AM186 Datasheet, PDF (107/112 Pages) Advanced Micro Devices – High-Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers with RAM

INDEX
A
A17/PIO7, 30
A18/PIO8, 30
A19/PIO9, 30
absolute maximum ratings, 60
active mode
clock waveforms, 95
AD15–AD8, 30
AD7–AD0, 30
address bus
Am186ER
disable in effect, 42
normal operation, 42
Am188ER
disable in effect, 43
ALE, 31
alphabetic PIO pin assignments, 36
ambient temperatures
ambient, 62
PQFP with four-to-six layer board, 65
PQFP with two-layer board, 63
TQFP with four-to-six layer boards, 66
TQFP with two-layer board, 64
AO15–AO8, 30
application considerations, 14
ARDY, 31
asynchronous ready waveforms, 97
asynchronous serial port, 56
B
BHE/ADEN, 31
block diagram
Am186ER, 2
Am188ER, 3
bus cycle encoding, 37
bus hold waveforms
entering, 101
leaving, 101
bus interface unit, 41
bus operation, 41
byte write enables, 41
C
chip-select
low memory, 51
overlap, 51
timing, 49
unit, 49
upper memory, 51
chip-selects
midrange memory, 51
peripheral, 52
CLKOUTA, 31
CLKOUTB, 31
clock (25 MHz), 92
clock (33 MHz), 93
clock (40 and 50 MHz), 94
clock and power management, 44
clock frequencies
minimum and maximum, 44
clock generation, 14
clock organization, 48
clock source
crystal driven, 45
clock waveforms
active mode, 95
power-save mode, 95
clocking modes, 39
commercial operating ranges, 60
comparison
Am186ER and 80C186 microcontrollers, 15
crystal
selecting, 45
crystal-driven clock source, 45
customer support, 13
documentation and literature, 13
hotline and web, 13
literature ordering, 13
third-party development support products, 13
web home page, 13
Am186™CC Communications Controller Data Sheet
Index-1