AM186ED datasheet(8/88 Pages) AMD

8 / 88 page

Am186ED/EDLV Microcontrollers

PRELI M INARY

F T

LIST OF FIGURES

Figure 1

Am186ED Microcontroller Example System Design .............................................. 11

Figure 2

80C186 Microcontroller Example System Design ................................................. 12

Figure 3

Two-Component Address ...................................................................................... 33

Figure 4

16-Bit Mode—Normal Read and Write Operation ................................................. 34

Figure 5

16-Bit Mode—Read and Write with Address Bus Disable In Effect ....................... 35

Figure 6

8-Bit Mode—Normal Read and Write Operation ................................................... 35

Figure 7

8-Bit Mode—Read and Write with Address Bus Disable in Effect ......................... 36

Figure 8

Am186ED/EDLV Microcontrollers Oscillator Configurations ................................. 40

Figure 9

Clock Organization ................................................................................................ 41

Figure 10

DMA Unit Block Diagram ....................................................................................... 47

Figure 11

Typical Icc Versus Frequency for Am186EDLV Microcontroller ............................. 50

Figure 12

Typical Icc Versus Frequency for Am186ED Microcontroller ................................. 50

Figure 13

Thermal Resistance(

°C/Watt) ................................................................................ 51

Figure 14

Thermal Characteristics Equations ........................................................................ 51

Figure 15

Typical Ambient Temperatures for PQFP with a 2-Layer Board ............................ 53

Figure 16

Typical Ambient Temperatures for TQFP with a 2-Layer Board ............................ 54

Figure 17

Typical Ambient Temperatures for PQFP with a 4-Layer to 6-Layer Board .......... 55

Figure 18

Typical Ambient Temperatures for TQFP with a 4-Layer to 6-Layer Board ........... 56

LIST OF TABLES

Table 1

Data Byte Encoding ............................................................................................... 22

Table 2

Numeric PIO Pin Designations .............................................................................. 29

Table 3

Alphabetic PIO Pin Designations ........................................................................... 29

Table 4

Bus Cycle Encoding ............................................................................................... 30

Table 5

Segment Register Selection Rules ........................................................................ 33

Table 6

DRAM Pin Interface ............................................................................................... 37

Table 7

Programming the Bus Width of Am186ED/EDLV Microcontrollers ........................ 37

Table 8

Peripheral Control Block Register Map .................................................................. 39

Table 9

Am186ED/EDLV Microcontrollers Maximum DMA Transfer Rates ....................... 46

Table 10

Typical Power Consumption Calculation for the Am186EDLV Microcontroller ...... 50

Table 11

Thermal Characteristics (

°C/Watt) ......................................................................... 51

Table 12

Typical Power Consumption Calculation ............................................................... 52

Table 13

Junction Temperature Calculation ......................................................................... 52

Table 14

Typical Ambient Temperatures (°C) for PQFP with a 2-Layer Board .................... 53

Table 15

Typical Ambient Temperatures (°C) for TQFP with a 2-Layer Board .................... 54

Table 16

Typical Ambient Temperatures (°C) for PQFP with a 4-Layer to 6-Layer Board ... 55

Table 17

Typical Ambient Temperatures (°C) for TQFP with a 4-Layer to 6-Layer Board ... 56

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