Psion PowerScan M8300 series Manual de usuario Pagina 150

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 216
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 149
POWERSCAN
D8330/M8300
138
5 REFERENCES
5.1 RS-232 PARAMETERS
5.1.1 Handshaking
Hardware handshaking: (RTS/CTS)
The RTS line is activated by the decoder before transmitting a character.
Transmission is possible only if the CTS line (controlled by the Host) is active.
RTS
Transmitted data Transmitted data
TX
CTS
Host bus
y
Signals at
EIA levels
RTS/CTS handshaking
Software handshaking: (XON/XOFF)
During transmission, if the Host sends the XOFF character (13 Hex), the decoder
interrupts the transmission with a maximum delay of one character and only resumes
when the XON character (11 Hex) is received.
Host readyHost busy
XONXOFF
RX
Transmitted data Transmitted data
T
X
XON/XOFF handshaking
Vista de pagina 149
1 2 ... 145 146 147 148 149 150 151 152 153 154 155 ... 215 216

Comentarios a estos manuales

Sin comentarios