fully software controlled RS232
transmission and reception for PIC16F84
Concept
Project Resources
Available Microchip PIC
Assembler Source Code
Schematic, Data Sheets,
Pinout
Fully software controlled RS232 reception and transmission for
PIC16F8x. The microcontroller echoes every received RS232
character back to the RS232 terminal window on the host (i.e. the
computer). The HyperTerminal program (Win9x, WinXP) is configured
to use the standard settings as shown below.
PCB test board for PIC16F84 |
PIC16F84 test board with MAX232 |
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Screen shot of the HyperTerminal
Program |
Standard RS232 ComPort settings |
Main File | HEX Files |
Download assembler source
code: rs_test.asm |
Download Hex File: rs_test.hex |
The above program needs additional include files (modules) to get successfully assembled: m_bank.asm, m_wait.asm, m_rs096.asm | |
For those, who are not familiar with interfacing a PIC to the RS232 using a MAX232: RS232-Interface.pdf (9.7 kB) |
RS232 terminology about DTE and DCE: DTE_DCE_FAQ.pdf
Download ASCII Character Map: ASCII-Map.pdf
You can get the pinout and a description of the various keyboard connectors <here>.
Last updated: 2005/01/16