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    參數(shù)資料
    型號: PSD835G2V-20M
    廠商: 意法半導(dǎo)體
    英文描述: Configurable Memory System on a Chip for 8-Bit Microcontrollers
    中文描述: 在8片位微控制器可配置存儲系統(tǒng)
    文件頁數(shù): 73/110頁
    文件大?。?/td> 570K
    代理商: PSD835G2V-20M
    PSD8XX Family
    PSD835G2
    72
    The
    PSD835G2
    Functional
    Blocks
    (cont.)
    9.6.1 Standard JTAG Signals (cont.)
    The PSD835G2 supports JTAG-ISP commands, but not Boundary Scan. ST's
    PSDsoft software tool and FlashLink JTAG programming cable implement these JTAG-ISC
    commands.
    9.6.2 JTAG Extensions
    TSTAT and TERR are two JTAG extension signals enabled by a JTAG command
    received over the four standard JTAG pins (TMS, TCK, TDI, and TDO). They are used to
    speed programming and erase functions by indicating status on PSD pins instead of
    having to scan the status out serially using the standard JTAG channel. See Application
    Note 54.
    TERR will indicate if an error has occurred when erasing a sector or programming in
    Flash memory. This signal will go low (active) when an error condition occurs, and stay
    low until a special JTAG command is executed or a chip reset pulse is received after an
    ISC-DISABLE
    command.
    TSTAT behaves the same as the Rdy/Bsy signal described in section 9.1.1.2. TSTAT will
    be high when the PSD835G2 device is in read array mode (Flash memory and Boot Block
    contents can be read). TSTAT will be low when Flash memory programming or erase
    cycles are in progress, and also when data is being written to the Flash Boot Block.
    TSTAT and TERR can be configured as open-drain type signals with a JTAG command.
    9.6.3 Security and Flash Memories Protection
    When the security bit is set, the device cannot be read on a device programmer or through
    the JTAG Port. When using the JTAG Port, only a full chip erase command is allowed.
    All other program/erase/verify commands are blocked. Full chip erase returns the part to a
    non-secured blank state. The Security Bit can be set in PSDsoft.
    All Flash Memory and Boot sectors can individually be sector protected against erasures.
    The sector protect bits can be set in PSDsoft.
    相關(guān)PDF資料
    PDF描述
    PSD835G2V-20MI Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835G2V-20U Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835G2V-20UI Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835G2V-70B81 Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835G2V-A-12MI Configurable Memory System on a Chip for 8-Bit Microcontrollers
    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
    PSD835G2V-90U 功能描述:靜態(tài)隨機存取存儲器 3.0V 4M 90ns RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray
    PSD853F2-70J 功能描述:SPLD - 簡單可編程邏輯器件 5.0V 1M 70ns RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池數(shù)量:10 最大工作頻率:66 MHz 延遲時間:25 ns 工作電源電壓:4.75 V to 5.25 V 電源電流:100 uA 最大工作溫度:+ 75 C 最小工作溫度:0 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:DIP-24
    PSD853F2-70M 功能描述:CPLD - 復(fù)雜可編程邏輯器件 5.0V 1M 70ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
    PSD853F2-90J 功能描述:CPLD - 復(fù)雜可編程邏輯器件 5.0V 1M 90ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
    PSD853F2-90JI 功能描述:CPLD - 復(fù)雜可編程邏輯器件 5.0V 1M 90ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100