P R E L I M I N A R Y
LIST OF FIGURES
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Am186ES Microcontroller Example System Design .............................................. 10
80C186 Microcontroller Example System Design ................................................. 11
Two-Component Address ...................................................................................... 38
Am186ES Microcontroller Address Bus — Normal Operation................................ 39
Am186ES Microcontroller—Address Bus Disable In Effect ................................... 40
Am188ES Microcontroller Address Bus — Normal Operation ............................... 40
Am188ES Microcontroller— Address Bus Disable In Effect................................... 41
Am186ES and Am188ES Microcontrollers Oscillator Configurations .................... 44
Clock Organization ................................................................................................ 45
Figure 10 DMA Unit Block Diagram ....................................................................................... 50
Figure 11 Typical I Versus Frequency for the Am186ESLV and Am188ESLV ................... 54
cc
Figure 12 Typical I Versus Frequency for the Am186ES and Am188ES............................. 54
cc
Figure 13 Thermal Resistance(°C/Watt) ................................................................................ 55
Figure 14 Thermal Characteristics Equations ........................................................................ 55
Figure 15 Typical Ambient Temperatures for PQFP with a 2-Layer Board ............................ 57
Figure 16 Typical Ambient Temperatures for TQFP with a 2-Layer Board ............................ 58
Figure 17 Typical Ambient Temperatures for PQFP with a 4-Layer to 6-Layer Board .......... 59
Figure 18 Typical Ambient Temperatures for TQFP with a 4-Layer to 6-Layer Board ........... 60
LIST OF TABLES
Table 1
Table 2
Table 3
Table 4
Table 5
Table 6
Table 7
Table 8
Table 9
Table 10
Table 11
Table 12
Table 13
Table 14
Table 15
Table 16
Data Byte Encoding ............................................................................................... 28
Numeric PIO Pin Designations .............................................................................. 34
Alphabetic PIO Pin Designations ........................................................................... 34
Bus Cycle Encoding ............................................................................................... 35
Segment Register Selection Rules ........................................................................ 38
Programming Am186ES Microcontroller Bus Width .............................................. 42
Peripheral Control Block Register Map .................................................................. 43
Am186ES Microcontroller Maximum DMA Transfer Rates .................................... 49
Typical Power Consumption for the Am186ESLV and Am188ESLV...................... 54
Thermal Characteristics (°C/Watt) ......................................................................... 55
Typical Power Consumption Calculation ............................................................... 56
Junction Temperature Calculation ......................................................................... 56
Typical Ambient Temperatures for PQFP with a 2-Layer Board ............................ 57
Typical Ambient Temperatures for TQFP with a 2-Layer Board ............................ 58
Typical Ambient Temperatures for PQFP with a 4-Layer to 6-Layer Board .......... 59
Typical Ambient Temperatures for TQFP with a 4-Layer to 6-Layer Board ........... 60
Am186/188ES and Am186/188ESLV Microcontrollers
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