- Decide the type of microcontroller to used in project.
Objective
- Used to control the main circuit such a relay, motor, sensor and motor pump.
Content
- This project is use microcontroller 18F252. I use this microchip because this powerful 10 MIPS (100 nanosecond instruction execution) yet easy-to-program (only 77 single word instructions) CMOS FLASH-based 8-bit microcontroller packs Microchip's powerful PIC® architecture into an 28-pin package and is upwards compatible with the PIC16C5X, PIC12CXXX, PIC16CXX and PIC17CXX devices and thus providing a seamless migration path of software code to higher levels of hardware integration.
- The PIC18F252 features a 'C' compiler friendly development environment, 256 bytes of EEPROM, Self-programming, an ICD, 2 capture/compare/PWM functions, 5 channels of 10-bit Analog-to-Digital (A/D) converter, the synchronous serial port can be configured as either 3-wire Serial Peripheral Interface (SPI™) or the 2-wire Inter-Integrated Circuit (I²C™) bus and Addressable Universal Asynchronous Receiver Transmitter (AUSART).
- All of these features make it ideal for manufacturing equipment, instrumentation and monitoring, data acquisition, power conditioning, environmental monitoring, telecom and consumer audio/video applications.
| Features | |
| |
| Parameter Name | Value |
| Program Memory Type | Flash |
| Program Memory (KB) | 32 |
| CPU Speed (MIPS) | 10 |
| RAM Bytes | 1,536 |
| Data EEPROM (bytes) | 256 |
| Digital Communication Peripherals | 1-A/E/USART, 1-MSSP(SPI/I2C) |
| Capture/Compare/PWM Peripherals | 2 CCP |
| Timers | 1 x 8-bit, 3 x 16-bit |
| ADC | 5 ch, 10-bit |
| Temperature Range (C) | -40 to 125 |
| Operating Voltage Range (V) | 2 to 5.5 |
| Pin Count | 28 |
reference: http://www.microchip.com
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