AM186ER-25KCW AMD [Advanced Micro Devices], AM186ER-25KCW Datasheet - Page 107

• Manufacturer Part Number: AM186ER-25KCW
• Description: High-Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers with RAM
• Manufacturer: AMD [Advanced Micro Devices]

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