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Specifications
SKU: 773370
80-Pin Microcontroller Unit MCU With Highly Sophisticated On-Chip Peripheral Functions80、8
| Parameter | Description | Value / Range |
|---|---|---|
| Device Type | Microcontroller | 8-bit |
| Architecture | Motorola 68HC08 | - |
| Package | LQFP (Low-Profile Quad Flat Package) | 40-pin |
| Operating Voltage (VCC) | Supply Voltage | 2.7 V to 5.5 V |
| Clock Frequency | Internal RC Oscillator | 4 MHz (max) |
| Flash Memory | Program Memory | 60 KB |
| RAM | Data Memory | 2 KB |
| EEPROM | Non-Volatile Data Memory | 512 Bytes |
| I/O Ports | General Purpose Input/Output | 28 |
| Analog-to-Digital Converter (ADC) | 8-bit ADC Channels | 8 |
| Timers | Timer Modules | 2 x 8-bit, 1 x 16-bit |
| Serial Communication Interfaces (SCI) | UART Interface | 1 |
| Synchronous Serial Interface (SPI) | SPI Interface | 1 |
| Interrupts | Number of Interrupt Sources | 16 |
| Operating Temperature | Ambient Operating Temperature Range | -40°C to +85°C |
| Power Consumption | Active Mode Current | 10 mA (typical) |
| Low Power Modes | Sleep Mode, Stop Mode | - |
| Watchdog Timer | On-chip Watchdog Timer | Yes |
| Brown-out Detector | Brown-out Reset Circuit | Yes |
Instructions for Use
Power Supply:
- Connect the VCC pin to a power supply within the range of 2.7 V to 5.5 V.
- Connect the GND pin to the ground.
Clock Configuration:
- The device has an internal 4 MHz RC oscillator. For more precise timing, an external crystal or ceramic resonator can be connected to the XTAL1 and XTAL2 pins.
Programming:
- Use a programmer compatible with the 68HC08 architecture to program the flash memory.
- Ensure the programming voltage (VPP) is applied correctly if required by the programmer.
I/O Configuration:
- Configure the I/O ports using the appropriate register settings in your firmware.
- Set the direction of each port (input or output) using the Data Direction Register (DDR).
Analog-to-Digital Conversion:
- Initialize the ADC module and select the channel to be converted.
- Start the conversion and read the result from the ADC data register.
Serial Communication:
- Configure the SCI or SPI module according to your communication needs.
- Set the baud rate, data format, and other parameters as required.
Timer Configuration:
- Initialize the timer modules and set the prescaler and period values.
- Enable interrupts if needed for timer events.
Interrupt Handling:
- Set up interrupt vectors in the interrupt vector table.
- Write interrupt service routines (ISRs) to handle specific interrupt sources.
Low Power Modes:
- Enter sleep or stop mode to reduce power consumption when the microcontroller is idle.
- Use the watchdog timer to ensure the system wakes up periodically or on an event.
Reset and Initialization:
- Ensure the reset pin (RESET) is pulled high during normal operation.
- Perform necessary initialization routines in the main program loop.
Debugging:
- Use an in-circuit debugger or emulator to test and debug your code.
- Monitor the behavior of the microcontroller using breakpoints and watchpoints.
Storage and Handling:
- Store the device in a static-protective bag to prevent damage from electrostatic discharge (ESD).
- Handle the device with care to avoid mechanical stress on the pins and package.
Inquiry - MC68HC908AZ60CFU
