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Specifications
SKU: 6500589
Cost-Effective A/D Type 8-Bit Mask MCU
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 2.0 | 3.3 | 5.5 | V | Operating range for the microcontroller. |
| Operating Frequency | fOSC | - | 16 | 20 | MHz | Maximum operating frequency. |
| Flash Memory Size | - | - | 4K | - | bytes | Total program memory available. |
| RAM Size | - | - | 256 | - | bytes | General-purpose data memory. |
| EEPROM Size | - | - | 128 | - | bytes | Non-volatile data storage. |
| I/O Ports | - | - | 22 | - | pins | Number of programmable I/O pins. |
| ADC Resolution | - | - | 10-bit | - | bits | Analog-to-Digital Converter resolution. |
| ADC Channels | - | - | 8 | - | channels | Number of analog input channels. |
| Timer/Counter Modules | - | - | 3 | - | modules | Number of timer/counter modules. |
| UART Modules | - | - | 1 | - | module | Universal Asynchronous Receiver-Transmitter. |
| SPI Modules | - | - | 1 | - | module | Serial Peripheral Interface. |
| I2C Modules | - | - | 1 | - | module | Inter-Integrated Circuit. |
| Watchdog Timer | - | - | 1 | - | module | On-chip watchdog timer for system reliability. |
| Power Consumption | - | - | 1.5 | 3.0 | mA (active) | Typical power consumption in active mode at 3.3V, 16MHz. |
| Sleep Current | - | - | 1.0 | 2.0 | μA | Typical power consumption in sleep mode. |
| Package Type | - | - | QFN32 | - | package | Quad Flat No-lead package with 32 pins. |
Instructions
Power Supply:
- Ensure the supply voltage (VDD) is within the specified range (2.0V to 5.5V).
- Use a stable power source to avoid voltage fluctuations.
Clock Configuration:
- The HT46C47 supports an external crystal or ceramic resonator up to 20MHz.
- For accurate timing, use a high-quality crystal oscillator.
Program Memory:
- The 4KB flash memory can be programmed using an in-circuit serial programming (ICSP) interface.
- Use appropriate programming tools and software to upload code.
Data Memory:
- The 256-byte RAM is used for storing variables and temporary data during program execution.
- The 128-byte EEPROM can be used for non-volatile data storage, such as configuration settings.
I/O Pins:
- Configure the 22 I/O pins as inputs or outputs based on your application needs.
- Use internal pull-up resistors for input pins when necessary.
Analog-to-Digital Conversion:
- The 10-bit ADC can measure up to 8 analog input channels.
- Configure the ADC channels and start conversions using the appropriate registers.
Timer/Counters:
- Use the three timer/counter modules for generating delays, measuring time intervals, or counting events.
- Configure the prescaler and mode of operation for each timer/counter.
Communication Interfaces:
- The UART, SPI, and I2C modules allow communication with other devices.
- Configure the baud rate, data format, and other parameters as needed.
Watchdog Timer:
- Enable the watchdog timer to reset the microcontroller if it hangs or malfunctions.
- Set the timeout period according to your application requirements.
Power Management:
- Use sleep modes to reduce power consumption when the microcontroller is idle.
- Wake up the microcontroller using interrupts or external triggers.
Package Handling:
- Handle the QFN32 package with care to avoid damage to the pins.
- Follow proper soldering techniques to ensure reliable connections.
For detailed register configurations and advanced features, refer to the HT46C47 datasheet and application notes provided by the manufacturer.
(For reference only)Inquiry - HT46C47
