3
Chapter 1
1.2 Features
• Intelligent 8-port RS-232 serial communication card
• Effectively reduce host CPU loading
• Speeds up to 921.6 kbps
• Onboard 1 MB memory buffer to reduce host CPU loading
• High data throughput rate
• PCI bus specification 2.2 compliant
• PCI universal card (both 3.3 V and 5 V signals)
• I/O address automatically assigned by PCI Plug & Play
• OS supported: Windows 2000/XP
1.3 Specifications
•
Processor:
TMS320C5402 DSP
•
Memory:
1 MB
•
Communication Controller:
8 x 16c550c UART
•
Serial Interface:
8-port RS-232
•
Speed (bps):
50 bps ~ 921.6 kbps
•
Bus Interface:
PCI bus specification 2.2 compliant
•
IRQ:
all ports use the same IRQ assigned by PCI Plug & Play
•
Data Bits:
5, 6, 7, 8
•
Stop Bits:
1, 1.5, 2
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Parity:
none, even, odd
•
Data Signals:
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
•
ESD Protection:
16 kV
•
Dimensions:
175 x 100 mm
•
Power Consumption:
Typical 504 mA, Max 558 mA
•
Operating Temperature:
0~ 60° C (32~140° F)
•
Storage Temperature:
-25 ~ 85° C (-13~185° F)
•
Operating Humidity:
5 ~ 95%, relative humidity, non-condensing
Note:
PCI-1625U does not support RAS service via crossover RS-232