Z86C72 Datasheet, PDF (13/71 Pages) Zilog, Inc. – IR MICROCONTROLLER

Zilog
AC CHARACTERISTICS
External I/O or Memory Read and Write Timing Diagram
R//W
Port 0, /DM
Port 1
/AS
/DS
(Read)
12
16
18
3
A7 - A0
1
2
4
5
17
Port 1
/DS
(Write)
A7 - A0
14
Z86C72/C92/L72/L92
IR Microcontroller
1
13
19
20
D7 - D0 IN
9
8
11
6
10
D7 - D0 OUT
15
7
Figure 7. External I/O or Memory Read/Write Timing
DS97LVO0900
PRELIMINARY
6-13