Serial Port Complete - Latest Microcontroller projects
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Designing RS-232 Links 5 %& This chapter discusses RS-232 cables, connectors, wiring configurations, and ...
Chapter 5 Figure 5-1 shows the 9- and 25-pin D-sub (subminiature “D”) connectors that many RS-232 interfaces use. ...
Designing RS-232 Links tually no applications need more than 9 wires. The TIA-574 standard docu- ments the pinout for the 9-pin ...
Chapter 5 1- )2- ' To connect a DTE to a DCE with a 9-pin D-sub at each end, the cable con- nects each wire s ...
Designing RS-232 Links changer can help. To connect two male connectors, use a female-to-female gen- der changer, which has rece ...
Chapter 5 A typical microcontroller has a serial output labeled TX and a serial input labeled RX. The RS-232 port on development ...
Designing RS-232 Links microcontroller’s TX and RX pins to RX and TX on the RS-232 connector. The MAX232’s other driver/receiver ...
Chapter 5 !$ Cable manufacturers often specify the capacitance of their products in pF/ft. For unshielded cable, ...
Designing RS-232 Links ! A way to protect circuits from noise or damaging voltages and currents is to use surge pr ...
Chapter 5 # RS-232’s generous noise margins help make the interface reliable and immune to data errors caused by ex ...
Designing RS-232 Links include signal ground, analog and digital grounds, earth ground, and safety ground. Signal ...
Chapter 5 chassis is grounded, current instead follows the low-impedance path to earth ground until a fuse blows and the circuit ...
Designing RS-232 Links Figure 5-7: Optoisolators can isolate a TTL or RS-232 interface. ...
Chapter 5 voltages on two secondary windings. One winding provides voltage for the computer or other circuits that connect to eq ...
Designing RS-232 Links and safety ground should have no connection inside the supply. You can verify this lack of connection wit ...
Chapter 5 lar to the TTL-to-RS-232 circuit except that no 74LS14 inverter is needed because the non-isolated RS-232 interface in ...
Designing RS-232 Links ment with different connections to determine what type of null modem a link requires. : ...
Chapter 5 % 5; Sometimes there’s no substitute for viewing the waveforms. A digital oscillo- scope is ...
6 ()* RS-485 is a solution for applications that need to communicate over longer dis- tances or at higher speeds than R ...
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