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AM186ES-25KCW Datenblatt(PDF) 3 Page - Advanced Micro Devices |
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AM186ES-25KCW Datenblatt(HTML) 3 Page - Advanced Micro Devices |
3 / 102 page Am186/188ES and Am186/188ESLV Microcontrollers 3 P R E L IMINAR Y Am188ES MICROCONTROLLER BLOCK DIAGRAM Notes: *All PIO signals are shared with other physical pins. See the pin descriptions beginning on page 27 and Table 2 on page 34 for information on shared functions. ** PWD, INT5, INT6, RTS1/RTR1, and CTS1/ENRX1 are multiplexed with INT2/INTA0, DRQ0, DRQ1, PCS3, and PCS2 respec- tively. See the pin descriptions beginning on page 27. Interrupt Control Unit Timer Control Unit DMA Unit Bus Interface Unit Execution Unit Chip-Select Unit Clock and Power Management Unit Control Registers 16-Bit Count Registers Max Count A Registers 16-Bit Count Registers 20-Bit Destination Pointers 20-Bit Source Pointers Control Registers Control Registers Control Registers 01 2 0 1 Max Count B Registers Refresh Control Unit Control Registers Control Registers Control Registers CLKOUTB CLKOUTA INT6–INT4** INT3/INTA1/IRQ INT2/INTA0** INT1/SELECT INT0 TMROUT0 TMROUT1 DRQ0** DRQ1** TMRIN0 TMRIN1 Asynchronous Serial Port 0 TXD0 RXD0 NMI A19–A0 AD7–AD0 ALE RFSH2/ADEN WR WB RD LCS/ONCE0 MCS2–MCS0 PCS6/A2 PCS3–PCS0** PCS5/A1 UCS/ONCE1 X2 X1 PSRAM Control Unit MCS3/RFSH PIO Unit PIO31– PIO0* TXD1 RXD1 CTS0/ENRX0 CTS1/ENRX1** RTS0/RTR0 RTS1/RTR1** Watchdog Timer (WDT) Pulse Width Demod- ulator (PWD) PWD** Asynchronous Serial Port 1 S2–S0 VCC GND ARDY SRDY DT/R DEN/DS HOLD HLDA RES S6/LOCK/ UZI CLKDIV2 AO15–AO8 |
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