Switching Characteristics over Commercial and Industrial Operating Ranges,
Synchronous Serial Interface (SSI) (40 MHz and 50 MHz) ......................................... 102
Synchronous Serial Interface (SSI) Waveforms .......................................................... 103
TQFP Physical Dimensions ..................................................................................................... 104
PQFP Physical Dimensions ..................................................................................................... 105
Index................................................................................................................................... Index-1
LIST OF FIGURES
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Am186ER 50-MHz Example System Design ......................................................... 15
Typical 80C186 System Design ............................................................................. 15
Two-Component Address Example ....................................................................... 40
Am186™ER Microcontroller Address Bus—Normal Operation ............................. 42
Am186™ER Microcontroller—Address Bus Disable in Effect ............................... 42
Am188™ER Microcontroller Address Bus—Normal Operation ............................. 43
Am188™ER Microcontroller—Address Bus Disable in Effect ............................... 43
Am186™ER and Am188™ER Microcontrollers Oscillator Configurations ............ 45
Peripheral Control Block Register Map .................................................................. 46
Figure 10. Clock Organization ................................................................................................ 48
Figure 11. ARDY and SRDY Synchronization Logic Diagram ................................................ 49
Figure 12. Example Memory Maps ......................................................................................... 50
Figure 13. DMA Unit Block Diagram ....................................................................................... 56
Figure 14. Synchronous Serial Interface Multiple Write .......................................................... 58
Figure 15. Synchronous Serial Interface Multiple Read .......................................................... 58
Figure 16. Thermal Resistance (°C/Watt) ............................................................................... 61
Figure 17. Thermal Characteristics Equations ........................................................................ 61
Figure 18. Typical Ambient Temperatures for PQFP with Two-Layer Board .......................... 63
Figure 19. Typical Ambient Temperatures for TQFP with Two-Layer Board .......................... 64
Figure 20. Typical Ambient Temperatures for PQFP with Four-Layer to Six-Layer Board ..... 65
Figure 21. Typical Ambient Temperatures for TQFP with Four-Layer to Six-Layer Board ..... 66
LIST OF TABLES
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Related AMD Products—E86™ Family Devices ................................................... 12
Data Byte Encoding ............................................................................................... 31
Numeric PIO Pin Assignments .............................................................................. 36
Alphabetic PIO Pin Assignments ........................................................................... 36
Bus Cycle Encoding ............................................................................................... 37
Clocking Modes ..................................................................................................... 39
Segment Register Selection Rules ........................................................................ 40
Maximum and Minimum Clock Frequencies .......................................................... 44
Am186ER Microcontroller Maximum DMA Transfer Rates .................................. 55
Table 10. Thermal Characteristics (°C/Watt) ......................................................................... 61
Table 11. Typical Power Consumption Calculation ............................................................... 62
Table 12. Junction Temperature Calculation ......................................................................... 62
Table 13. Typical Ambient Temperatures for PQFP with Two-Layer Board .......................... 63
Table 14. Typical Ambient Temperatures for TQFP with Two-Layer Board .......................... 64
Table 15. Typical Ambient Temperatures for PQFP with Four-Layer to Six-Layer Board ..... 65
Table 16. Typical Ambient Temperatures for TQFP with Four-Layer to Six-Layer Board ..... 66
Am186TMER and Am188TMER Microcontrollers Data Sheet
9