A single-chip microcomputer is an integrated circuit chip that contains multiple functional components such as a central processing unit CPU, random access memory RAM, read-only memory ROM, input and output I/O interfaces, interrupt control system, timer/counter and communication.
The microcontroller used in this tutorial is the CC2530 produced by Texas Instruments, and its pin distribution is as follows:
P0 and P1 have 8 pins each (1 byte = 8 bits, pin/bit. Generally defined in hexadecimal, convert to binary by yourself and combine with the parameter table to understand each setting function), and P2 has 5 pins.
【software】
1. IAR Embedded Workbench for 8051. IAR is a famous C compiler. CC2530 uses the 8051 core.
2. SmartRF Flash Programmer, burn the hex file generated by IAR into the cc2530 chip.
3. sscom3.2 serial port debugging assistant.
【Actual picture】
Previous article：About the serial port working mode
Next article：5.2 SW1 controls the on and off of LED1 (interrupt function)
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