TMC457数据表( V. 1.16 / 2009 -NOV- 25 )
4
9.2.1
10
11
12
13
细间距BGA封装, 144球( FBGA144 ) TMC457 -BC .............................. 33
微控制器接口( SPI ) ............................................ ................................... 34
特征.................................................................................................................. 35
文学............................................................................................................................. 36
修订历史.................................................................................................................. 36
2.1
科幻居雷什
图1:功能块TMC457的图......................................... ...................................... 5
图2 : TMC457与压电电机接口.......................................... .............................................. 6
图3 :高分辨率微型步进配置.......................................... .............................. 7
图4 :步进电机驱动器配置( SPI ) ........................................ ........................................ 7
图5: ABN信号纲要的增量式编码器....................................... .......................... 8
图6 :增量编码器信号纲要( AB W / O型清零脉冲N) ................................. ............. 28
图7 :封装外形图FBGA144 - ( JEDEC MO- 192 VAR DAD - 1 ) ................................ 33
图8:时序图串行微控制器接口....................................... ................ 34
图9 - 通用IO时序参数........................................... .................................................. 35
2.2
表
TM
表1 : PWM频率计算ChopSync .......................................... ................................ 12
表2 : TMC457 -BC引脚输出................................................................................................................ 32
表3: FBGA144尺寸(注:中心之间的BSC =基础间距) ............................ 33
表4 :微控制器的串行外设接口( SPI )的时序特性..................... 34
表5 - 绝对最大额定值............................................ .................................................. ...... 35
表6 - 直流Ccharacteristics工作条件........................................... ................................. 35
表7 - 功耗................................................................................................................... 35
表8 - 通用IO时序参数........................................... .................................................. 35
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