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Specifications
SKU: 424532
16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
| Parameter | Description | Value |
|---|---|---|
| Part Number | Device Identifier | UPD784031YGC-3B9 |
| Package Type | Encapsulation Type | QFP (Quad Flat Package) |
| Pin Count | Number of Pins | 64 |
| Operating Voltage (Vcc) | Supply Voltage Range | 5.0 V ± 5% |
| Operating Temperature | Temperature Range for Operation | -40°C to +85°C |
| Clock Frequency | Maximum Clock Speed | 20 MHz |
| Flash Memory | Program Memory Size | 32 KB |
| RAM | Data Memory Size | 2 KB |
| EEPROM | Non-Volatile Data Storage | 1 KB |
| I/O Ports | Number of General Purpose I/O Pins | 48 |
| ADC Channels | Analog-to-Digital Converter Channels | 8 |
| ADC Resolution | ADC Bit Resolution | 10-bit |
| DAC Channels | Digital-to-Analog Converter Channels | 2 |
| DAC Resolution | DAC Bit Resolution | 8-bit |
| Timers | Number of Timers/Counters | 3 |
| Serial Interfaces | Types of Serial Communication Interfaces | UART, SPI, I2C |
| Watchdog Timer | Built-in Watchdog Timer | Yes |
| Power Consumption | Typical Power Consumption at 5V, 20MHz | 100 mA |
| Low Power Mode | Power-Saving Modes | Sleep, Idle, Stop |
| Programming Interface | Method for Programming the Device | In-Circuit Serial Programming |
Instructions for Use:
Power Supply:
- Connect the Vcc pin to a 5.0 V ± 5% power supply.
- Ensure the GND pin is properly grounded.
Clock Configuration:
- Connect an external crystal or oscillator to the XTAL1 and XTAL2 pins for clock generation.
- Alternatively, use an internal RC oscillator if external precision is not required.
I/O Pin Configuration:
- Configure I/O pins as input or output using the appropriate register settings.
- Use pull-up resistors for inputs when necessary.
ADC Operation:
- Initialize the ADC by setting the control registers.
- Select the channel to be read and start the conversion.
- Read the result from the ADC data register.
DAC Operation:
- Set the DAC output value by writing to the DAC data register.
- Ensure the DAC reference voltage is correctly set.
Timer Configuration:
- Set the timer prescaler and mode of operation.
- Enable interrupts if required for timer events.
Serial Communication:
- Configure the UART, SPI, or I2C interfaces by setting the control registers.
- Initialize the communication parameters such as baud rate, data bits, and stop bits.
Watchdog Timer:
- Enable the watchdog timer by setting the appropriate register bit.
- Reset the watchdog timer periodically to prevent system reset.
Low Power Modes:
- Enter low power modes by setting the sleep, idle, or stop mode bits in the power control register.
- Wake up the device using external interrupts or timer events.
Programming:
- Use an in-circuit serial programmer to program the flash memory.
- Follow the programming algorithm provided in the device datasheet.
For detailed information and specific register settings, refer to the device datasheet and application notes.
(For reference only)Inquiry - UPD784031YGC-3B9
