AM186 Datasheet, PDF (101/112 Pages) Advanced Micro Devices – High-Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers with RAM

Bus Hold Waveforms—Entering
Case 1
t_i
t_i
t_i
Case 2
t₄
t_i
t_i
CLKOUTA
58
HOLD
HLDA
AD15–AD0, DEN
A19–A0, S6, RD,
WR, BHE,
DT/R, S2-S0
WHB, WLB
Bus Hold Waveforms—Leaving
Case 1
t_i
Case 2
t_i
CLKOUTA
HOLD
D ^HLDA
AD15–AD0, DEN
A19–A0, S6, RD,
WR, BHE,
DT/R, S2–S0
WHB, WLB
R⁵⁸
62
15
63
T _ti
t_i
t₁
A ^{F ti}
t₄
t₁
62
5
64
Am186^TMER and Am188^TMER Microcontrollers Data Sheet
101