Z86L78 Datasheet, PDF (8/59 Pages) Zilog, Inc. – IR/Low-Voltage Microcontroller

Z86L78
IR/Low-Voltage Microcontroller
AC CHARACTERISTICS
External I/O or Memory Read and Write Timing Diagram
R//W
Port 0, /DM
Port 1
/AS
/DS
(Read)
Port 1
/DS
(Write)
13
12
19
16
18
3
A7 - A0
1
2
4
5
17
A7 - A0
14
20
D7 - D0 IN
9
8
11
6
10
D7 - D0 OUT
15
7
Figure 5. External I/O or Memory Read/Write Timing
Zilog
2-8
DS97LVO0701