Z89175 Datasheet, PDF (16/68 Pages) Zilog, Inc. – Voice Processing Controllers

Z89175/Z89176
Voice Processing Controllers
AC CHARACTERISTICS
External I/O or Memory Read and Write Timing Diagram
R//W
Port 0, /DM
Port 1
/AS
/DS
(Read)
Port1
/DS
(Write)
13
12
16
19
3
A7 - A0
1
2
4
5
17
A7 - A0
14
D7 - D0 IN
9
8
6
18
11
10
D7 - D0 OUT
15
7
Figure 7. External I/O or Memory Read/Write Timing
Zilog
16
PRELIMINARY
DS97TAD0100