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参数资料
| 型号： | PEF20324 |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | ICs for Communications |
| 中文描述： | 通信集成电路 |
| 文件页数： | 9/63页 |
| 文件大小： | 705K |
| 代理商： | PEF20324 |
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PEB 20324
PEF 20324
Introduction
Hardware Reference Manual
9
04.99
Bit Processor Functions
(adjustable for each channel)
– HDLC Protocol
– Automatic flag detection
– Shared opening and closing flag
– Detection of interframe-time-fill change, generation of
interframe-time-fill ‘1’s or flags
– Zero bit insertion
– Flag stuffing and flag adjustment for rate adaption
– CRC generation and checking (16 or 32 bits)
– Transparent CRC option per channel and/or per message
– Error detection (abort, long frame, CRC error, 2 categories
of short frames, non-octet frame content)
– ABORT/IDLE flag generation
– V.110/X.30 Protocol
– Automatic synchronization in receive direction, automatic generation of
the synchronization pattern in transmit direction
– E/S/X bits freely programmable in transmit direction, may be changed
during transmission; changes monitored and reported in receive direction
– Generation/detection of loss of synchronism
– Bit framing with network data rates from 600 bit/s up to 38.4 Kbit/s
– Transparent Mode A
– Slot synchronous transparent transmission/reception without frame structure
– Flag generation, flag stuffing, flag extraction, flag generation
in the abort case with programmable flag
– Synchronized data transfer for fractional T1/PRI channels
– Transparent Mode B
– Transparent transmission/reception in frames delimited by 00
H
flags
– Shared opening and closing flag
– Flag stuffing, flag detection, flag generation in the abort case
– Error detection (non octet frame content, short frame, long frame)
– Transparent Mode R
– Transparent transmission/reception with GSM 08.60 frame structure
– Automatic 0000
H
flag generation/detection
– Support of 40, 39
1
/
2
, 40
1
/
2
octet frames
– Error detection (non octet frame contents, short frame, long frame)
– Protocol Independent
– Channel inversion (data, flags, IDLE code)
– Format conventions as in CCITT Q.921 § 2.8
– Data over- and underflow detected
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