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    SM8954BW40PP 参数 Datasheet PDF下载

    SM8954BW40PP图片预览
    型号： SM8954BW40PP
    PDF下载： 下载PDF文件 查看货源
    内容描述： SM8954B\n8位微控制器\n16KB闪存\n和1KB RAM的嵌入式 [SM8954B 8-Bit Micro-controller 16KB Flash & 1KB RAM embedded]
    分类和应用： 闪存微控制器
    文件页数/大小： 49 页 / 1595 K
    品牌： SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
     浏览型号SM8954BW40PP的Datasheet PDF文件第2页浏览型号SM8954BW40PP的Datasheet PDF文件第3页浏览型号SM8954BW40PP的Datasheet PDF文件第4页浏览型号SM8954BW40PP的Datasheet PDF文件第5页浏览型号SM8954BW40PP的Datasheet PDF文件第6页浏览型号SM8954BW40PP的Datasheet PDF文件第7页浏览型号SM8954BW40PP的Datasheet PDF文件第8页浏览型号SM8954BW40PP的Datasheet PDF文件第9页  
    FOSVOS TEL: 021-58998693
    SM8954B
    8-Bit Micro-controller
    16KB Flash
    & 1KB RAM embedded
    Product List ...................................................................................................................................................................3
    Description ....................................................................................................................................................................3
    Ordering Information .....................................................................................................................................................3
    Features ........................................................................................................................................................................3
    Pin Configuration ..........................................................................................................................................................4
    Block Diagram...............................................................................................................................................................7
    Special Function Register (SFR) ..................................................................................................................................9
    Function Description ...................................................................................................................................................12
    1.
    General Features ...........................................................................................................................................12
    1.1
    Embedded Flash ...................................................................................................................................12
    1.2
    IO Pads .................................................................................................................................................12
    1.3
    System Control Register (SCONF) .......................................................................................................12
    2.
    Instruction Set ................................................................................................................................................13
    3.
    Memory Structure ..........................................................................................................................................17
    3.1
    Program Memory ..................................................................................................................................17
    3.2
    Data Memory .........................................................................................................................................18
    3.3
    Data memory - lower 128 byte (00h to 7Fh) .........................................................................................18
    3.4
    Data memory - higher 128 byte (80h to FFh)........................................................................................18
    3.5
    Data memory - Expanded 768 bytes ($0000 to $02FF) .......................................................................18
    4.
    CPU Engine ...................................................................................................................................................22
    4.1
    Accumulator ..........................................................................................................................................22
    4.2
    B Register .............................................................................................................................................22
    4.3
    Program Status Word ............................................................................................................................23
    4.4
    Stack Pointer .........................................................................................................................................23
    4.5
    Data Pointer ..........................................................................................................................................23
    5.
    GPIO ..............................................................................................................................................................24
    6.
    Timer 0 and Timer 1 .......................................................................................................................................25
    6.1
    Timer/counter mode control register (TMOD) .......................................................................................25
    6.2
    Timer/counter control register (TCON) .................................................................................................26
    6.3
    Mode 0 (13-bit Counter/Timer) ..............................................................................................................26
    6.4
    Mode 1 (16-bit Counter/Timer) ..............................................................................................................27
    6.5
    Mode 2 (8-bit auto-reload Counter/Timer) ............................................................................................27
    6.6
    Mode 3 (Timer 0 acts as two independent 8 bit Timers / Counters) .....................................................27
    7.
    Timer 2 ...........................................................................................................................................................29
    7.1
    Capture mode .......................................................................................................................................30
    7.2
    Auto-reload (Up or Down Counter) .......................................................................................................31
    7.3
    Programmable clock out .......................................................................................................................32
    8.
    Serial interface – UART .................................................................................................................................34
    8.1
    Serial interface ......................................................................................................................................34
    8.1.1
    Mode 0..........................................................................................................................................35
    8.1.2
    Mode 1..........................................................................................................................................35
    8.1.3
    Mode 2..........................................................................................................................................36
    8.1.4
    Mode 3..........................................................................................................................................36
    8.2
    Multiprocessor Communication of Serial Interface ...............................................................................36
    8.3
    Baud Rate Generator ............................................................................................................................37
    8.3.1
    Serial interface Mode 0 ................................................................................................................37
    8.3.2
    Serial interface Mode 2 ................................................................................................................37
    8.3.3
    Serial interface Mode 1 and 3 ......................................................................................................37
    9.
    Interrupt..........................................................................................................................................................38
    10.
    Watch Dog Timer ...........................................................................................................................................40
    11.
    Power Management Unit ...............................................................................................................................42
    11.1
    Idle mode ..............................................................................................................................................42
    11.2
    Power Down mode ................................................................................................................................42
    12.
    Pulse Width Modulation (PWM) .....................................................................................................................44
    13.
    Two-Wire Series Interface (TWSI) .................................................................................................................46
    Operating Conditions ..................................................................................................................................................49
    Specifications subject to change without notice contact your sales representatives for the most recent information.
    ISSFD-M083
    Ver A SM8954B 3/7/2014
    -1-

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