Z84C90 ZILOG [Zilog, Inc.], Z84C90 Datasheet - Page 29

• Manufacturer Part Number: Z84C90
• Description: KIO Serial/Parallel Counter Timer
• Manufacturer: ZILOG [Zilog, Inc.]

PS011802-0902
D
IORQ
Clock
0
–D
INT
IE1
IE0
M1
7
D
Clock
0
–D
IE1
IE0
RD
M1
7
Figure 14. Interrupt Acknowledge Cycle
Figure 15. Op Code Fetch Cycle
20
T1
16
18
21
16
T2
Two
19
12
7
13
17
36
Two
73
KIO Serial/Parallel Counter Timer
73
T3
71
22
17
14
11
72
T4
Z84C90
24