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AM186 数据表(PDF) 28 Page - Advanced Micro Devices |
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AM186 数据表(HTML) 28 Page - Advanced Micro Devices |
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28 / 112 page ![]() 28 Am186TMER and Am188TMER Microcontrollers Data Sheet DRAF T LOGIC SYMBOL—Am186™ER MICROCONTROLLER Notes: * These signals are the normal function of a pin that can be used as a PIO. See the pin descriptions beginning on page 30 and Table 3 on page 36 for information on shared function. ** All PIO signals are shared with other physical pins. X1 X2 CLKOUTA CLKOUTB A19–A0 AD15–AD0 ALE WHB WLB RD WR S2 HOLD HLDA DT/R DEN ARDY SRDY TMRIN0 TMROUT0 SDEN1–SDEN0 SCLK SDATA 20 16 Clocks Address and Address/Data Buses Bus Control Timer Control Synchronous Serial Port Control RES INT4 INT3/INTA1/IRQ INT2/INTA0 INT1/SELECT INT0 NMI PCS6/A2 PCS5/A1 PCS3–PCS0 LCS/ONCE0 MCS2–MCS0 UCS/ONCE1 DRQ1–DRQ0 TXD RXD PIO32–PIO0 4 Reset Control and Interrupt Service Memory and Peripheral Control DMA Control Asynchronous Serial Port Control Programmable I/O Control 2 TMRIN1 TMROUT1 2 MCS3/RFSH S6/CLKSEL1 BHE/ADEN UZI/CLKSEL2 ** * * * * * * * * * * * * * * * * * * * * * * * 32 shared S1/IMDIS S0/SREN 3 |
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