description

The 32F8001-CN is an 8-bit microcomputer based on the 740 family core technology. It is designed for household products, office automation equipment, and controlling systems that require analog signal processing. The 3804 group is an enhanced version of the 3803 group with added I2C BUS control function.

Specifications and features

• Basic machine-language instructions: 71
• Minimum instruction execution time: 0.24 µs (at 16.8 MHz oscillation frequency)
• Memory size: ROM 16 K to 60 K bytes, RAM 640 to 2048 bytes
• Programmable input/output ports: 56
• Software pull-up resistors: Built-in
• Interrupts: 21 sources, 16 vectors for 3803 group (external 8, internal 12, software 1); 23 sources, 16 vectors for 3804 group (external 9, internal 13, software 1)
• Timers: 16-bit ✕ 1, 8-bit ✕ 4 (with 8-bit prescaler)
• Watchdog timer: 16-bit ✕ 1
• Serial I/O: 8-bit ✕ 2 (UART or Clock-synchronized), 8-bit ✕ 1 (Clock-synchronized)
• PWM: 8-bit ✕ 1 (with 8-bit prescaler)
• I2C-BUS interface (3804 group only): 1 channel
• A-D converter: 10-bit ✕ 16 channels (8-bit reading enabled)
• D-A converter: 8-bit ✕ 2 channels
• LED direct drive port: 8
• Clock generating circuit: Built-in 2 circuits (connect to external ceramic resonator or quartz-crystal oscillator)
• Power source voltage:
• In high-, middle-speed mode:
• At 16.8 MHz oscillation frequency: 4.5 to 5.5 V
• At 12.5 MHz oscillation frequency: 4.0 to 5.5 V
• At 8.38 MHz oscillation frequency: 2.7 to 5.5 V
• In low-speed mode:
• At 32 kHz oscillation frequency: 2.7 to 5.5 V
• (This value of flash memory version is 4.0 to 5.5 V.)
• Power dissipation:
• In high-speed mode: 60 mW (typ.) (at 16.8 MHz oscillation frequency, at 5 V power source voltage)
• In low-speed mode: 60 µW (typ.) (at 32 kHz oscillation frequency, at 3 V power source voltage)
• Operating temperature range: –20 to 85°C
• Packages:
• SP: 64P4B (64-pin 750 mil SDIP)
• FP: 64P6N-A (64-pin 14 ✕ 14 mm QFP)
• HP: 64P6Q-A (64-pin 10 ✕ 10 mm LQFP)

Application Scenarios

The 32F8001-CN is suitable for various household products, office automation equipment, and controlling systems. It is particularly useful for applications that require analog signal processing, such as those that involve A-D and D-A converters. The added I2C BUS control function in the 3804 group further enhances its applicability.

Comparison

• Wide range of memory size options
• High number of programmable input/output ports
• Built-in software pull-up resistors
• Multiple interrupt sources and vectors
• Various timers and serial I/O options
• Support for PWM and I2C-BUS interface

• Power source voltage limitations
• Power dissipation limitations in high-speed mode
• Limited operating temperature range