參數(shù)資料
型號： PT7A6632J
廠商： Pericom Semiconductor Corp.
英文描述： PT7A6632 32-Channel HDLC Controller
中文描述： PT7A6632 32通道HDLC控制器
文件頁數(shù)： 3/61頁
文件大小： 379K
代理商： PT7A6632J
Data Sheet
PT7A6632 32-Channel HDLC Controller
PT019(05/02)
Ver:2
3
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External Memory Organization and Definition ......................................................................................... 20
General Structure ............................................................................................................................. 20
Activation Memory.......................................................................................................................... 21
Channel Activation Byte ........................................................................................................ 21
Channel Buffer Pointers ......................................................................................................... 21
Data Processing Memory................................................................................................................. 24
General................................................................................................................................... 24
Transmit Data Buffer.............................................................................................................. 24
Transmit Command Buffer..................................................................................................... 26
Minimum Number of Data Bytes in a Tx Buffer.................................................................... 30
Receive Data Buffer............................................................................................................... 31
Receive Command Buffer...................................................................................................... 33
Minimum Buffer Size............................................................................................................. 37
Device Operation ...................................................................................................................................... 38
Device Initialization ......................................................................................................................... 38
Channel Initialization ....................................................................................................................... 38
Data Transmission and Reception Operation ................................................................................... 39
Channel Period ................................................................................................................................ 41
Memory Address ............................................................................................................................. 42
Memory Address Extension ................................................................................................... 42
Activation Memory Address................................................................................................... 42
Memory Address Restrictions................................................................................................. 43
Interrupt Indication .......................................................................................................................... 43
Detailed Specifications.............................................................................................................................. 48
Absolute Maximum Ratings ............................................................................................................ 48
Recommended Operating Conditions .............................................................................................. 48
DC Electrical, Power Supply and Capacitance Characteristics........................................................ 49
AC Characteristics ........................................................................................................................... 50
Serial Interface........................................................................................................................ 50
External Memory Interface..................................................................................................... 54
Channel Activation/Deactivation............................................................................................ 56
Input Characteristics ............................................................................................................... 57
Output Characteristics ............................................................................................................ 58
Mechanical Specifications ............................................................................................................... 59
Ordering Information ................................................................................................................................ 60
Notes......................................................................................................................................................... 61
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