參數(shù)資料
型號： IA8344-PLC44I-01
廠商： Innovasic Semiconductor
英文描述： SDLC COMMUNICATIONS CONTROLLER
中文描述： SDLC的通信控制器
文件頁數(shù)： 34/49頁
文件大?。?/td> 220K
代理商： IA8344-PLC44I-01
IA8044/IA8344
Data Sheet
SDLC COMMUNICATIONS CONTROLLER
station. If the response is positive the SIU interrupts the CPU. If the response is negative the SIU
retransmits the frame. The SIU can send the following responses to the primary station.
RR (Receive Ready),
RNR (Receive Not Ready).
The FLEXIBLE mode requires the CPU to control the SIU for both transmitting and receiving.
This slows response time but allows full SDLC and limited HDLC compatibility as well as
variations. In FLEXIBLE mode the SIU can act as a primary station. The SIU will interrupt the
CPU after completion of a transmission without waiting for a positive acknowledgement from the
receiving station.
Basic SDLC Frame
FLAG
ADDRESS
CONTROL
IA8X44 Frame parameters:
Flag
- 8 bits
Address
- 8 bits
Control
- 8 bits
Information
- n bytes (where n
≤
192)
FCS
- 16 bits
Flag
- 8 bits
Copyright
2003
innov
ASIC
The End of Obsolescence
ENG210010112-00
www.innovasic.com
Customer Support:
Page 34 of 49
1-888-824-4184
INFORMATION
FCS
FLAG
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