Z80181 Datasheet, PDF (56/74 Pages) Zilog, Inc. – SMART ACCESS CONTROLLER (SAC™)

Zilog
AC CHARACTERISTICS (Continued)
Z180 MPU Timing
T2
Tw
T3
Ø
E
(Example:
I/O Read -
Op-code
Fetch)
E
(I/O Write)
49
48
50
52
53
T1
49
51
53
Z80181
SMART ACCESS CONTROLLER SAC^™
T2
48
52
Figure 65. E Clock Timing
(Minimum timing example of PWEL and PWEH)
Ø
A18/TOUT
Timer Data
Reg = 0000H
54
Figure 66. Timer Output Timing
2-56
DS971800500