參數(shù)資料
型號: DS21Q42TN
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PQFP128
封裝: TQFP-128
文件頁數(shù): 76/119頁
文件大?。?/td> 1309K
代理商: DS21Q42TN
DS21Q42
6 of 119
14. HDLC CONTROLLER................................................................................................................... 59
14.1. HDLC FOR DS0S ................................................................................................................... 59
15. FDL/FS EXTRACTION AND INSERTION.................................................................................. 60
15.1. HDLC AND BOC CONTROLLER FOR THE FDL .............................................................. 60
15.1.1.
General Overvie ............................................................................................................ .60
15.1.2.
Status Register for the HDLC ........................................................................................ 61
15.1.3.
HDLC/BOC Register Description ................................................................................. 63
15.2. LEGACY FDL SUPPORT ...................................................................................................... 71
15.2.1.
Ov_2.1.71......................................................................................................................71
15.2.2.
Receive Section............................................................................................................. 71
15.2.3.
Transmit Section ........................................................................................................... 72
15.2.4.
D4/SLC–96 OPERATION ............................................................................................ 73
16. PROGRAMMABLE IN–BAND CODE GENERATION AND DETECTION.......................... 73
17. TRANSMIT TRANSPARENCY .................................................................................................... 76
18. INTERLEAVED PCM BUS OPERATION ................................................................................... 76
19. JTAG-BOUNDARY SCAN ARCHITECTURE AND TEST ACCESS PORT .......................... 79
19.1. DESCRIPTION ....................................................................................................................... 79
19.2. TAP CONTROLLER STATE MACHINE.............................................................................. 80
19.3. INSTRUCTION REGISTER AND INSTRUCTIONS ........................................................... 82
19.4. TEST REGISTERS .................................................................................................................84
20. TIMING DIAGRAMS ...................................................................................................................... 89
21. OPERATING PARAMETERS .................................................................................................... 104
22. 128-PIN TQFP PACKAGE SPECIFICATIONS ........................................................................ 119
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