參數(shù)資料
型號(hào)： IA8044-PDW40I-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(yè)數(shù)： 36/49頁(yè)
文件大小： 220K
代理商： IA8044-PDW40I-01
IA8044/IA8344
Data Sheet
SDLC COMMUNICATIONS CONTROLLER
Frame Format Options
Frame Option
NFCS
NB
Standard SDLC
FLEXIBLE Mode
Standard SDLC
AUTO Mode
No Control Field
FLEXIBLE Mode
No Control Field
No Address Field
FLEXIBLE Mode
No FCS Field
FLEXIBLE Mode
No FCS Field
AUTO Mode
No Control Field
No FCS Field
FLEXIBLE Mode
No Control Field
No Address Field
No FCS Field
FLEXIBLE Mode
Fl -> Flag
Ad -> Address Field
Co -> Control Field
Inf -> Information Field
FCS -> Frame Check Sequence
HDLC Restrictions
The IA8044/IA8344 supports a subset of the HDLC protocol. The differences include the
restriction by the IA8044/IA8344 of the serial data to be in 8-bit increments. In contrast HDLC
allows for any number of bits in the information field. HDLC provides an unlimited address field
and an extended frame number sequencing. HDLC does not support loop configuration.
SIU Details
The SIU is composed of two functional blocks with each having several sub blocks. The two blocks
are called the bit processor (BIP) and the byte processor (BYP).
Copyright
2003
innov
ASIC
The End of Obsolescence
ENG210010112-00
www.innovasic.com
Customer Support:
Page 36 of 49
1-888-824-4184
AM
Frame Format
0
0
0
Fl
Ad
Co
Inf
FCS
Fl
0
0
1
Fl
Ad
Co
Inf
FCS
Fl
0
1
1
Fl
Ad
Inf
FCS
Fl
0
1
0
Fl
Inf
FCS
Fl
1
0
0
Fl
Ad
Co
Inf
Fl
1
0
1
Fl
Ad
Co
Inf
Fl
1
1
1
Fl
Ad
Inf
Fl
1
1
0
Fl
Inf
Fl
相關(guān)PDF資料
PDF描述
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