descriptors. See USB: descriptors; specific
descriptor
devcon 38
development boards 65
devguid.h 39
device descriptor 346 , 348
device interface GUID 40
device management model 337
Device Manager 31 – 36
device setup GUID 39
differential line 80 – 83
digital ground 71
diode, parasitic 136
Direct Line (DL) model 339
direct line control model 337 , 339
Dispose 161
DLP Design 330
driver enable, RS-485 96 – 103
driver, hardware. See specific interface
driver, Windows 38
USB CDC 338 – 339
USB FTDI 330
DS16F95 90
DS275/6 53
DS89C420 275
DSR 45
DsrHolding 210
D-sub connector 62
DTE
adapter 64
defined 44
DTR 45
DtrEnable 210
duplex 7
0
earth ground 72
EEM 337 , 338
EEPROM, and FTDI chips 325
EIA 43
EIA/TIA-232. See RS-232
electromagnetic
coupling 133
interference 112
Electronics Industries Association 43
embedded system, defined 6
EMI 112
End of Transmission code 273
endpoint descriptor
bulk 350 – 351 , 354
interrupt 350 , 353
enumeration 318
error detecting
ErrorReceived event 214 – 218
exceptions 214
See also parity
ErrorReceived 214 – 218
Ethernet
interface for serial port 37
vs. other interfaces 3
Ethernet emulation model 337 , 338
Ethernet networking control model 337
EUSART. See UART; PIC18F4550
event-driven programming 28
DataReceived (SerialPort) 194 – 195
ErrorReceived (SerialPort) 214 – 218
PinChanged (SerialPort) 211 – 213
See also .NET; interrupt
exception
InvalidOperationException 166
TimeoutException 161
UnauthorizedAccessException 159
fail safe, RS-485 127