AN555 |
Part Number | AN555 |
Manufacturer | Microchip (https://www.microchip.com/) |
Description | of these bits in the Serial Status/Control Reg table given later). Summary of PutChar function: 1. Make sure _txmtProgress & _rcvOver bits are cleared 2. Load TxReg with data to be transmitted 3. Call... |
Features |
N
A half duplex, interrupt driven, software implementation of RS-232 communications, using a PIC16C71, is described in detail below. The transmit pin used in the example code is RB7 and the receive pin is connected to the RA4/T0CKI pin (Figure 2). Of course these pins are connected with appropriate voltage translation to/from RS-232/CMOS levels. Schematics describe the voltage translation in the hardware section of this application note.
Transmit Mode
Transmit mode is quite straight-forward to implement in software using interrupts. Once input clock frequency and baud rate are known, the numbe... |
Document |
AN555 Data Sheet
PDF 327.72KB |
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