PEB20532 データシートの表示（PDF） - Infineon Technologies
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PEB20532 Datasheet PDF : 282 Pages
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PEB 20532
PEF 20532
Introduction
– CRC generation and checking (CRC-CCITT or CRC-32)
– Transparent CRC option per channel and/or per frame
– Programmable Preamble (8 bit) with selectable repetition rate
– Error detection (abort, long frame, CRC error, short frames)
• Bit Synchronous PPP Mode
– Bit oriented transmission of HDLC frame (flag, data, CRC, flag)
– Zero bit insertion/deletion
– 15 consecutive ’1’ bits abort sequence
• Octet Synchronous PPP Mode
– Octet oriented transmission of HDLC frame (flag, data, CRC, flag)
– Programmable character map of 32 hard-wired characters (00H-1FH)
– Four programmable characters for additional mapping
– Insertion/deletion of control-escape character (7DH) for mapped characters
• Asynchronous PPP Mode
– Character oriented transmission of HDLC frame (flag, data, CRC, flag)
– Start/stop bit framing of single character
– Programmable character map of 32 hard-wired characters (00H-1FH)
– Four programmable characters for additional mapping
– Insertion/deletion of control-escape character (7DH) for mapped characters
• Asynchronous (ASYNC) Protocol Mode
– Selectable character length (5 to 8 bits)
– Even, odd, forced or no parity generation/checking
– 1 or 2 stop bits
– Break detection/generation
– In-band flow control by XON/XOFF
– Immediate character insertion
– Termination character detection for end of block identification
– Time out detection
– Error detection (parity error, framing error)
• BISYNC Protocol Mode
– Programmable 6/8 bit SYN pattern (MONOSYNC)
– Programmable 12/16 bit SYN pattern (BISYNC)
– Selectable character length (5 to 8 bits)
– Even, odd, forced or no parity generation/checking
– Generation of interframe-time fill ’1’s or SYN characters
– CRC generation (CRC-16 or CRC-CCITT)
– Transparent CRC option per channel and/or per frame
– Programmable Preamble (8 bit) with selectable repetition rate
– Termination character detection for end of block identification
– Error detection (parity error, framing error)
• Extended Transparent Mode
– Fully bit transparent (no framing, no bit manipulation)
– Octet-aligned transmission and reception
Data Sheet
19
2000-09-14
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