參數(shù)資料
    型號: PSD835G1V-B-20B81I
    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(chǔ)系統(tǒng)
    文件頁數(shù): 71/110頁
    文件大?。?/td> 570K
    代理商: PSD835G1V-B-20B81I
    PSD8XX Family
    PSD835G2
    70
    Port E Pin
    PE0
    PE1
    PE2
    PE3
    PE4
    PE5
    JTAG Signals
    TMS
    TCK
    TDI
    TDO
    TSTAT
    TERR
    Description
    Mode Select
    Clock
    Serial Data In
    Serial Data Out
    Status
    Error Flag
    Table 30. JTAG Port Signals
    9.6 Programming In-Circuit using the JTAG-ISP Interface
    The JTAG-ISP interface on the PSD835G2 can be enabled on Port E (see Table 30). All
    memory (Flash and Flash Boot Block), PLD logic, and PSD configuration bits may be
    programmed through the JTAG-ISC interface. A blank part can be mounted on a printed
    circuit board and programmed using JTAG-ISP.
    The standard JTAG signals (IEEE 1149.1) are TMS, TCK, TDI, and TDO. Two additional
    signals, TSTAT and TERR, are optional JTAG extensions used to speed up program and
    erase operations.
    *
    SR_cod and Periph Mode bits in the VM Register are always cleared to zero on power on or warm reset.
    **
    9.5.3.4 Reset of Flash Erase and Programming Cycles
    An external reset on the RESET pin will also reset the internal Flash memory state
    machine. When the Flash is in programming or erase mode, the RESET pin will terminate
    the programming or erase operation and return the Flash back to read mode in tNLNH-A
    (minimum 25 μs) time.
    Port Configuration
    MCU I/O
    PLD Output
    Power On Reset
    Input Mode
    Valid after internal
    PSD configuration
    bits are loaded
    Tri-stated
    Tri-stated
    Tri-stated
    Warm Reset
    Input Mode
    Valid
    Power Down Mode
    Unchanged
    Depend on inputs to
    PLD (address are
    blocked in PD mode)
    Not defined
    Tri-stated
    Tri-stated
    Address Out
    Data Port
    Peripheral I/O
    Tri-stated
    Tri-stated
    Tri-stated
    Table 29. Status During Power On Reset, Warm Reset and Power Down Mode
    Register
    Power On Reset
    Cleared to
    0
    Cleared to
    0
    by
    internal power on
    reset
    Initialized based on
    the selection in
    PSDsoft
    Configuration Menu.
    Cleared to
    0
    Warm Reset
    Unchanged
    Depend on .re and
    .pr equations
    Power Down Mode
    Unchanged
    Depend on .re and
    .pr equations
    PMMR0, 2
    Micro
    Cells Flip
    Flop status
    VM Register*
    Initialized based on
    the selection in
    PSDsoft
    Configuration Menu.
    Cleared to
    0
    Unchanged
    All other registers
    Unchanged
    By default, on a blank PSD (as shipped from factory or after erasure), four pins on Port E
    are enabled for the basic JTAG signals TMS, TCK, TDI, and TDO.
    See ST Application Note AN1153 for more details on JTAG In-System-Programming.
    The
    PSD835G2
    Functional
    Blocks
    (cont.)
    相關(guān)PDF資料
    PDF描述
    PSD835G1V-B-20J Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835G1V-B-20JI Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835G1V-B-20M Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835G1V-B-20MI Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835G1V-B-20U Configurable Memory System on a Chip for 8-Bit Microcontrollers
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