AM186ES Advanced Micro Devices, AM186ES Datasheet - Page 9

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AM186ES

Manufacturer Part Number
AM186ES
Description
microcontrollers provide a low-cost/ high-performance solution for embedded system designers who wish to use the x86 architecture.
Manufacturer
Advanced Micro Devices
Datasheets

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LIST OF FIGURES
Figure 1-1
Figure 1-2
Figure 1-3
Figure 2-1
Figure 2-2
Figure 2-3
Figure 2-4
Figure 2-5
Figure 3-1
Figure 3-2
Figure 3-3
Figure 3-4
Figure 3-5
Figure 3-6
Figure 4-1
Figure 4-2
Figure 4-3
Figure 4-4
Figure 4-5
Figure 5-1
Figure 5-2
Figure 5-3
Figure 5-4
Figure 5-5
Figure 6-1
Figure 6-2
Figure 6-3
Figure 6-4
Figure 7-1
Figure 7-2
Figure 7-3
Figure 7-4
Figure 7-5
Figure 7-6
Figure 7-7
Figure 7-8
Figure 7-9
Figure 7-10
Figure 7-11
Figure 7-12
Figure 7-13
Figure 7-14
Figure 7-15
Figure 7-16
Figure 7-17
Figure 7-18
Figure 7-19
Figure 7-20
Figure 7-21
Figure 7-22
Figure 7-23
Figure 7-24
Figure 7-25
Am186ES Microcontroller Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Am188ES Microcontroller Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Basic Functional System Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Register Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Processor Status Flags Register (F) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Physical Address Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Memory and I/O Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Supported Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Am186ES Microcontroller Address Bus—Normal Read and
Write Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
Am186ES Microcontroller—Read and Write with Address Bus
Disable In Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
Am188ES Microcontroller Address Bus—Normal Read
and Write Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Bus Disable In Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22
Oscillator Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Clock Organization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27
Peripheral Control Block Relocation Register . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Reset Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Processor Release Level Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Auxiliary Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
System Configuration Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Upper Memory Chip Select Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Low Memory Chip Select Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Midrange Memory Chip Select Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
PCS and MCS Auxiliary Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Peripheral Chip Select Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Memory Partition Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Clock Prescaler Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Enable RCU Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Watchdog Timer Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
External Interrupt Acknowledge Bus Cycles . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Fully Nested (Direct) Mode Interrupt Controller Connections . . . . . . . . . . . . . 7-10
Cascade Mode Interrupt Controller Connections . . . . . . . . . . . . . . . . . . . . . . . 7-11
INT0 and INT1 Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
INT2 and INT3 Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15
INT4 Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
Timer/DMA Interrupt Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17
Serial Port 0/1 Interrupt Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18
Interrupt Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-19
Interrupt Request Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20
Interrupt In-Service Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-22
Priority Mask Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-23
Interrupt Mask Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-24
Poll Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-25
Poll Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-26
Example EOI Assembly Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-27
End-of-Interrupt Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-27
Timer and DMA Interrupt Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-29
Interrupt Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-30
Interrupt Request Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-31
Interrupt In-Service Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-32
Priority Mask Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-33
Interrupt Mask Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-34
Specific End-of-Interrupt Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-35
Interrupt Vector Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-36
Am188ES Microcontroller—Read and Write with Address
Table of Contents
ix

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