Samsung SMO-150QP Especificaciones descargar pdf (Pagina 18)

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1.2.6.4 Data Character Formats

Data bits 5, 6, 7 or 8 bits/character

Parity Odd, even or none

Stop bits 1 or 2

1.2.6.5 Baud Rates

Internal baud rates can be selected from 150 to 115,200 baud. Standard rates are: 150, 300, 600, 1200,

2.4 K, 4.8 K, 7.2K, 9.6 K, 19.2 K, 38.4 K, 57.6 K, 76.8K and 115.2K. Baud rate accuracy is ±0.02

%. Other internal baud rates are programmable up to 153.6 Kbaud by specifying the baud rate

generator time constant. Combined baud rate for a channel pair (channels 1 & 2 or channels 3 & 4)

should not exceed 230.4 Kbaud.

1.2.6.6 X-On/X-Off Protocol

X-on/X-off protocol for flow control can be separately enabled for each serial channel.

1.2.6.7 Serial Buffers

Each serial interface includes the following data buffers:

Buffers Standard Units Extended RAM Units

Transmit 4,092 bytes 16,380 bytes

Trigger Buffers 4 @ 512 bytes 8 @ 1,024 bytes

Receive Buffer 4,092 bytes 16,380 bytes

1.2.6.8 Termination Resistor Network

For RS-422/RS-485 applications, the VXI-5534 serial interfaces can be configured to switch a

termination resistor network across the Tx and Rx signal pairs by a VXIbus command. The

termination resistor networks are mounted on plug-in headers. The standard termination network is

a 220 ohm load with 1 Kohm pullup and pulldown resistors to hold undriven Tx/Rx lines at +2.7 and

+2.2 volts. VXI-5534 channels must be configured in pairs as RS-422/RS-485 interfaces to use the

resistor termination networks.

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Samsung SMO-150QP Especificaciones Pagina 18