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Specifications
SKU: 11578921
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Part Number | Device Identifier | MC68HC11E1CFNE2 | - |
| Package Type | Encapsulation Style | 40-Pin Plastic Dual In-Line Package (PDIP) | - |
| Operating Voltage (Vcc) | Supply Voltage Range | 5.0 | V |
| Operating Temperature Range | Temperature Range for Operation | -40 to +85 | °C |
| Clock Frequency | Maximum Clock Speed | 2 | MHz |
| Program Memory | ROM Size | 8 | KB |
| Data Memory | RAM Size | 512 | Bytes |
| I/O Ports | Number of I/O Lines | 32 | - |
| Timers | Number of Timers | 2 | - |
| Serial Communication Interfaces (SCI) | Number of SCI Modules | 1 | - |
| Serial Peripheral Interface (SPI) | Number of SPI Modules | 1 | - |
| Analog-to-Digital Converter (ADC) | Number of ADC Channels | 8 | - |
| Interrupts | Number of Interrupt Sources | 16 | - |
| Watchdog Timer | Watchdog Timer Availability | Yes | - |
| Power Consumption | Typical Power Consumption at 2 MHz | 300 | mW |
Instructions for Use:
Power Supply:
- Connect the Vcc pin to a 5V power supply.
- Connect the GND pin to the ground.
Clock Configuration:
- Connect an external crystal or oscillator to the XTAL1 and XTAL2 pins if an external clock source is used.
- For internal clock operation, configure the appropriate register settings.
Reset Pin:
- The RESET pin should be pulled high during normal operation. A low signal on this pin will reset the microcontroller.
Programming:
- Use an in-circuit programmer to load the program into the ROM.
- Ensure the correct programming voltage and timing specifications are followed.
I/O Configuration:
- Configure the I/O ports using the appropriate register settings in your code.
- Set the direction of each port (input or output) as needed.
Timers and Counters:
- Initialize the timers and counters by setting up the control registers.
- Use interrupts or polling to manage timer events.
Serial Communication:
- Configure the SCI and SPI modules for serial communication.
- Set the baud rate, data format, and other parameters as required.
Analog-to-Digital Conversion:
- Enable the ADC module and select the channel to be sampled.
- Initiate the conversion and read the result from the appropriate register.
Interrupt Handling:
- Enable the desired interrupt sources.
- Write interrupt service routines (ISRs) to handle specific interrupt events.
Watchdog Timer:
- Configure the watchdog timer to reset the microcontroller if the system becomes unresponsive.
- Clear the watchdog timer periodically to prevent a reset.
Power Management:
- Use the sleep mode to reduce power consumption when the microcontroller is idle.
- Wake up the microcontroller using external interrupts or timers.
Storage and Handling:
- Store the device in a static-protective bag to avoid damage from electrostatic discharge (ESD).
- Handle the device with care to avoid physical damage to the pins and package.
Inquiry - MC68HC11E1CFNE2
