AM186EM-20KC/W AMD [Advanced Micro Devices], AM186EM-20KC/W Datasheet - Page 80

• Manufacturer Part Number: AM186EM-20KC/W
• Description: High Performance, 80C186-/80C188-Compatible and 80L186-/80L188-Compatible, 16-Bit Embedded Microcontrollers
• Manufacturer: AMD [Advanced Micro Devices]

Interrupt Acknowledge Cycle Waveforms
80
CLKOUTA
A19–A0
S6
AD15–AD0*,
AD7–AD0**
AO15–AO8**
ALE
BHE*
INTA1–INTA0
DEN
DT/R
S2–S0
Notes:
*
**
a The status bits become inactive in the state preceding t
b The data hold time lasts only until the interrupt acknowledge signal deasserts, even if the interrupt acknowledge
c This parameter applies for an interrupt acknowledge cycle that follows a write cycle.
d If followed by a write cycle, this change occurs in the state preceding that write cycle.
Am186EM microcontroller only
Am188EM microcontroller only
transition occurs prior to t
68
9
22
Am186/188EM and Am186/188EMLV Microcontrollers
CLDX
S6
20
(min).
10
3
19
(c)
11
P R E L I M I N A R Y
15
12
23
t
Address
1
Status
4
.
7
t
2
Address
22
BHE
t
1
3
4
S6
(a)
t
W
Ptr
31
21
2
t
(b)
4
8
22
(d)