AM186EM 데이터 시트보기 (PDF) - Advanced Micro Devices
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AM186EM
Advanced Micro Devices
AM186EM Datasheet PDF : 98 Pages
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PRELIMINARY
TMRIN1/PIO0 ................................................................................................................ 32
TMROUT0/PIO10 .......................................................................................................... 32
TMROUT1/PIO1 ............................................................................................................ 32
TXD/PIO27 ..................................................................................................................... 32
UCS/ONCE1 .................................................................................................................. 32
UZI/PIO26 ...................................................................................................................... 33
VCC ................................................................................................................................. 33
WHB (Am186EM Microcontroller Only) ......................................................................... 33
WLB (Am186EM Microcontroller Only) ........................................................................... 33
WB (Am188EM Microcontroller Only) ............................................................................ 33
WR ................................................................................................................................. 33
X1 ................................................................................................................................... 33
X2 ................................................................................................................................... 33
Functional Description ............................................................................................................... 34
Bus Operation ............................................................................................................................ 35
Bus Interface Unit ....................................................................................................................... 37
Peripheral Control Block (PCB) ................................................................................................. 38
Clock and Power Management .................................................................................................. 41
Chip-Select Unit.......................................................................................................................... 43
Refresh Control Unit .................................................................................................................. 45
Interrupt Control Unit ................................................................................................................. 45
Timer Control Unit ...................................................................................................................... 46
Direct Memory Access (DMA) ................................................................................................... 46
Asynchronous Serial Port .......................................................................................................... 48
Synchronous Serial Interface ..................................................................................................... 48
Programmable I/O (PIO) Pins .................................................................................................... 50
Absolute Maximum Ratings ....................................................................................................... 51
Operating Ranges ...................................................................................................................... 51
DC Characteristics Over Commercial Operating Range ........................................................... 51
Commercial Switching Characteristics and Waveforms ............................................................ 60
6
Am186/188EM and Am186/188EMLV Microcontrollers
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