![](http://datasheet.mmic.net.cn/330000/PM7383_datasheet_16444418/PM7383_2.png)
RELEASED
DATASHEET
PM7383 FREEDM-32A256
ISSUE 1
PMC-2010336
FRAME ENGINE AND DATA LINK MANAGER 32A256
PROPRIETARY AND CONFIDENTIAL
i
CONTENTS
1
FEATURES...............................................................................................1
2
APPLICATIONS........................................................................................4
3
REFERENCES .........................................................................................5
4
BLOCK DIAGRAM....................................................................................6
5
DESCRIPTION.........................................................................................7
6
PIN DIAGRAM........................................................................................11
7
PIN DESCRIPTION ................................................................................12
8
FUNCTIONAL DESCRIPTION................................................................44
8.1
HIGH SPEED MULTI-VENDOR INTEGRATION PROTOCOL
(H-MVIP)......................................................................................44
8.2
HIGH-LEVEL DATA LINK CONTROL (HDLC) PROTOCOL.........44
8.3
RECEIVE CHANNEL ASSIGNER................................................45
8.3.1
Line Interface Translator (LIT) .......................................47
8.3.2
Line Interface.................................................................48
8.3.3
Priority Encoder.............................................................48
8.3.4
Channel Assigner ..........................................................49
8.3.5
Loopback Controller.......................................................49
8.4
RECEIVE HDLC PROCESSOR / PARTIAL PACKET BUFFER...49
8.4.1
HDLC Processor............................................................50
8.4.2
Partial Packet Buffer Processor.....................................50
8.5
RECEIVE ANY-PHY INTERFACE................................................52
8.5.1
FIFO Storage and Control..............................................53