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データシートサーチシステム |
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TMPR4955F データシート(PDF) 9 Page - Toshiba Semiconductor |
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TMPR4955F データシート(HTML) 9 Page - Toshiba Semiconductor |
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9 / 168 page  TMPR4955A iii 6.2.11 System Interface Command and Data Identifiers ............................................................. 6-26 6.2.11.1 Syntax of commands and data identifiers .................................................................. 6-26 6.2.11.2 Syntax of system interface commands........................................................................ 6-26 6.2.11.3 Read requests ............................................................................................................... 6-27 6.2.11.4 Write requests .............................................................................................................. 6-28 6.2.11.5 Null requests ................................................................................................................ 6-29 6.2.11.6 Syntax of system interface data identifiers................................................................ 6-29 6.2.11.7 Non-coherent data........................................................................................................ 6-29 6.2.11.8 Bit definition of data identifiers.................................................................................. 6-30 6.2.12 System Interface Addresses................................................................................................. 6-31 6.2.12.1 Addressing rules in the 32-bit bus mode .................................................................... 6-31 6.2.13 Mode Register of System Interface (G2Sconfig)................................................................. 6-31 6.2.14 Data Error Detection ........................................................................................................... 6-32 6.2.14.1 Indication of good data by data identifier SysCmd(5) ............................................... 6-32 6.2.14.2 Determination by a check bit ...................................................................................... 6-32 6.2.14.3 Timing at which a bus error exception occurs............................................................ 6-32 6.2.14.4 Precautions ................................................................................................................... 6-32 6.3 System Interface of TX4300 type protocol mode ....................................................................... 6-33 6.3.1 System Interface Description of TX4300 Type Protocol Mode .......................................... 6-33 6.3.2 System Events...................................................................................................................... 6-35 6.3.3 System Event Sequences and the SysAD Bus Protocol..................................................... 6-35 6.3.3.1 Fetch Miss..................................................................................................................... 6-35 6.3.3.2 Load Miss...................................................................................................................... 6-36 6.3.3.3 Store Miss ..................................................................................................................... 6-36 6.3.3.4 Uncached Load or Store............................................................................................... 6-36 6.3.3.5 Cache Instructions .......................................................................................................6-36 6.3.3.6 Byte Ordering (Endian) ............................................................................................... 6-36 6.3.3.7 Physical Addresses .......................................................................................................6-36 6.3.3.8 Interface Buses............................................................................................................. 6-36 6.3.3.9 Address and Data Cycles ............................................................................................. 6-37 6.3.4 System Interface Protocols .................................................................................................. 6-38 6.3.4.1 Master and Slave States.............................................................................................. 6-38 6.3.4.2 Moving from Master to Slave State ............................................................................ 6-38 6.3.4.3 External Arbitration .................................................................................................... 6-39 6.3.4.4 Uncompelled Change to Slave State ........................................................................... 6-39 6.3.4.5 Signal Timing ............................................................................................................... 6-39 6.3.5 Timing Summary ................................................................................................................. 6-40 6.3.6 Arbitration ............................................................................................................................ 6-45 6.3.7 Issuing Commands............................................................................................................... 6-46 6.3.8 Processor Write Request ...................................................................................................... 6-46 6.3.9 Processor Read Request....................................................................................................... 6-48 6.3.10 External Write Request ....................................................................................................... 6-48 6.3.11 External Read Response ...................................................................................................... 6-50 6.3.12 Flow Control ......................................................................................................................... 6-52 6.3.13 Data Rate Control ................................................................................................................ 6-53 6.3.14 Consecutive SysAD Bus Transactions ................................................................................ 6-54 6.3.15 Starvation and Deadlock Avoidance.................................................................................... 6-56 6.3.16 Discarding and Re-Executing Read Command .................................................................. 6-56 6.3.17 Multiple Drivers on the SysAD Bus.................................................................................... 6-57 6.3.18 Signal Codes ......................................................................................................................... 6-58 6.3.19 Physical Addresses ............................................................................................................... 6-60 6.3.20 Mode Register of System Interface (G2SConfig)................................................................ 6-60 6.3.21 Read Time Out Counter (MODE43* = 0)............................................................................ 6-61 Chapter 7. JTAG Interface ....................................................................................................................... 7-1 7.1 What Boundary Scanning Is......................................................................................................... 7-1 7.2 Signal Summary ............................................................................................................................ 7-2 7.3 JTAG Controller and Registers .................................................................................................... 7-3 7.3.1 Instruction Register ............................................................................................................... 7-3 |
同様の部品番号 - TMPR4955F |
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同様の説明 - TMPR4955F |
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