AM186 Datasheet, PDF (75/112 Pages) Advanced Micro Devices – High-Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers with RAM

Write Cycle Waveforms
CLKOUTA
A19–A0
S6
AD15–AD0*,
AD7–AD0**
t₁
t₂
t₃
t_W
65
68
S6
14
Address
Address
7
S6
Data
t₄
8
30
AO15–AO8**
ALE
23
9
10
WR
WHB*, WLB
WB
BHE*
67
LCS, UCS
MCS3–MCS0,
D ^{PCS6–PCS5,}
PCS3–PCS0
DEN
DT/R
12
20
87
5
R¹⁶
11
13
T ₂₀
Address
31
32
31
A ^FBHE
34
33
4
17
31
18
35
19
S2–S0
3
UZI
Status
7
4
Notes:
* _{Am186ER microcontroller only}
** _{Am188ER microcontroller only}
Am186^TMER and Am188^TMER Microcontrollers Data Sheet
75